CN104954730B - A kind of method and device playing video - Google Patents

A kind of method and device playing video Download PDF

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CN104954730B
CN104954730B CN201510288486.8A CN201510288486A CN104954730B CN 104954730 B CN104954730 B CN 104954730B CN 201510288486 A CN201510288486 A CN 201510288486A CN 104954730 B CN104954730 B CN 104954730B
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video
coefficient
sub
default
selects
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CN104954730A (en
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杨海曜
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The invention discloses a kind of method and devices for playing video, applied to video conferencing system, video conferencing system includes at least two for acquiring the video acquisition system of video, for each of at least two video acquisition systems video acquisition system, the video selection coefficient of the video acquisition system is calculated, video selection coefficient is used to characterize the importance of corresponding video acquisition system video collected；Maximum video selection coefficient is determined from the video selection coefficient being calculated；The corresponding video acquisition system video collected of maximum video selection coefficient is played out, in this scenario, it is that the video for playing which video acquisition system acquisition on earth is determined by the video selection coefficient of video acquisition system, it does not need to switch by special " instructor in broadcasting personnel ", this improves the accuracy of the video of broadcasting.

Description

A kind of method and device playing video
Technical field
The present invention relates to field of video broadcasting technology, in particular to a kind of method and device for playing video.
Background technique
In television program designing, for the program using fixed venue, fixed light class, such as TV column, scene The programs such as play, are generally shot with multiple cameras.Video after being shot with multiple cameras has multi-angle, the other spy of more scapes Point, therefore, performance is more comprehensively.
Since the video after multiple cameras shooting has the above advantages, it is also used in video conferencing system at present Multiple cameras shooting is respectively used to used in the process of shooting speaker, shooting speaker's speech if there are three video cameras in meeting-place The film arrived, and shooting auditorium, as shown in Figure 1.During video conference carries out, three video cameras are being shot, still, The final video presented on a display screen is not all of the video of video camera shooting, for example, when speaker's speech, display What is presented on screen is the video for shooting the video camera shooting of speaker, and when spectators applaud, what is presented on display screen is to clap The video of the video camera shooting of spectators is taken the photograph, therefore, when video being presented in video conference, needs the view shot in different cameras Target video is selected between frequency, and target video is played out.
Currently, main target video of being selected from the video that different cameras is shot by the way of artificial selection is carried out It plays, still, this mode needs " instructor in broadcasting personnel " to exist, and " instructor in broadcasting personnel " are as required in the video of different cameras shooting Between switch over, still, due to being the mode of artificial selection, accordingly, there exist the lower defects of accuracy.
In conclusion there is standard in the method that selection target video plays out from the video that multiple cameras is shot at present The lower defect of exactness.
Summary of the invention
The embodiment of the present invention provides a kind of method and device for playing video, existing in the prior art accurate to solve Spend lower defect.
Specific technical solution provided in an embodiment of the present invention is as follows:
In a first aspect, providing a kind of method for playing video, it is applied to video conferencing system, the video conferencing system packet At least two are included for acquiring the video acquisition system of video, comprising:
For each of at least two video acquisition system video acquisition system, the video acquisition system is calculated Video selection coefficient, the video selection coefficient is for characterizing the important of corresponding video acquisition system video collected Property；
Maximum video selection coefficient is determined from the video selection coefficient being calculated；
The corresponding video acquisition system video collected of the maximum video selection coefficient is played out.
With reference to first aspect, in the first possible implementation, the video selection system of the video acquisition system is calculated Number, comprising:
Determine at least one associated satellite equipment that the video acquisition system includes；
It calculates the corresponding sub-video of at least one described associated satellite equipment and selects coefficient；
The video selection is determined according to the corresponding sub-video selection coefficient of at least one described associated satellite equipment Coefficient.
The possible implementation of with reference to first aspect the first, in the second possible implementation, according to described The corresponding sub-video selection coefficient of at least one associated satellite equipment determines the video selection coefficient, comprising:
Select the sum of coefficient as the video acquisition at least one described corresponding sub-video of associated satellite equipment The video selection coefficient of system.
With reference to first aspect the first is to second of possible implementation, in the third possible implementation, It calculates the corresponding sub-video of at least one described associated satellite equipment and selects coefficient, comprising:
For any one auxiliary device at least one described associated satellite equipment, any one auxiliary device is determined When meeting corresponding preset condition, coefficient will be selected for the default sub-video of any one auxiliary device setting, as described The corresponding sub-video of any one auxiliary device selects coefficient.
The third possible implementation with reference to first aspect, in the fourth possible implementation, described in judgement When any one auxiliary device meets corresponding preset condition, it will be selected for the default sub-video of any one auxiliary device setting Coefficient selects coefficient as the corresponding sub-video of any one auxiliary device, comprising:
If any one auxiliary device is the first video camera for shooting speaker's image, determine that first video camera is adopted When the movement of the speaker collected is the first deliberate action, it will be regarded to preset son to the first of first video camera setting Frequency selection coefficient selects coefficient as the corresponding sub-video of first video camera；
If any one auxiliary device is the first microphone for acquiring speaker's voice, determine that first microphone is adopted The keyword in speaker's voice collected be the first predetermined keyword when, by for first microphone is arranged second Default sub-video selects coefficient, selects coefficient as the corresponding sub-video of first microphone；
If any one auxiliary device is the first Pilot Operational Equipment controlled meeting-place, determine to described first When Pilot Operational Equipment carries out the first predetermined registration operation, sub-video will be preset for the third that first Pilot Operational Equipment is arranged Coefficient is selected, selects coefficient as the corresponding sub-video of first Pilot Operational Equipment.
The third possible implementation with reference to first aspect, in a fifth possible implementation, described in judgement When any one auxiliary device meets corresponding preset condition, it will be selected for the default sub-video of any one auxiliary device setting Coefficient selects coefficient as the corresponding sub-video of any one auxiliary device, comprising:
If any one auxiliary device is the second video camera of photographic film, determine that second video camera is collected The content keyword of the film is the second predetermined keyword, and/or determines the collected institute of the first microphone of acquisition speaker It, will be default sub for the 4th to second video camera setting when to state keyword in speaker's voice be third predetermined keyword Video selection coefficient selects coefficient as the corresponding sub-video of second video camera；
If any one auxiliary device is the second Pilot Operational Equipment controlled the film, determine to described When second Pilot Operational Equipment carries out second predetermined registration operation, by the 5th default son for second Pilot Operational Equipment is arranged Video selection coefficient selects coefficient as the corresponding sub-video of second Pilot Operational Equipment.
The third possible implementation with reference to first aspect, in a sixth possible implementation, described in judgement When any one auxiliary device meets corresponding preset condition, it will be selected for the default sub-video of any one auxiliary device setting Coefficient selects coefficient as the corresponding sub-video of any one auxiliary device, comprising:
If any one auxiliary device is the third video camera for shooting spectators, determine that the third video camera is collected The movement of the spectators is the second deliberate action, and/or determines the collected speaker of the first microphone of acquisition speaker When keyword in voice is four predetermined keyword, it will be selected for the 6th default sub-video to the third video camera setting Coefficient selects coefficient as the corresponding sub-video of the third video camera；
If any one auxiliary device is the second microphone for acquiring spectators' voice, the second microphone acquisition is determined To spectators' voice in keyword be five predetermined keywords when, will be preset for the second microphone is arranged the 7th Sub-video selects coefficient, selects coefficient as the corresponding sub-video of second microphone；
If any one auxiliary device is the third Pilot Operational Equipment controlled meeting-place, determine to the third When Pilot Operational Equipment carries out third predetermined registration operation, by the 8th default sub-video for the third Pilot Operational Equipment is arranged Coefficient is selected, selects coefficient as the corresponding sub-video of the third Pilot Operational Equipment.
With reference to first aspect or first aspect the first to the 6th kind of possible implementation, in the 7th kind of possibility Implementation in, the first default sub-video selection coefficient is greater than the 4th default sub-video selection coefficient and the 6th default sub-video Select coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient；Third presets sub-video selection Coefficient is all larger than the 5th default sub-video selection coefficient and the 8th default sub-video selection coefficient；Or
First default sub-video selection coefficient is equal to the 4th default sub-video and selects coefficient, and it is pre- to be more than or equal to the 6th If sub-video selects coefficient；Second default sub-video selection coefficient is more than or equal to the 7th default sub-video and selects coefficient；The Three default sub-video selection coefficients are equal to the 5th default sub-video and select coefficient, and are more than or equal to the 8th default sub-video choosing Select coefficient；Or
First default sub-video selection coefficient selects coefficient less than the 4th default sub-video, and is greater than the 6th default sub-video Select coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient；Third presets sub-video selection Coefficient selects coefficient less than the 5th default sub-video, and is greater than the 8th default sub-video and selects coefficient；Or
First default sub-video selection coefficient is greater than the 4th default sub-video and selects coefficient, the 4th default sub-video choosing Coefficient is selected more than or equal to the 6th default sub-video selection coefficient；Second default sub-video selection coefficient is greater than the 7th default son Video selection coefficient；Third presets sub-video selection coefficient and is greater than the 5th default sub-video selection coefficient, the described 5th default son Video selection coefficient is more than or equal to the 8th default sub-video and selects coefficient；
The first default sub-video selects coefficient to regard for son set by the first video camera to shooting speaker's image Frequency selection coefficient, the second default sub-video select coefficient for set by the first microphone for acquiring speaker's voice Sub-video selects coefficient, and the default sub-video of the third selects coefficient as the first Pilot Operational Equipment institute controlled meeting-place The sub-video of setting selects coefficient, and the 4th default sub-video selects coefficient for set by the second video camera to photographic film Sub-video select coefficient, the 5th default sub-video selects coefficient as the second Pilot Operational Equipment controlled film Set sub-video selects coefficient, and the 6th default sub-video selects coefficient for set by the third video camera to shooting spectators The sub-video selection coefficient set, the 7th default sub-video select coefficient for the second microphone institute for acquiring spectators' voice The sub-video of setting selects coefficient, and the 8th default sub-video selects coefficient as the third auxiliary operation controlled meeting-place Sub-video set by equipment selects coefficient.
With reference to first aspect or first aspect the first to the 7th kind of possible implementation, in the 8th kind of possibility Implementation in, the corresponding video acquisition system video collected of the maximum video selection coefficient is played out, is wrapped It includes:
In the process for playing out the corresponding video acquisition system video collected of the maximum video selection coefficient In, mechanism is played according to repeating query and is inserted into other video acquisition systems video collected, other described video acquisition systems are institute The video at least two video acquisition systems in addition to the corresponding video acquisition system of the maximum video selection coefficient is stated to adopt Collecting system.
With reference to first aspect or first aspect the first to the 8th kind of possible implementation, in the 9th kind of possibility Implementation in, this method further include:
Determine that all associated satellite equipment that at least two video acquisition system includes do not meet corresponding preset When condition, it will be played out using the video acquisition system video collected of panoramic viewing angle acquisition video.
Second aspect provides a kind of device for playing video, is applied to video conferencing system, the video conferencing system packet At least two are included for acquiring the video acquisition system of video, comprising:
Computing unit, for calculating for each of at least two video acquisition system video acquisition system The video selection coefficient of the video acquisition system, the video selection coefficient are acquired for characterizing corresponding video acquisition system Video importance；
Determination unit, for determining maximum video selection coefficient from the video selection coefficient being calculated；
Broadcast unit, for carrying out the corresponding video acquisition system video collected of the maximum video selection coefficient It plays.
In conjunction with second aspect, in the first possible implementation, the computing unit is used for:
Determine at least one associated satellite equipment that the video acquisition system includes；
It calculates the corresponding sub-video of at least one described associated satellite equipment and selects coefficient；
The video selection is determined according to the corresponding sub-video selection coefficient of at least one described associated satellite equipment Coefficient.
In conjunction with the first possible implementation of second aspect, in the second possible implementation, the calculating Unit determines the video selection coefficient according to the corresponding sub-video selection coefficient of at least one described associated satellite equipment, Specifically:
Select the sum of coefficient as the video acquisition at least one described corresponding sub-video of associated satellite equipment The video selection coefficient of system.
In conjunction with second aspect the first to second of possible implementation, in the third possible implementation, The computing unit calculates the corresponding sub-video of at least one described associated satellite equipment and selects coefficient, specifically:
For any one auxiliary device at least one described associated satellite equipment, any one auxiliary device is determined When meeting corresponding preset condition, coefficient will be selected for the default sub-video of any one auxiliary device setting, as described The corresponding sub-video of any one auxiliary device selects coefficient.
In conjunction with the third possible implementation of second aspect, in the fourth possible implementation, the calculating It is pre- by being arranged for any one auxiliary device when unit determines that any one auxiliary device meets corresponding preset condition If sub-video selects coefficient, coefficient is selected as the corresponding sub-video of any one auxiliary device, specifically:
If any one auxiliary device is the first video camera for shooting speaker's image, determine that first video camera is adopted When the movement of the speaker collected is the first deliberate action, it will be regarded to preset son to the first of first video camera setting Frequency selection coefficient selects coefficient as the corresponding sub-video of first video camera；
If any one auxiliary device is the first microphone for acquiring speaker's voice, determine that first microphone is adopted The keyword in speaker's voice collected be the first predetermined keyword when, by for first microphone is arranged second Default sub-video selects coefficient, selects coefficient as the corresponding sub-video of first microphone；
If any one auxiliary device is the first Pilot Operational Equipment controlled meeting-place, determine to described first When Pilot Operational Equipment carries out the first predetermined registration operation, sub-video will be preset for the third that first Pilot Operational Equipment is arranged Coefficient is selected, selects coefficient as the corresponding sub-video of first Pilot Operational Equipment.
In conjunction with the third possible implementation of second aspect, in a fifth possible implementation, the calculating It is pre- by being arranged for any one auxiliary device when unit determines that any one auxiliary device meets corresponding preset condition If sub-video selects coefficient, coefficient is selected as the corresponding sub-video of any one auxiliary device, specifically:
If any one auxiliary device is the second video camera of photographic film, determine that second video camera is collected The content keyword of the film is the second predetermined keyword, and/or determines the collected institute of the first microphone of acquisition speaker It, will be default sub for the 4th to second video camera setting when to state keyword in speaker's voice be third predetermined keyword Video selection coefficient selects coefficient as the corresponding sub-video of second video camera；
If any one auxiliary device is the second Pilot Operational Equipment controlled the film, determine to described When second Pilot Operational Equipment carries out second predetermined registration operation, by the 5th default son for second Pilot Operational Equipment is arranged Video selection coefficient selects coefficient as the corresponding sub-video of second Pilot Operational Equipment.
In conjunction with the third possible implementation of second aspect, in a sixth possible implementation, the calculating It is pre- by being arranged for any one auxiliary device when unit determines that any one auxiliary device meets corresponding preset condition If sub-video selects coefficient, coefficient is selected as the corresponding sub-video of any one auxiliary device, specifically:
If any one auxiliary device is the third video camera for shooting spectators, determine that the third video camera is collected The movement of the spectators is the second deliberate action, and/or determines the collected speaker of the first microphone of acquisition speaker When keyword in voice is four predetermined keyword, it will be selected for the 6th default sub-video to the third video camera setting Coefficient selects coefficient as the corresponding sub-video of the third video camera；
If any one auxiliary device is the second microphone for acquiring spectators' voice, the second microphone acquisition is determined To spectators' voice in keyword be five predetermined keywords when, will be preset for the second microphone is arranged the 7th Sub-video selects coefficient, selects coefficient as the corresponding sub-video of second microphone；
If any one auxiliary device is the third Pilot Operational Equipment controlled meeting-place, determine to the third When Pilot Operational Equipment carries out third predetermined registration operation, by the 8th default sub-video for the third Pilot Operational Equipment is arranged Coefficient is selected, selects coefficient as the corresponding sub-video of the third Pilot Operational Equipment.
In conjunction with the first of second aspect or second aspect to the 6th kind of possible implementation, in the 7th kind of possibility Implementation in, the first default sub-video selection coefficient is greater than the 4th default sub-video selection coefficient and the 6th default sub-video Select coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient；Third presets sub-video selection Coefficient is all larger than the 5th default sub-video selection coefficient and the 8th default sub-video selection coefficient；Or
First default sub-video selection coefficient is equal to the 4th default sub-video and selects coefficient, and it is pre- to be more than or equal to the 6th If sub-video selects coefficient；Second default sub-video selection coefficient is more than or equal to the 7th default sub-video and selects coefficient；The Three default sub-video selection coefficients are equal to the 5th default sub-video and select coefficient, and are more than or equal to the 8th default sub-video choosing Select coefficient；Or
First default sub-video selection coefficient selects coefficient less than the 4th default sub-video, and is greater than the 6th default sub-video Select coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient；Third presets sub-video selection Coefficient selects coefficient less than the 5th default sub-video, and is greater than the 8th default sub-video and selects coefficient；Or
First default sub-video selection coefficient is greater than the 4th default sub-video and selects coefficient, the 4th default sub-video choosing Coefficient is selected more than or equal to the 6th default sub-video selection coefficient；Second default sub-video selection coefficient is greater than the 7th default son Video selection coefficient；Third presets sub-video selection coefficient and is greater than the 5th default sub-video selection coefficient, the described 5th default son Video selection coefficient is more than or equal to the 8th default sub-video and selects coefficient；
The first default sub-video selects coefficient to regard for son set by the first video camera to shooting speaker's image Frequency selection coefficient, the second default sub-video select coefficient for set by the first microphone for acquiring speaker's voice Sub-video selects coefficient, and the default sub-video of the third selects coefficient as the first Pilot Operational Equipment institute controlled meeting-place The sub-video of setting selects coefficient, and the 4th default sub-video selects coefficient for set by the second video camera to photographic film Sub-video select coefficient, the 5th default sub-video selects coefficient as the second Pilot Operational Equipment controlled film Set sub-video selects coefficient, and the 6th default sub-video selects coefficient for set by the third video camera to shooting spectators The sub-video selection coefficient set, the 7th default sub-video select coefficient for the second microphone institute for acquiring spectators' voice The sub-video of setting selects coefficient, and the 8th default sub-video selects coefficient as the third auxiliary operation controlled meeting-place Sub-video set by equipment selects coefficient.
In conjunction with the first of second aspect or second aspect to the 7th kind of possible implementation, in the 8th kind of possibility Implementation in, the broadcast unit is used for:
In the process for playing out the corresponding video acquisition system video collected of the maximum video selection coefficient In, mechanism is played according to repeating query and is inserted into other video acquisition systems video collected, other described video acquisition systems are institute The video at least two video acquisition systems in addition to the corresponding video acquisition system of the maximum video selection coefficient is stated to adopt Collecting system.
In conjunction with the first of second aspect or second aspect to the 8th kind of possible implementation, in the 9th kind of possibility Implementation in, the broadcast unit is used for:
Determine that all associated satellite equipment that at least two video acquisition system includes do not meet corresponding preset When condition, it will be played out using the video acquisition system video collected of panoramic viewing angle acquisition video.
In the prior art, under the scene of at least two video acquisition systems acquisition video, selection target video is broadcast The method put proposes a kind of method for playing video there are accuracy lower defect in the embodiment of the present invention, for it is described extremely Each of few two video acquisition systems video acquisition system, calculates the video selection coefficient of the video acquisition system, depending on Frequency selection coefficient is used to characterize the importance of corresponding video acquisition system video collected；From the video selection being calculated Maximum video selection coefficient is determined in coefficient；The corresponding video acquisition system of the maximum video selection coefficient is collected Video plays out, and is to determine which view played on earth by the video selection coefficient of video acquisition system in this scenario The video of frequency acquisition system acquisition, does not need to switch by special " instructor in broadcasting personnel ", this improves the videos of broadcasting Accuracy.
Detailed description of the invention
Fig. 1 is the schematic diagram that multiple cameras shoots video in the prior art；
Fig. 2A is the flow chart that video is played in the embodiment of the present invention；
Fig. 2 B is video acquisition system and terminal or the connection schematic diagram of MCU in the embodiment of the present invention；
Fig. 2 C is the schematic diagram of panoramic viewing angle in the embodiment of the present invention；
Fig. 3 is the embodiment that video is played in the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram that the device of video is played in the embodiment of the present invention；
Fig. 5 is another structural schematic diagram that the device of video is played in the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The embodiment of the present invention is described in detail with reference to the accompanying drawings of the specification, it should be understood that reality described herein Example is applied only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention, and in the absence of conflict, in the application Feature in embodiment and embodiment can be combined with each other.
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
Refering to shown in Fig. 2A, in the embodiment of the present invention, propose that a kind of method for playing video, this method are applied to video council Conference system, video conferencing system include at least two for acquiring the video acquisition system of video, and the process of this method is as follows:
Step 200: for each of at least two video acquisition systems video acquisition system, calculating the video acquisition The video selection coefficient of system；
Step 210: maximum video selection coefficient, video selection coefficient are determined from the video selection coefficient being calculated For characterizing the importance of corresponding video acquisition system video collected；
Step 220: the corresponding video acquisition system video collected of maximum video selection coefficient is played out.
Such as: there are three video acquisition system, one for shooting speaker, one for shooting backstage scene, one For shooting spectators, the corresponding video selection coefficient of these three video acquisition systems difference is calculated, the video of spectators is such as shot Video selection coefficient corresponding to acquisition system is maximum, then broadcasts video captured by the video acquisition system for shooting spectators It puts, this way it is not necessary to " instructor in broadcasting personnel " manually go to select to play out video captured by which video acquisition system, because This, improves from the accuracy that selection target video plays out between the video that multiple video acquisition systems acquire.
In the embodiment of the present invention, there are many modes that calculate the video selection coefficient of the video acquisition system, optionally, can With in the following way:
Determine at least one associated satellite equipment that the video acquisition system includes；
Calculate the corresponding sub-video selection coefficient of at least one associated satellite equipment；
The video acquisition system is determined according to the corresponding sub-video selection coefficient of at least one associated satellite equipment Video selection coefficient.
In the embodiment of the present invention, view is determined according to the corresponding sub-video selection coefficient of at least one associated satellite equipment There are many modes of frequency selection coefficient, optionally, can be in the following way:
Select the sum of coefficient as the video acquisition system at least one corresponding sub-video of associated satellite equipment Video selection coefficient.
Such as: for shoot speaker video acquisition system, including at least one associated satellite equipment in addition to camera shooting It can also include speech cylinder, in addition it can which including background music controller, laser pen, video camera is corresponding other than machine Sub-video selects coefficient to select coefficient 1 for sub-video, and the corresponding sub-video of microphone selects coefficient to select coefficient 2, back for sub-video The corresponding sub-video of scape music controller selects coefficient to select coefficient 3 for sub-video, and the corresponding sub-video of laser pen selects coefficient Coefficient 4 is selected for sub-video, then the video selection coefficient of the video acquisition system for shooting speaker is sub-video selection system The sum of number 1, sub-video selection coefficient 2, sub-video selection coefficient 3 and sub-video selection coefficient 4.
Above-mentioned is the video selection system for illustrating to calculate video acquisition system by taking the video acquisition system for shooting speaker as an example Several methods, in practical applications, video acquisition system may be the video acquisition system of photographic film, the video of photographic film At least one associated satellite equipment that acquisition system includes can also include the key of control film demonstration other than including video camera Disk, mouse, the corresponding sub-video of video camera select coefficient to select coefficient 5 for sub-video, and the corresponding sub-video of keyboard selects coefficient Coefficient 6 is selected for sub-video, the corresponding sub-video of mouse selects coefficient to select coefficient 7 for sub-video, then the video of photographic film The video selection coefficient of acquisition system is that sub-video selects coefficient 5, sub-video that coefficient 6, sub-video is selected to select the sum of coefficient 7.
Above-mentioned is the video choosing for illustrating to calculate video acquisition system for shooting the video acquisition system of speaker, film The method for selecting coefficient, in practical applications, video acquisition system are also possible to shoot the video acquisition system of spectators, shoot spectators Video acquisition system at least one associated satellite equipment for including other than including video camera, can also include what spectators putd question to Enquirement device, the voting machine etc. that microphone, auxiliary spectators put question to, the corresponding sub-video of video camera selects coefficient to select coefficient for sub-video 8, the corresponding sub-video of microphone selects coefficient to select coefficient 9 for sub-video, and the corresponding sub-video of device is putd question to select coefficient for son view Frequency selects the corresponding sub-video of coefficient 10, voting machine that coefficient is selected to select coefficient 11 for sub-video, then shoots the video of spectators The video selection coefficient of acquisition system is that sub-video selects coefficient 8, sub-video that coefficient 9, sub-video is selected to select coefficient 10 and the Sub-video selects the sum of coefficient 11.
It is above-mentioned to tell about, select the sum of coefficient as this at least one corresponding sub-video of associated satellite equipment The video selection coefficient of video acquisition system, it is of course also possible to use other modes, for example, at least one associated satellite is set The average value of the sum of standby corresponding sub-video selection coefficient, the video selection coefficient as the video acquisition system.
Such as: for shoot speaker video acquisition system, including at least one associated satellite equipment in addition to camera shooting It can also include speech cylinder, in addition it can which including background music controller, laser pen, video camera is corresponding other than machine Sub-video selects coefficient to select coefficient 1 for sub-video, and the corresponding sub-video of microphone selects coefficient to select coefficient 2, back for sub-video The corresponding sub-video of scape music controller selects coefficient to select coefficient 3 for sub-video, and the corresponding sub-video of laser pen selects coefficient Coefficient 4 is selected for sub-video, then sub-video selection coefficient 1, sub-video selection coefficient 2, sub-video selection coefficient 3 and sub-video choosing Selecting the sum of coefficient 4 is the sum of first video selection coefficient, and the value that the sum of first video selection coefficient is obtained divided by 4 as pair In the video selection coefficient of the video acquisition system of shooting speaker.
In another example video acquisition system may be the video acquisition system of photographic film, the video acquisition system of photographic film At least one associated satellite equipment that system includes can also include keyboard, the mouse of control film demonstration other than including video camera Mark, the corresponding sub-video of video camera select coefficient to select coefficient 5 for sub-video, and the corresponding sub-video of keyboard selects coefficient for son view Frequency selection coefficient 6, the corresponding sub-video of mouse select coefficient to select coefficient 7 for sub-video, then sub-video selects coefficient 5, sub- view Frequency selects coefficient 6, sub-video to select the sum of coefficient 7 for the sum of second video selection coefficient, by the sum of second video selection coefficient The value obtained divided by 3, the video selection coefficient of the video acquisition system as photographic film.
Certainly, the calculation of the video selection coefficient of video acquisition system is not limited to above two mode, may be used also There can be other implementations, be no longer described in detail one by one herein.
In the embodiment of the present invention, each video acquisition system can also include audio/video controller, and audio/video controller is The relatively common equipment in this field, is no longer described in detail one by one herein.
Certainly, in the application, it is also possible to there are other video acquisition systems, is not limited to above-mentioned three kinds of video acquisition systems, This is no longer described in detail one by one.
In the embodiment of the present invention, before the video selection coefficient for calculating video acquisition system, each attached can be set It is standby all to preset a default sub-video selection coefficient, but be not will all be arranged in any case for the auxiliary device it is pre- If sub-video selects coefficient, coefficient is selected as the corresponding sub-video of the auxiliary device, it, will when determining that the auxiliary device is effective Coefficient is selected to the default sub-video that the auxiliary device is arranged, selects coefficient as the corresponding sub-video of the auxiliary device, when sentencing When the auxiliary device is invalid calmly, coefficient is selected as the corresponding sub-video of the auxiliary device by 0.
Wherein, when judging whether auxiliary device is effective, whether corresponding preset condition can be met according to auxiliary device To judge, if it is decided that when auxiliary device meets corresponding preset condition, determine that auxiliary device comes into force, if auxiliary device is not inconsistent When closing corresponding preset condition, determine that auxiliary device is invalid.
That is, when calculating at least one associated satellite equipment corresponding sub-video selection coefficient, it optionally, can With in the following way:
For any one auxiliary device at least one associated satellite equipment, it is default to determine that any one auxiliary device meets When condition, the default sub-video being arranged for any one auxiliary device is selected into coefficient, as the corresponding son of any one auxiliary device Video selection coefficient.
Alternatively, if it is determined that being used as any one auxiliary device corresponding for 0 when any one auxiliary device does not meet preset condition Sub-video selects coefficient.
Such as: for shoot speaker video acquisition system, including at least one associated satellite equipment in addition to including It can also include speech cylinder, in addition it can include background music controller, laser pen other than video camera, if it is decided that When video camera comes into force, i.e., when video camera meets corresponding preset condition, coefficient will be selected for the default sub-video of video camera setting 1, coefficient is selected as the corresponding sub-video of video camera, if it is decided that when video camera is invalid, i.e., video camera does not meet corresponding pre- If when condition, selecting coefficient as the corresponding sub-video of video camera for 0；Similarly, if it is decided that when microphone comes into force, i.e., microphone meets When corresponding preset condition, the default sub-video being arranged for microphone is selected into coefficient 2, as microphone corresponding sub-video selection system Number, if it is decided that when microphone is invalid, i.e., when microphone does not meet corresponding preset condition, 0 is selected as the corresponding sub-video of microphone Select coefficient；If it is determined that background music controller comes into force, i.e., when background music controller meets corresponding preset condition, will be The default sub-video of background music controller setting selects coefficient 3, as background music controller corresponding sub-video selection system Number, if it is decided that when background music controller is invalid, i.e., when background music controller does not meet corresponding preset condition, 0 is made Coefficient is selected for the corresponding sub-video of background music controller；If it is determined that laser pen comes into force, i.e., laser pen meets corresponding When preset condition, the default sub-video being arranged for laser pen is selected into coefficient 4, as laser pen corresponding sub-video selection system Number, if it is decided that when laser pen is invalid, i.e., when laser pen does not meet corresponding preset condition, by 0 as the corresponding son of laser pen Video selection coefficient.
It will be any one attached when determining that any one auxiliary device meets corresponding preset condition in the embodiment of the present invention The default sub-video of equipment setting selects coefficient, when selecting coefficient as the corresponding sub-video of any one auxiliary device, optionally, It can also be in the following way:
If any one auxiliary device is the first video camera for shooting speaker, the collected speaker of the first video camera is determined Movement when being the first deliberate action, will be the first default sub-video selection coefficient to the first video camera setting, as first The corresponding sub-video of video camera selects coefficient；If it is determined that the movement of the collected speaker of the first video camera is not first default dynamic When making, coefficient is selected as the corresponding sub-video of the first video camera by 0；
If any one auxiliary device is the first microphone for acquiring speaker's voice, the collected speaker of the first microphone is determined When keyword in voice is the first predetermined keyword, coefficient will be selected for the second default sub-video that the first microphone is arranged, Coefficient is selected as the corresponding sub-video of the first microphone；If it is determined that the keyword in the collected speaker's voice of the first microphone is not When for the first predetermined keyword, coefficient is selected as the corresponding sub-video of the first microphone by 0；
If any one auxiliary device is the first Pilot Operational Equipment controlled meeting-place, determine to the first auxiliary operation When equipment carries out the first predetermined registration operation, coefficient is selected by sub-video is preset for the third that the first Pilot Operational Equipment is arranged, is made Coefficient is selected for the corresponding sub-video of the first Pilot Operational Equipment；If it is determined that default without first to the first Pilot Operational Equipment When operation, coefficient is selected as the corresponding sub-video of the first Pilot Operational Equipment by 0
It should be noted that when the movement for determining the collected speaker of the first video camera is the first deliberate action, so that it may To determine that the first video camera comes into force, that is to say, that whether the first video camera is judged to come into force specifically can be imaged by judging first Whether the movement of the collected speaker of machine is this technological means of the first deliberate action to realize, when the first video camera of judgement is adopted When the movement of the speaker collected is the first deliberate action, so that it may determine that the first video camera comes into force, when determining the first video camera When the movement of collected speaker is not the first deliberate action, so that it may determine that the first video camera is invalid.
For example, the video acquisition system of shooting speaker includes the first video camera and the first microphone, clapped in the first video camera Take the photograph speaker stand up or wave etc. the first deliberate action when, it is believed that the first video camera be it is effective, in the first microphone Keyword in collected voice include " today, we, everybody, together, emphatically, welcome (someone), please applaud, salute " etc. At least one of the first keyword when, it is believed that the first microphone is effective.
The movement such as wave, stand up, shaking the head in another example the first video camera for shooting speaker collects speaker, and if this A little act is the first deliberate action, will be to set to the video camera at this point, determining that the first video camera of shooting speaker is effective The default sub-video of first set selects coefficient, and the corresponding sub-video of the first video camera as shooting speaker selects coefficient, such as It is 3 that the default sub-video of fruit pre-set first, which selects coefficient, then shoots the corresponding sub- view of the first video camera of speaker at this time Select coefficient be 3 to frequency, if the first video camera of shooting speaker collects the movement that speaker drinks water, and it is not that this, which is acted, One deliberate action, at this point, determine the first video camera of shooting speaker be it is invalid, by 0 as shooting first taking the photograph for speaker The corresponding sub-video of camera selects coefficient.
Similarly, when the keyword in the judgement collected speaker's voice of the first microphone is the first predetermined keyword, so that it may With determine the first microphone come into force, that is to say, that judge the first microphone whether come into force specifically can by judge the first microphone acquisition To speaker's voice in keyword whether be this technological means of the first predetermined keyword realize, when determining the first microphone When keyword in collected speaker's voice is the first predetermined keyword, so that it may determine that the first microphone comes into force, work as judgement When keyword in the collected speaker's voice of first microphone is not the first predetermined keyword, so that it may determine the first microphone without Effect.
Similarly, when determining to carry out the first predetermined registration operation to the first Pilot Operational Equipment, so that it may determine the first auxiliary operation Equipment comes into force, that is to say, that judging whether the first Pilot Operational Equipment comes into force can be by judging to the first Pilot Operational Equipment This technological means of the first predetermined registration operation whether is carried out to realize, is grasped when determining to preset the first Pilot Operational Equipment progress first When making, so that it may determine that the first Pilot Operational Equipment comes into force, be grasped when determining to preset the first Pilot Operational Equipment without first When making, so that it may determine that the first Pilot Operational Equipment is invalid.
Above-mentioned tell about is video acquisition system for speaker, calculates the side of the sub-video selection coefficient of auxiliary device Formula tells about the mode of the sub-video selection coefficient of the video acquisition system calculating auxiliary device for film below, realizes process It can be as follows with process: when determining that any one auxiliary device meets corresponding preset condition, by what is be arranged for any one auxiliary device Default sub-video selects coefficient, when selecting coefficient as the corresponding sub-video of any one auxiliary device, optionally, can also use Such as under type:
If any one auxiliary device is the second video camera of photographic film, the interior of the collected film of the second video camera is determined Appearance keyword is the second predetermined keyword, and/or determines to acquire in the collected speaker's voice of the first microphone of speaker It will be the 4th default sub-video selection coefficient to the second video camera setting when keyword is third predetermined keyword, as the The corresponding sub-video of two video cameras selects coefficient；
If any one auxiliary device is the second Pilot Operational Equipment controlled film, determine to the second auxiliary operation When equipment carries out second predetermined registration operation, coefficient will be selected for the 5th default sub-video that the second Pilot Operational Equipment is arranged, made Coefficient is selected for the corresponding sub-video of the second Pilot Operational Equipment.
For example, being directed to the second video camera of photographic film, such as occurs " beginning " " end " second in film content and preset When keyword, at this point, determine the shooting of the second video camera be it is effective, will be for the 4th default sub-video to the second video camera setting Coefficient is selected, selects coefficient as the corresponding sub-video of the second video camera；If not occurring the second default key in film content When word, at this point, determine the shooting of the second video camera be it is invalid, select coefficient as the corresponding sub-video of the second video camera for 0.
In the embodiment of the present invention, the second Pilot Operational Equipment may include keyboard, mouse, the page turner etc. to film control Equipment is operated, e.g., when the second Pilot Operational Equipment is the keyboard controlled film, is determining that carrying out second to keyboard presets When operation, coefficient will be selected for the 5th default sub-video that keyboard is arranged, select coefficient as the corresponding sub-video of keyboard；? When determining to keyboard without second predetermined registration operation, coefficient is selected as the corresponding sub-video of keyboard by 0.
It should be noted that determine that the content keyword of the collected film of the second video camera is the second predetermined keyword, And/or when determining keyword in the collected speaker's voice of the first microphone of acquisition speaker for third predetermined keyword, It is assured that the second video camera comes into force, that is to say, that judging whether the second video camera comes into force specifically can be by following two Technological means is realized: whether the content keyword for judging the collected film of the second video camera be the second predetermined keyword, and/ Or whether the keyword for judging to acquire in the collected speaker's voice of the first microphone of speaker is third predetermined keyword, when The content keyword for determining the collected film of the second video camera is the second predetermined keyword, and/or determines acquisition speaker's When keyword in the collected speaker's voice of first microphone is third predetermined keyword, so that it may determine that the second video camera is raw Effect, when determine the collected film of the second video camera content keyword be not the second predetermined keyword, and determine acquisition speaker When keyword in the collected speaker's voice of the first microphone of people is not third predetermined keyword, so that it may determine that second takes the photograph Camera is invalid.
Similarly, when determining to carry out second predetermined registration operation to the second Pilot Operational Equipment, determine that the second Pilot Operational Equipment is raw Effect, that is to say, that whether the second Pilot Operational Equipment is judged to come into force specifically can be to the second Pilot Operational Equipment by judging No this technological means of progress second predetermined registration operation realizes, when determining to carry out second predetermined registration operation to the second Pilot Operational Equipment When, it determines that the second Pilot Operational Equipment comes into force, when determining to the second Pilot Operational Equipment without second predetermined registration operation, determines Second Pilot Operational Equipment is invalid.In the embodiment of the present invention, the keyword in the collected speaker's voice of the first microphone is determined When for the first predetermined keyword, coefficient will be selected for the second default sub-video that the first microphone is arranged, as the first microphone pair The sub-video selection coefficient answered, determines that the keyword in the collected speaker's voice of the first microphone of acquisition speaker is third When predetermined keyword, coefficient will be selected for the 4th default sub-video to the second video camera setting, it is corresponding as the second video camera Sub-video select coefficient, that is to say, that the voice of the collected speaker of the first microphone can may act as judgement first The foundation whether microphone comes into force, can also be used as whether the second video camera come into force based on when determining that the first microphone is collected It when keyword in speaker's voice is the first predetermined keyword, determines that the first microphone is effective, determines the first of acquisition speaker When keyword in the collected speaker's voice of microphone is third predetermined keyword, determine that the second video camera is effective.
Such as: when acquisition speaker voice the collected voice of the first microphone in include " today, we, everybody, one Rise, emphatically, welcome (someone), please applaud, salute, please put question to, I says, do not hear, please repeat, also need to continue thinking, etc. after When the first keyword of at least one of face research " etc., at this point, can determine the first words according to the collected voice of the first microphone Cylinder comes into force；When acquisition speaker voice the collected voice of the first microphone in include " look at, flow chart, picture, film, Here, displaying, next step, on screen, demonstration ", at least one third predetermined keyword when, at this point, according to the first microphone Collected voice can determine that the second video camera is effective.
It is above-mentioned tell about be for speaker, film video acquisition system, determine included by the video acquisition system The mode that sub-video selects coefficient is arranged in auxiliary device, in practical applications, it is also possible to there is the video acquisition system for spectators System tells about the side that the corresponding sub-video selection coefficient of associated satellite equipment is calculated for the video acquisition system of spectators below Formula:
That is, will be set when determining that any one auxiliary device meets corresponding preset condition for any one auxiliary device The default sub-video selection coefficient set optionally, can be adopted when selecting coefficient as the corresponding sub-video of any one auxiliary device With such as under type:
If any one auxiliary device is the third video camera for shooting spectators, determine that the collected spectators' of third video camera is dynamic As the second deliberate action, and/or the keyword for determining to acquire in the collected speaker's voice of the first microphone of speaker is When four predetermined keywords, coefficient will be selected for the 6th default sub-video to third video camera setting, as third video camera Corresponding sub-video selects coefficient；If it is determined that the movement of the collected spectators of third video camera is not the second deliberate action, and sentence Surely when the keyword in the collected speaker's voice of the first microphone of acquisition speaker is not four predetermined keyword, 0 is made Coefficient is selected for the corresponding sub-video of third video camera；
If any one auxiliary device is the second microphone for acquiring spectators' voice, the collected spectators' voice of the second microphone is determined In keyword when being five predetermined keywords, will be the 7th default sub-video selection coefficient that the second microphone is arranged, as The corresponding sub-video of second microphone selects coefficient；Determine that the keyword in the collected spectators' voice of the second microphone is not the 5th pre- If when keyword, selecting coefficient as the corresponding sub-video of the second microphone for 0；
If any one auxiliary device is the third Pilot Operational Equipment controlled meeting-place, determine to third auxiliary operation When equipment carries out third predetermined registration operation, coefficient will be selected for the 8th default sub-video that third Pilot Operational Equipment is arranged, made Coefficient is selected for the corresponding sub-video of third Pilot Operational Equipment；Determine to third Pilot Operational Equipment without the default behaviour of third When making, coefficient is selected as the corresponding sub-video of third Pilot Operational Equipment by 0.
It should be noted that determining that the movement of the collected spectators of third video camera is the second deliberate action, and/or determine When keyword in the collected speaker's voice of the first microphone of acquisition speaker is four predetermined keyword, so that it may determine Third video camera comes into force, that is, judges whether third video camera comes into force, can be by judging the collected sight of third video camera as follows Whether many movements are the second deliberate action, and/or in the collected speaker's voice of the first microphone of judgement acquisition speaker Keyword whether be the 4th the two technological means of predetermined keyword to realize, if it is decided that the collected sight of third video camera Many movements are the second deliberate action, and/or determine to acquire the pass in the collected speaker's voice of the first microphone of speaker When keyword is four predetermined keyword, so that it may determine that third video camera comes into force, if it is decided that the collected sight of third video camera Many movements are not the second deliberate action, and determine to acquire the key in the collected speaker's voice of the first microphone of speaker When word is not four predetermined keyword, so that it may determine that third video camera is invalid.
It similarly, can be true when the keyword in the judgement collected spectators' voice of the second microphone is five predetermined keyword Fixed second microphone comes into force, that is to say, that judging whether the second microphone comes into force can be by judging the collected spectators of the second microphone Whether the keyword in voice is the 5th this technological means of predetermined keyword to realize, if it is decided that the second microphone is collected When keyword in spectators' voice is five predetermined keyword, it can determine that the second microphone comes into force, if it is decided that the second microphone is adopted When the keyword in spectators' voice collected is not five predetermined keyword, it can determine that the second microphone is invalid.
Similarly, when determining to carry out third predetermined registration operation to third Pilot Operational Equipment, so that it may determine third auxiliary operation Equipment is effective, that is to say, that judge whether third Pilot Operational Equipment is effective, it specifically can be by judging to third auxiliary operation Whether equipment carries out this technological means of third predetermined registration operation to realize, if it is decided that carries out third to third Pilot Operational Equipment When predetermined registration operation, determine that third Pilot Operational Equipment is effective, if it is decided that third Pilot Operational Equipment without third When predetermined registration operation, determine that third Pilot Operational Equipment is invalid.
Wherein, optionally, the second deliberate action can be " raising one's hand ", " All stand ", and the 5th predetermined keyword can be " may I ask ", " please answer ", " why ".
For example, when including raise one's hand movement, loud movement (drum in the collected video of video acquisition system for spectators The palm is cheered), large area movement (All stand) etc. video contents when, can determine that third video camera is effective.
In the embodiment of the present invention, optionally, the first deliberate action is the movement for needing to be concerned for characterizing speaker, the One predetermined keyword is used to characterize the word that speaker needs to be concerned, and the first predetermined registration operation needs to be closed for characterizing speaker The operation of note.
Similarly, the second predetermined keyword and third predetermined keyword are used to the word that characterization film needs to be concerned, the Two predetermined registration operations are used to characterize the operation that film needs to be concerned.
Similarly, the second deliberate action is the movement for needing to be concerned for characterizing spectators, the 4th predetermined keyword and the 5th Predetermined keyword is used to the word that characterization spectators need to be concerned, and third predetermined registration operation is used to characterize what spectators needed to be concerned Operation.
It, can basis when selecting coefficient to the corresponding default sub-video of each auxiliary device setting in the embodiment of the present invention The property of video conference, for example, when reporting meeting for one, the video conference acquisition system to shooting speaker includes each Default sub-video set by auxiliary device, which selects coefficient, to be maximum；When if it is communication and discussion meeting, to shooting speaker Video acquisition system include each auxiliary device set by default sub-video selection coefficient, with the video to photographic film Default sub-video selection coefficient can be identical set by each auxiliary device that acquisition system includes.
In the embodiment of the present invention, in the video conference of lecture, the video acquisition system video collected of film is acquired Broadcasting time can be greater than the broadcasting time of the video acquisition system video collected of acquisition speaker, acquire speaker's The broadcasting time of video acquisition system video collected can be greater than the video acquisition system video collected of acquisition spectators Broadcasting time, can be by selecting coefficient to realize default sub-video set by each auxiliary device, for example, will shooting Default sub-video selection coefficient set by each auxiliary device that the video conference acquisition system of film includes is set as maximum, Default sub-video set by each auxiliary device for including by the video conference acquisition system for shooting speaker again selects coefficient It is set as, default sub-video selection set by each auxiliary device that the video conference acquisition system greater than shooting spectators includes Coefficient.
In the video conference of question and answer, the broadcasting time of the video acquisition system video collected of speaker is acquired, it can To be greater than the broadcasting time of the video acquisition system video collected of acquisition film, the video acquisition system institute of speaker is acquired The broadcasting time of the video of acquisition can be greater than the broadcasting time of the video acquisition system video collected of acquisition spectators, can With by selecting coefficient to realize default sub-video set by each auxiliary device, for example, the video that speaker will be shot Default sub-video selection coefficient set by each auxiliary device that meeting acquisition system includes is set as maximum, then will shoot glue Default sub-video selection coefficient set by each auxiliary device that the video conference acquisition system of piece includes is set as, and is greater than and is clapped Default sub-video selection coefficient set by each auxiliary device that the video conference acquisition system of spectators includes is taken the photograph, alternatively, It can be default sub-video selection set by each auxiliary device for including by the video conference acquisition system for shooting speaker Coefficient is set as maximum, then default son set by each auxiliary device for including by the video conference acquisition system for shooting spectators Video selection coefficient is set as, pre- set by each auxiliary device for including greater than the video conference acquisition system of photographic film If sub-video selects coefficient.
That is, the first default sub-video selection coefficient is all larger than the 4th if video conference is the form of single report Default sub-video selection coefficient and the 6th default sub-video select coefficient；It is default that second default sub-video selection coefficient is greater than the 7th Sub-video selects coefficient；Third presets sub-video selection coefficient and is all larger than the 5th default sub-video selection coefficient and the 8th default son Video selection coefficient；
If video conference is the form of communication and discussion meeting, the first default sub-video selection coefficient is equal to the 4th default son view Frequency selection coefficient, and be more than or equal to the 6th default sub-video and select coefficient；Second default sub-video selection coefficient be greater than or Person is equal to the 7th default sub-video and selects coefficient；Third presets sub-video selection coefficient and is equal to the 5th default sub-video selection system Number, and be more than or equal to the 8th default sub-video and select coefficient；
If the video conference is to give a lecture the form of meeting, the first default sub-video selection coefficient is less than the 4th default son view Frequency selection coefficient, and be greater than the 6th default sub-video and select coefficient；Second default sub-video selection coefficient is greater than the 7th default son Video selection coefficient；Third presets sub-video selection coefficient and selects coefficient less than the 5th default sub-video, and it is default to be greater than the 8th Sub-video selects coefficient；
If the video conference is the form of question and answer meeting, the first default sub-video selection coefficient is greater than the 4th default son view Frequency selection coefficient, the 4th default sub-video selection coefficient are more than or equal to the 6th default sub-video and select coefficient；Second Default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient；Third presets sub-video selection coefficient and is greater than the 5th in advance If sub-video selects coefficient, the 5th default sub-video selection coefficient is more than or equal to the 8th default sub-video selection system Number；
First default sub-video selects coefficient to select for sub-video set by the first video camera to shooting speaker's image Coefficient is selected, the second default sub-video selects coefficient for the selection of sub-video set by the first microphone to acquisition speaker's voice system Number, third presets sub-video and select coefficient to be selected for sub-video set by the first Pilot Operational Equipment for being controlled meeting-place Coefficient, the 4th default sub-video select coefficient to select coefficient for sub-video set by the second video camera to photographic film, the Five default sub-videos select coefficient and select coefficient for sub-video set by the second Pilot Operational Equipment for being controlled film, 6th default sub-video selects coefficient to select coefficient for sub-video set by the third video camera to shooting spectators, and the 7th is default Sub-video selects coefficient to select coefficient, the 8th default sub-video for sub-video set by the second microphone to acquisition spectators' voice It selects coefficient and selects coefficient for sub-video set by the third Pilot Operational Equipment that is controlled meeting-place.
For example, when single report, the first default sub-video selection coefficient can be greater than the 4th default sub-video selection coefficient, The 6th default sub-video can also be greater than and select coefficient, third, which presets sub-video selection coefficient, can be greater than the 5th default sub-video It selects coefficient, the 8th default sub-video selection coefficient can also be greater than；When communication and discussion meeting, the first default sub-video selects coefficient The 4th default sub-video selection coefficient can be equal to, the 6th default sub-video selection coefficient can be greater than, third presets sub-video Select coefficient that can be equal to the 5th default sub-video selection coefficient, the 8th default sub-video selection coefficient can be greater than.
For example, the first default sub-video selection coefficient is set as 10, and the 4th is pre- if video conference is the form of single report If sub-video selection coefficient be set as 5 and the 6th default sub-video selection coefficient be set as 4；Second default sub-video selects coefficient 5 are set as, the 7th default sub-video selection coefficient is set as 4；Third presets sub-video selection coefficient and is set as 7, and the 5th is default Sub-video selection coefficient is set as 5, and the 8th default sub-video selection coefficient is set as 5.
In another example the first default sub-video selection coefficient is set as 7 if video conference is the form of communication and discussion meeting, 4th default sub-video selection coefficient is also configured as 7, and the 6th default sub-video selection coefficient can be set to 7 or 5；Second is pre- If sub-video selection coefficient is set as 6, the 7th default sub-video selection coefficient is set as 6 or 5；Third presets sub-video selection Coefficient is set as 6, and the 5th default sub-video selection coefficient is set as 6, and the 8th default sub-video selection coefficient is set as 6 or 5.
In another example the first default sub-video selection coefficient is set as the 4, the 4th if video conference is to give a lecture the form of meeting Default sub-video selection coefficient is set as 7, and the 6th default sub-video selection coefficient is set as 3；Second default sub-video selection system Number is set as 7, and the 7th default sub-video selection coefficient is set as 4；Third presets sub-video selection coefficient and is set as 6, and the 5th is pre- If sub-video selection coefficient is set as 7, the 8th default sub-video selection coefficient is set as 3.
If video conference is the form of question and answer meeting, the first default sub-video selection coefficient is set as 7, the 4th default son view Frequency selection coefficient is set as 5, and the 4th default sub-video selection coefficient is set as 5, and the 6th default sub-video selection coefficient is set as 5 Or 4；Second default sub-video selection coefficient is set as 5, and the 7th default sub-video selection coefficient is set as 4；The default son of third Video selection coefficient is set as 6, and the 5th default sub-video selection coefficient is set as 5, the 8th default sub-video selection coefficient setting It is 3.
In the embodiment of the present invention, multiple video acquisition systems can be located at a meeting-place, can also be located in multiple meeting-place, When being located at a meeting-place, the executing subject of step 200-220 can be the terminal in the meeting-place, when being located at multiple meeting-place, step The executing subject of rapid 200-220 can be MCU (Multipoint Control Unit, multipoint control unit), video acquisition system The connection united with terminal or MCU can be as shown in Figure 2 B, when the executing subject of step 200-220 is terminal either MCU, Video selection coefficient processing module shown in Fig. 2 B can be located in terminal or MCU, certainly, when holding for step 200-220 When row main body is not terminal or is also not MCU, video selection coefficient processing module shown in Fig. 2 B can be located at terminal or In other executing subjects except person MCU in the embodiment of the present invention, further, it can also adjust corresponding to auxiliary device Default sub-video selects coefficient, for example, by the product of default sub-video selection coefficient * dynamic regulation coefficient * scene predetermined coefficient Coefficient is selected as default sub-video final corresponding to auxiliary device.
For example, during spectators put question to, if someone swarms into dais, at this point it is possible to increase the of shooting speaker The corresponding first default sub-video of one video camera selects coefficient.
In another example during speaker's speech, if there is spectators raise one's hand to put question to, at this point it is possible to increase shooting spectators The corresponding 6th default sub-video of third video camera select coefficient.
In the embodiment of the present invention, in video switching, to avoid certain video acquisition systems video collected from not having always There is the defect of broadcasting, poll can be set and play mechanism, video camera poll time is such as set, by maximum video selection coefficient pair During the video acquisition system answered video collected plays out, mechanism is played according to repeating query and is inserted into other video acquisitions System video collected, other video acquisition systems are at least two video acquisition systems except maximum video selection coefficient pair Video acquisition system except the video acquisition system answered.
For example, every three minutes, respectively to for speaker video acquisition system, for film video acquisition system, For each 3 seconds video playback times of video acquisition system of spectators.
In the embodiment of the present invention, all associated satellite equipment that judgement at least two video acquisition system includes are not When meeting corresponding preset condition, it will be broadcast using the video acquisition system video collected of panoramic viewing angle acquisition video It puts.
For example, when speaker for a long time not it is inactive or without speaker in the case where, video playing switching it is quite miscellaneous Disorderly, such as to switch within first second No. 1 video camera, be switched within second second No. 2 video acquisition systems video collected, third again In the case that second is switched to No. 3 video acquisition system videos collected again, at this point it is possible to enable the panorama at " god visual angle " Visual angle to acquire entire meeting-place area video, will be using the video acquisition system video collected of panoramic viewing angle acquisition video It plays out, as shown in Figure 2 C.
As shown in figure 3, embodiment, concrete application scene given below are regarded for playing for a better understanding of the present invention The process of frequency carries out citing description, includes the first video acquisition system, the photographic film of shooting speaker in the application scenarios The third video acquisition system of second video acquisition system and shooting spectators:
Step 300: when speaker starts speech, the video selection of calculated first video acquisition system at this time Coefficient is maximum value, then plays the first video acquisition system video collected；
Step 310: during speaker's speech, starting: when " looking at film ", at this point, calculated shooting The video selection coefficient of second video acquisition system of film is maximum value, then plays the second video acquisition system view collected Frequently；
After this step, speaker turns over the movement such as film page when saying, then image unanimously maintains to play the view of photographic film Frequency acquisition system gives speaker, film, spectators each 3 if polling timer reaches preset time, such as every three minutes respectively Second camera lens, then respectively play different video acquisition system video collected each 3 seconds, still, if spectators put question to if, Execute following steps:
Step 320: the video selection coefficient of the third video acquisition system of calculated shooting spectators is maximum value, then broadcasts Put third video acquisition system video collected；
Step 330: calculated if spectators put question to and finish, and speaker starts to answer, or enquirement is interrupted by speaker The video selection coefficient for shooting the first video acquisition system of speaker is maximum value, then returns and play the first video acquisition system Video collected.
During continuing to play the first video acquisition system video collected, if speaker prepares to be directed to some Problem stirs film or keyboard typing, then the video selection of the second video acquisition system of calculated photographic film at this time Coefficient is maximum value, is switched to the video acquisition system video collected for playing photographic film.
In conclusion proposing a kind of method for playing video in the embodiment of the present invention, adopted at least two video Each of collecting system video acquisition system, calculates the video selection coefficient of the video acquisition system, and video selection coefficient is used In the importance for characterizing corresponding video acquisition system video collected；It is determined from the video selection coefficient being calculated Maximum video selection coefficient；The corresponding video acquisition system video collected of the maximum video selection coefficient is broadcast It puts, is to determine which video acquisition system played on earth by the video selection coefficient of video acquisition system in this scenario The video of acquisition does not need to switch by special " instructor in broadcasting personnel ", and this improves the accuracy of the video of broadcasting.
As shown in fig.4, propose a kind of device for playing video in the embodiment of the present invention, be applied to video conferencing system, Video conferencing system includes at least two for acquiring the video acquisition system of video, which includes computing unit 40, determines Unit 41 and broadcast unit 42:
Computing unit 40, for for each of at least two video acquisition systems video acquisition system, calculating should The video selection coefficient of video acquisition system, video selection coefficient is for characterizing corresponding video acquisition system video collected Importance；
Determination unit 41, for determining maximum video selection coefficient from the video selection coefficient being calculated；
Broadcast unit 42, for broadcasting the corresponding video acquisition system video collected of maximum video selection coefficient It puts.
In the embodiment of the present invention, further, computing unit 40 is used for:
Determine at least one associated satellite equipment that the video acquisition system includes；
Calculate the corresponding sub-video selection coefficient of at least one associated satellite equipment；
Video selection coefficient is determined according to the corresponding sub-video selection coefficient of at least one associated satellite equipment.
In the embodiment of the present invention, optionally, computing unit 40 is according at least one corresponding son of associated satellite equipment Video selection coefficient determines video selection coefficient, specifically:
Select the sum of coefficient as the video acquisition system at least one corresponding sub-video of associated satellite equipment Video selection coefficient.
In the embodiment of the present invention, optionally, computing unit 40 calculates at least one corresponding son of associated satellite equipment Video selection coefficient, specifically:
For any one auxiliary device at least one associated satellite equipment, determine that any one auxiliary device meets correspondence Preset condition when, by the default sub-video being arranged for any one auxiliary device select coefficient, as any one auxiliary device pair The sub-video selection coefficient answered.
In the embodiment of the present invention, optionally, computing unit 40 determines that any one auxiliary device meets corresponding preset condition When, the default sub-video being arranged for any one auxiliary device is selected into coefficient, as the corresponding sub-video of any one auxiliary device Coefficient is selected, specifically:
If any one auxiliary device is the first video camera for shooting speaker's image, the collected master of the first video camera is determined When the movement for saying people is the first deliberate action, coefficient will be selected for the first default sub-video to the first video camera setting, as The corresponding sub-video of first video camera selects coefficient；
If any one auxiliary device is the first microphone for acquiring speaker's voice, the collected speaker of the first microphone is determined When keyword in voice is the first predetermined keyword, coefficient will be selected for the second default sub-video that the first microphone is arranged, Coefficient is selected as the corresponding sub-video of the first microphone；
If any one auxiliary device is the first Pilot Operational Equipment controlled meeting-place, determine to the first auxiliary operation When equipment carries out the first predetermined registration operation, coefficient is selected by sub-video is preset for the third that the first Pilot Operational Equipment is arranged, is made Coefficient is selected for the corresponding sub-video of the first Pilot Operational Equipment.
In the embodiment of the present invention, optionally, computing unit 40 determines that any one auxiliary device meets corresponding preset condition When, the default sub-video being arranged for any one auxiliary device is selected into coefficient, as the corresponding sub-video of any one auxiliary device Coefficient is selected, specifically:
If any one auxiliary device is the second video camera of photographic film, the interior of the collected film of the second video camera is determined Appearance keyword is the second predetermined keyword, and/or determines to acquire in the collected speaker's voice of the first microphone of speaker It will be the 4th default sub-video selection coefficient to the second video camera setting when keyword is third predetermined keyword, as the The corresponding sub-video of two video cameras selects coefficient；
If any one auxiliary device is the second Pilot Operational Equipment controlled film, determine to the second auxiliary operation When equipment carries out second predetermined registration operation, coefficient will be selected for the 5th default sub-video that the second Pilot Operational Equipment is arranged, made Coefficient is selected for the corresponding sub-video of the second Pilot Operational Equipment.
In the embodiment of the present invention, optionally, computing unit 40 determines that any one auxiliary device meets corresponding preset condition When, the default sub-video being arranged for any one auxiliary device is selected into coefficient, as the corresponding sub-video of any one auxiliary device Coefficient is selected, specifically:
If any one auxiliary device is the third video camera for shooting spectators, determine that the collected spectators' of third video camera is dynamic As the second deliberate action, and/or the keyword for determining to acquire in the collected speaker's voice of the first microphone of speaker is When four predetermined keywords, coefficient will be selected for the 6th default sub-video to third video camera setting, as third video camera Corresponding sub-video selects coefficient；
If any one auxiliary device is the second microphone for acquiring spectators' voice, the collected spectators' voice of the second microphone is determined In keyword when being five predetermined keywords, will be the 7th default sub-video selection coefficient that the second microphone is arranged, as The corresponding sub-video of second microphone selects coefficient；
If any one auxiliary device is the third Pilot Operational Equipment controlled meeting-place, determine to third auxiliary operation When equipment carries out third predetermined registration operation, coefficient will be selected for the 8th default sub-video that third Pilot Operational Equipment is arranged, made Coefficient is selected for the corresponding sub-video of third Pilot Operational Equipment.
In the embodiment of the present invention, optionally, the first default sub-video selection coefficient is greater than the 4th default sub-video selection system Number and the 6th default sub-video select coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient； Third presets sub-video selection coefficient and is all larger than the 5th default sub-video selection coefficient and the 8th default sub-video selection coefficient；Or Person
First default sub-video selection coefficient is equal to the 4th default sub-video and selects coefficient, and it is pre- to be more than or equal to the 6th If sub-video selects coefficient；Second default sub-video selection coefficient is more than or equal to the 7th default sub-video and selects coefficient；The Three default sub-video selection coefficients are equal to the 5th default sub-video and select coefficient, and are more than or equal to the 8th default sub-video choosing Select coefficient；Or
First default sub-video selection coefficient selects coefficient less than the 4th default sub-video, and is greater than the 6th default sub-video Select coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient；Third presets sub-video selection Coefficient selects coefficient less than the 5th default sub-video, and is greater than the 8th default sub-video and selects coefficient；Or
First default sub-video selection coefficient is greater than the 4th default sub-video and selects coefficient, the 4th default sub-video selection system Number is more than or equal to the 6th default sub-video and selects coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video Select coefficient；Third presets sub-video selection coefficient and is greater than the 5th default sub-video selection coefficient, the 5th default sub-video selection Coefficient is more than or equal to the 8th default sub-video and selects coefficient；
First default sub-video selects coefficient to select for sub-video set by the first video camera to shooting speaker's image Coefficient is selected, the second default sub-video selects coefficient for the selection of sub-video set by the first microphone to acquisition speaker's voice system Number, third presets sub-video and select coefficient to be selected for sub-video set by the first Pilot Operational Equipment for being controlled meeting-place Coefficient, the 4th default sub-video select coefficient to select coefficient for sub-video set by the second video camera to photographic film, the Five default sub-videos select coefficient and select coefficient for sub-video set by the second Pilot Operational Equipment for being controlled film, 6th default sub-video selects coefficient to select coefficient for sub-video set by the third video camera to shooting spectators, and the 7th is default Sub-video selects coefficient to select coefficient, the 8th default sub-video for sub-video set by the second microphone to acquisition spectators' voice It selects coefficient and selects coefficient for sub-video set by the third Pilot Operational Equipment that is controlled meeting-place.
In the embodiment of the present invention, optionally, broadcast unit 42 is used for:
During playing out maximum video selection coefficient corresponding video acquisition system video collected, press Mechanism is played according to repeating query and is inserted into other video acquisition systems video collected, other video acquisition systems are at least two videos Video acquisition system in acquisition system in addition to the corresponding video acquisition system of maximum video selection coefficient.
In the embodiment of the present invention, optionally, broadcast unit 42 is used for:
All associated satellite equipment for determining that at least two video acquisition systems include do not meet corresponding preset condition When, it will be played out using the video acquisition system video collected of panoramic viewing angle acquisition video.
As shown in figure 5, for another structural representation of the device of deployment controller in SDN provided in an embodiment of the present invention Figure, including at least one processor 501, communication bus 502, memory 503 and at least one communication interface 504.
Wherein, communication bus 502 is for realizing connecting and communicating between said modules, communication interface 504 be used for it is outer Portion's equipment connects and communicates.
Wherein, memory 503 is for being stored with executable program code, and processor 501 is by executing these program generations Code, to be used for:
For each of at least two video acquisition systems video acquisition system, the view of the video acquisition system is calculated Frequency selection coefficient, video selection coefficient are used to characterize the importance of corresponding video acquisition system video collected；
Maximum video selection coefficient is determined from the video selection coefficient being calculated；
The corresponding video acquisition system video collected of maximum video selection coefficient is played out.
It, optionally, can when processor 501 calculates the video selection coefficient of the video acquisition system in the embodiment of the present invention With in the following way:
Determine at least one associated satellite equipment that the video acquisition system includes；
Calculate the corresponding sub-video selection coefficient of at least one associated satellite equipment；
Video selection coefficient is determined according to the corresponding sub-video selection coefficient of at least one associated satellite equipment.
In the embodiment of the present invention, optionally, processor 501 is according to the corresponding sub- view of at least one associated satellite equipment Frequency selection coefficient determines video selection coefficient, can be in the following way:
Select the sum of coefficient as the video acquisition system at least one corresponding sub-video of associated satellite equipment Video selection coefficient.
In the embodiment of the present invention, optionally, processor 501 calculates the corresponding sub- view of at least one associated satellite equipment Frequency selection coefficient optionally can be in the following way:
For any one auxiliary device at least one associated satellite equipment, determine that any one auxiliary device meets correspondence Preset condition when, by the default sub-video being arranged for any one auxiliary device select coefficient, as any one auxiliary device pair The sub-video selection coefficient answered.
In the embodiment of the present invention, optionally, processor 501 determines that any one auxiliary device meets corresponding preset condition When, the default sub-video being arranged for any one auxiliary device is selected into coefficient, as the corresponding sub-video of any one auxiliary device Coefficient is selected, it can be with are as follows:
If any one auxiliary device is the first video camera for shooting speaker's image, the collected master of the first video camera is determined When the movement for saying people is the first deliberate action, coefficient will be selected for the first default sub-video to the first video camera setting, as The corresponding sub-video of first video camera selects coefficient；
If any one auxiliary device is the first microphone for acquiring speaker's voice, the collected speaker of the first microphone is determined When keyword in voice is the first predetermined keyword, coefficient will be selected for the second default sub-video that the first microphone is arranged, Coefficient is selected as the corresponding sub-video of the first microphone；
If any one auxiliary device is the first Pilot Operational Equipment controlled meeting-place, determine to the first auxiliary operation When equipment carries out the first predetermined registration operation, coefficient is selected by sub-video is preset for the third that the first Pilot Operational Equipment is arranged, is made Coefficient is selected for the corresponding sub-video of the first Pilot Operational Equipment.
In the embodiment of the present invention, optionally, processor 501 determines that any one auxiliary device meets corresponding preset condition When, the default sub-video being arranged for any one auxiliary device is selected into coefficient, as the corresponding sub-video of any one auxiliary device Coefficient is selected, it can be with are as follows:
If any one auxiliary device is the second video camera of photographic film, the interior of the collected film of the second video camera is determined Appearance keyword is the second predetermined keyword, and/or determines to acquire in the collected speaker's voice of the first microphone of speaker It will be the 4th default sub-video selection coefficient to the second video camera setting when keyword is third predetermined keyword, as the The corresponding sub-video of two video cameras selects coefficient；
If any one auxiliary device is the second Pilot Operational Equipment controlled film, determine to the second auxiliary operation When equipment carries out second predetermined registration operation, coefficient will be selected for the 5th default sub-video that the second Pilot Operational Equipment is arranged, made Coefficient is selected for the corresponding sub-video of the second Pilot Operational Equipment.
In the embodiment of the present invention, optionally, processor 501 determines that any one auxiliary device meets corresponding preset condition When, the default sub-video being arranged for any one auxiliary device is selected into coefficient, as the corresponding sub-video of any one auxiliary device Coefficient is selected, it can be with are as follows:
If any one auxiliary device is the third video camera for shooting spectators, determine that the collected spectators' of third video camera is dynamic As the second deliberate action, and/or the keyword for determining to acquire in the collected speaker's voice of the first microphone of speaker is When four predetermined keywords, coefficient will be selected for the 6th default sub-video to third video camera setting, as third video camera Corresponding sub-video selects coefficient；
If any one auxiliary device is the second microphone for acquiring spectators' voice, the collected spectators' voice of the second microphone is determined In keyword when being five predetermined keywords, will be the 7th default sub-video selection coefficient that the second microphone is arranged, as The corresponding sub-video of second microphone selects coefficient；
If any one auxiliary device is the third Pilot Operational Equipment controlled meeting-place, determine to third auxiliary operation When equipment carries out third predetermined registration operation, coefficient will be selected for the 8th default sub-video that third Pilot Operational Equipment is arranged, made Coefficient is selected for the corresponding sub-video of third Pilot Operational Equipment.
In the embodiment of the present invention, optionally, the first default sub-video selection coefficient is greater than the 4th default sub-video selection system Number and the 6th default sub-video select coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient； Third presets sub-video selection coefficient and is all larger than the 5th default sub-video selection coefficient and the 8th default sub-video selection coefficient；Or Person
First default sub-video selection coefficient is equal to the 4th default sub-video and selects coefficient, and it is pre- to be more than or equal to the 6th If sub-video selects coefficient；Second default sub-video selection coefficient is more than or equal to the 7th default sub-video and selects coefficient；The Three default sub-video selection coefficients are equal to the 5th default sub-video and select coefficient, and are more than or equal to the 8th default sub-video choosing Select coefficient；Or
First default sub-video selection coefficient selects coefficient less than the 4th default sub-video, and is greater than the 6th default sub-video Select coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient；Third presets sub-video selection Coefficient selects coefficient less than the 5th default sub-video, and is greater than the 8th default sub-video and selects coefficient；Or
First default sub-video selection coefficient is greater than the 4th default sub-video and selects coefficient, the 4th default sub-video selection system Number is more than or equal to the 6th default sub-video and selects coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video Select coefficient；Third presets sub-video selection coefficient and is greater than the 5th default sub-video selection coefficient, the 5th default sub-video selection Coefficient is more than or equal to the 8th default sub-video and selects coefficient；
First default sub-video selects coefficient to select for sub-video set by the first video camera to shooting speaker's image Coefficient is selected, the second default sub-video selects coefficient for the selection of sub-video set by the first microphone to acquisition speaker's voice system Number, third presets sub-video and select coefficient to be selected for sub-video set by the first Pilot Operational Equipment for being controlled meeting-place Coefficient, the 4th default sub-video select coefficient to select coefficient for sub-video set by the second video camera to photographic film, the Five default sub-videos select coefficient and select coefficient for sub-video set by the second Pilot Operational Equipment for being controlled film, 6th default sub-video selects coefficient to select coefficient for sub-video set by the third video camera to shooting spectators, and the 7th is default Sub-video selects coefficient to select coefficient, the 8th default sub-video for sub-video set by the second microphone to acquisition spectators' voice It selects coefficient and selects coefficient for sub-video set by the third Pilot Operational Equipment that is controlled meeting-place.
In the embodiment of the present invention, optionally, processor 501 is by the corresponding video acquisition system institute of maximum video selection coefficient It, can be with when the video of acquisition plays out are as follows:
During playing out maximum video selection coefficient corresponding video acquisition system video collected, press Mechanism is played according to repeating query and is inserted into other video acquisition systems video collected, other video acquisition systems are at least two videos Video acquisition system in acquisition system in addition to the corresponding video acquisition system of maximum video selection coefficient.
In the embodiment of the present invention, further, processor 501 is also used to:
All associated satellite equipment for determining that at least two video acquisition systems include do not meet corresponding preset condition When, it will be played out using the video acquisition system video collected of panoramic viewing angle acquisition video.The present invention is referring to basis The flowchart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program product describes.It answers Understand each flow and/or block that can be realized by computer program instructions in flowchart and/or the block diagram and flow chart And/or the combination of the process and/or box in block diagram.These computer program instructions be can provide to general purpose computer, dedicated The processor of computer, Embedded Processor or other programmable data processing devices is to generate a machine, so that passing through meter The instruction that calculation machine or the processor of other programmable data processing devices execute generate for realizing in one process of flow chart or The device of function in multiple processes and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or Function in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.

Claims (18)

1. a kind of method for playing video, is applied to video conferencing system, the video conferencing system is used for including at least two Acquire the video acquisition system of video characterized by comprising
For each of at least two video acquisition system video acquisition system, the view of the video acquisition system is calculated Frequency selection coefficient, the video selection coefficient are used to characterize the importance of corresponding video acquisition system video collected；
Maximum video selection coefficient is determined from the video selection coefficient being calculated；
The corresponding video acquisition system video collected of the maximum video selection coefficient is played out；
Wherein, the corresponding video acquisition system video collected of the maximum video selection coefficient is played out, comprising:
During playing out the maximum video selection coefficient corresponding video acquisition system video collected, press Play mechanism according to repeating query and be inserted into other video acquisition systems video collected, other described video acquisition systems be it is described at least Video acquisition system in two video acquisition systems in addition to the corresponding video acquisition system of the maximum video selection coefficient.
2. the method as described in claim 1, which is characterized in that calculate the video selection coefficient of the video acquisition system, comprising:
Determine at least one associated satellite equipment that the video acquisition system includes；
It calculates the corresponding sub-video of at least one described associated satellite equipment and selects coefficient；
The video selection coefficient is determined according to the corresponding sub-video selection coefficient of at least one described associated satellite equipment.
3. method according to claim 2, which is characterized in that corresponding according at least one described associated satellite equipment Sub-video selection coefficient determines the video selection coefficient, comprising:
Select the sum of coefficient as the video acquisition system at least one described corresponding sub-video of associated satellite equipment Video selection coefficient.
4. method as claimed in claim 2 or claim 3, which is characterized in that it is right respectively to calculate at least one described associated satellite equipment The sub-video selection coefficient answered, comprising:
For any one auxiliary device at least one described associated satellite equipment, determine that any one auxiliary device meets When corresponding preset condition, coefficient will be selected for the default sub-video of any one auxiliary device setting, as described any The corresponding sub-video of one auxiliary device selects coefficient.
5. method as claimed in claim 4, which is characterized in that determine that any one auxiliary device meets corresponding default item When part, coefficient will be selected for the default sub-video of any one auxiliary device setting, as any one auxiliary device pair The sub-video selection coefficient answered, comprising:
If any one auxiliary device is the first video camera for shooting speaker's image, determine that first video camera collects The movement of speaker when being the first deliberate action, will be the first default sub-video choosing to first video camera setting Coefficient is selected, selects coefficient as the corresponding sub-video of first video camera；
If any one auxiliary device is the first microphone for acquiring speaker's voice, determine that first microphone collects Speaker's voice in keyword be the first predetermined keyword when, will be preset for first microphone is arranged second Sub-video selects coefficient, selects coefficient as the corresponding sub-video of first microphone；
If any one auxiliary device is the first Pilot Operational Equipment controlled meeting-place, determine to first auxiliary When operation equipment carries out the first predetermined registration operation, sub-video selection will be preset for the third that first Pilot Operational Equipment is arranged Coefficient selects coefficient as the corresponding sub-video of first Pilot Operational Equipment.
6. method as claimed in claim 4, which is characterized in that determine that any one auxiliary device meets corresponding default item When part, coefficient will be selected for the default sub-video of any one auxiliary device setting, as any one auxiliary device pair The sub-video selection coefficient answered, comprising:
If any one auxiliary device is the second video camera of photographic film, determine that second video camera is collected described The content keyword of film is the second predetermined keyword, and/or determines the collected master of the first microphone of acquisition speaker It, will be for the 4th default sub-video to second video camera setting when saying that keyword in human speech sound is third predetermined keyword Coefficient is selected, selects coefficient as the corresponding sub-video of second video camera；
If any one auxiliary device is the second Pilot Operational Equipment controlled the film, determine to described second When Pilot Operational Equipment carries out second predetermined registration operation, by the 5th default sub-video for second Pilot Operational Equipment is arranged Coefficient is selected, selects coefficient as the corresponding sub-video of second Pilot Operational Equipment.
7. method as claimed in claim 4, which is characterized in that determine that any one auxiliary device meets corresponding default item When part, coefficient will be selected for the default sub-video of any one auxiliary device setting, as any one auxiliary device pair The sub-video selection coefficient answered, comprising:
If any one auxiliary device is the third video camera for shooting spectators, determine that the third video camera is collected described The movement of spectators is the second deliberate action, and/or determines the collected speaker's voice of the first microphone of acquisition speaker In keyword when being four predetermined keywords, will be for the 6th default sub-video selection to the third video camera setting Number selects coefficient as the corresponding sub-video of the third video camera；
If any one auxiliary device is the second microphone for acquiring spectators' voice, determine that second microphone is collected When keyword in spectators' voice is five predetermined keyword, by the 7th default son view for second microphone is arranged Frequency selection coefficient selects coefficient as the corresponding sub-video of second microphone；
If any one auxiliary device is the third Pilot Operational Equipment for controlling meeting-place, determine to assist the third When operating equipment progress third predetermined registration operation, it will be selected for the 8th default sub-video that the third Pilot Operational Equipment is arranged Coefficient selects coefficient as the corresponding sub-video of the third Pilot Operational Equipment.
8. the method according to claim 1, which is characterized in that the first default sub-video selection coefficient is greater than the 4th Default sub-video selection coefficient and the 6th default sub-video select coefficient；It is default that second default sub-video selection coefficient is greater than the 7th Sub-video selects coefficient；Third presets sub-video selection coefficient and is all larger than the 5th default sub-video selection coefficient and the 8th default son Video selection coefficient；Or
First default sub-video selection coefficient is equal to the 4th default sub-video and selects coefficient, and is more than or equal to the 6th default son Video selection coefficient；Second default sub-video selection coefficient is more than or equal to the 7th default sub-video and selects coefficient；Third is pre- If sub-video selects coefficient to be equal to the 5th default sub-video and selects coefficient, and is more than or equal to the 8th default sub-video selection system Number；Or
First default sub-video selection coefficient selects coefficient less than the 4th default sub-video, and is greater than the 6th default sub-video selection Coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient；Third presets sub-video and selects coefficient Coefficient is selected less than the 5th default sub-video, and is greater than the 8th default sub-video and selects coefficient；Or
First default sub-video selection coefficient is greater than the 4th default sub-video and selects coefficient, the 4th default sub-video selection system Number is more than or equal to the 6th default sub-video and selects coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video Select coefficient；Third presets sub-video selection coefficient and is greater than the 5th default sub-video selection coefficient, the 5th default sub-video It selects coefficient to be more than or equal to the 8th default sub-video and selects coefficient；
The first default sub-video selects coefficient to select for sub-video set by the first video camera to shooting speaker's image Coefficient is selected, the second default sub-video selects coefficient to regard to son set by the first microphone for acquiring speaker's voice Frequency selection coefficient, the third preset sub-video and select coefficient as set by the first Pilot Operational Equipment for being controlled meeting-place Sub-video select coefficient, the 4th default sub-video selects coefficient for son set by the second video camera to photographic film Video selection coefficient, the 5th default sub-video select coefficient as set by the second Pilot Operational Equipment for being controlled film The sub-video selection coefficient set, the 6th default sub-video select coefficient for set by the third video camera to shooting spectators Sub-video selects coefficient, and the 7th default sub-video selects coefficient for set by the second microphone for acquiring spectators' voice Sub-video select coefficient, the 8th default sub-video selects coefficient as the third Pilot Operational Equipment controlled meeting-place Set sub-video selects coefficient.
9. the method according to claim 1, which is characterized in that this method further include:
All associated satellite equipment for determining that at least two video acquisition system includes do not meet corresponding preset condition When, it will be played out using the video acquisition system video collected of panoramic viewing angle acquisition video.
10. a kind of device for playing video, is applied to video conferencing system, the video conferencing system is used for including at least two Acquire the video acquisition system of video characterized by comprising
Computing unit, for calculating the view for each of at least two video acquisition system video acquisition system The video selection coefficient of frequency acquisition system, the video selection coefficient is for characterizing corresponding video acquisition system view collected The importance of frequency；
Determination unit, for determining maximum video selection coefficient from the video selection coefficient being calculated；
Broadcast unit, for broadcasting the corresponding video acquisition system video collected of the maximum video selection coefficient It puts；
Wherein, the broadcast unit is used for: the corresponding video acquisition system of the maximum video selection coefficient is collected During video plays out, play mechanism according to repeating query and be inserted into other video acquisition systems video collected, it is described its His video acquisition system is at least two video acquisition system except the corresponding video of the maximum video selection coefficient is adopted Video acquisition system except collecting system.
11. device as claimed in claim 10, which is characterized in that the computing unit is used for:
Determine at least one associated satellite equipment that the video acquisition system includes；
It calculates the corresponding sub-video of at least one described associated satellite equipment and selects coefficient；
The video selection coefficient is determined according to the corresponding sub-video selection coefficient of at least one described associated satellite equipment.
12. device as claimed in claim 11, which is characterized in that the computing unit is according at least one described associated satellite The corresponding sub-video selection coefficient of equipment determines the video selection coefficient, specifically:
Select the sum of coefficient as the video acquisition system at least one described corresponding sub-video of associated satellite equipment Video selection coefficient.
13. the device as described in claim 11 or 12, which is characterized in that the computing unit calculates at least one described correlation The corresponding sub-video of auxiliary device selects coefficient, specifically:
For any one auxiliary device at least one described associated satellite equipment, determine that any one auxiliary device meets When corresponding preset condition, coefficient will be selected for the default sub-video of any one auxiliary device setting, as described any The corresponding sub-video of one auxiliary device selects coefficient.
14. device as claimed in claim 13, which is characterized in that the computing unit determines any one auxiliary device symbol When closing corresponding preset condition, coefficient will be selected for the default sub-video of any one auxiliary device setting, as described The corresponding sub-video of an auxiliary device of anticipating selects coefficient, specifically:
If any one auxiliary device is the first video camera for shooting speaker's image, determine that first video camera collects The movement of speaker when being the first deliberate action, will be the first default sub-video choosing to first video camera setting Coefficient is selected, selects coefficient as the corresponding sub-video of first video camera；
If any one auxiliary device is the first microphone for acquiring speaker's voice, determine that first microphone collects Speaker's voice in keyword be the first predetermined keyword when, will be preset for first microphone is arranged second Sub-video selects coefficient, selects coefficient as the corresponding sub-video of first microphone；
If any one auxiliary device is the first Pilot Operational Equipment controlled meeting-place, determine to first auxiliary When operation equipment carries out the first predetermined registration operation, sub-video selection will be preset for the third that first Pilot Operational Equipment is arranged Coefficient selects coefficient as the corresponding sub-video of first Pilot Operational Equipment.
15. device as claimed in claim 13, which is characterized in that the computing unit determines any one auxiliary device symbol When closing corresponding preset condition, coefficient will be selected for the default sub-video of any one auxiliary device setting, as described The corresponding sub-video of an auxiliary device of anticipating selects coefficient, specifically:
If any one auxiliary device is the second video camera of photographic film, determine that second video camera is collected described The content keyword of film is the second predetermined keyword, and/or determines the collected master of the first microphone of acquisition speaker It, will be for the 4th default sub-video to second video camera setting when saying that keyword in human speech sound is third predetermined keyword Coefficient is selected, selects coefficient as the corresponding sub-video of second video camera；
If any one auxiliary device is the second Pilot Operational Equipment controlled the film, determine to described second When Pilot Operational Equipment carries out second predetermined registration operation, by the 5th default sub-video for second Pilot Operational Equipment is arranged Coefficient is selected, selects coefficient as the corresponding sub-video of second Pilot Operational Equipment.
16. device as claimed in claim 13, which is characterized in that the computing unit determines any one auxiliary device symbol When closing corresponding preset condition, coefficient will be selected for the default sub-video of any one auxiliary device setting, as described The corresponding sub-video of an auxiliary device of anticipating selects coefficient, specifically:
If any one auxiliary device is the third video camera for shooting spectators, determine that the third video camera is collected described The movement of spectators is the second deliberate action, and/or determines the collected speaker's voice of the first microphone of acquisition speaker In keyword when being four predetermined keywords, will be for the 6th default sub-video selection to the third video camera setting Number selects coefficient as the corresponding sub-video of the third video camera；
If any one auxiliary device is the second microphone for acquiring spectators' voice, determine that second microphone is collected When keyword in spectators' voice is five predetermined keyword, by the 7th default son view for second microphone is arranged Frequency selection coefficient selects coefficient as the corresponding sub-video of second microphone；
If any one auxiliary device is the third Pilot Operational Equipment for controlling meeting-place, determine to assist the third When operating equipment progress third predetermined registration operation, it will be selected for the 8th default sub-video that the third Pilot Operational Equipment is arranged Coefficient selects coefficient as the corresponding sub-video of the third Pilot Operational Equipment.
17. such as the described in any item devices of claim 10-12, which is characterized in that the first default sub-video selection coefficient is greater than 4th default sub-video selection coefficient and the 6th default sub-video select coefficient；Second default sub-video selection coefficient is greater than the 7th Default sub-video selects coefficient；Third presets sub-video selection coefficient and is all larger than the 5th default sub-video selection coefficient and the 8th in advance If sub-video selects coefficient；Or
First default sub-video selection coefficient is equal to the 4th default sub-video and selects coefficient, and is more than or equal to the 6th default son Video selection coefficient；Second default sub-video selection coefficient is more than or equal to the 7th default sub-video and selects coefficient；Third is pre- If sub-video selects coefficient to be equal to the 5th default sub-video and selects coefficient, and is more than or equal to the 8th default sub-video selection system Number；Or
First default sub-video selection coefficient selects coefficient less than the 4th default sub-video, and is greater than the 6th default sub-video selection Coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video and selects coefficient；Third presets sub-video and selects coefficient Coefficient is selected less than the 5th default sub-video, and is greater than the 8th default sub-video and selects coefficient；Or
First default sub-video selection coefficient is greater than the 4th default sub-video and selects coefficient, the 4th default sub-video selection system Number is more than or equal to the 6th default sub-video and selects coefficient；Second default sub-video selection coefficient is greater than the 7th default sub-video Select coefficient；Third presets sub-video selection coefficient and is greater than the 5th default sub-video selection coefficient, the 5th default sub-video It selects coefficient to be more than or equal to the 8th default sub-video and selects coefficient；
The first default sub-video selects coefficient to select for sub-video set by the first video camera to shooting speaker's image Coefficient is selected, the second default sub-video selects coefficient to regard to son set by the first microphone for acquiring speaker's voice Frequency selection coefficient, the third preset sub-video and select coefficient as set by the first Pilot Operational Equipment for being controlled meeting-place Sub-video select coefficient, the 4th default sub-video selects coefficient for son set by the second video camera to photographic film Video selection coefficient, the 5th default sub-video select coefficient as set by the second Pilot Operational Equipment for being controlled film The sub-video selection coefficient set, the 6th default sub-video select coefficient for set by the third video camera to shooting spectators Sub-video selects coefficient, and the 7th default sub-video selects coefficient for set by the second microphone for acquiring spectators' voice Sub-video select coefficient, the 8th default sub-video selects coefficient as the third Pilot Operational Equipment controlled meeting-place Set sub-video selects coefficient.
18. such as the described in any item devices of claim 10-12, which is characterized in that the broadcast unit is used for:
All associated satellite equipment for determining that at least two video acquisition system includes do not meet corresponding preset condition When, it will be played out using the video acquisition system video collected of panoramic viewing angle acquisition video.
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