CN104918011B - A kind of method and device for playing video - Google Patents

A kind of method and device for playing video Download PDF

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Publication number
CN104918011B
CN104918011B CN201510289809.5A CN201510289809A CN104918011B CN 104918011 B CN104918011 B CN 104918011B CN 201510289809 A CN201510289809 A CN 201510289809A CN 104918011 B CN104918011 B CN 104918011B
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visual angle
concern
portable
equipment
concern visual
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CN104918011A (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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Priority to CN201510289809.5A priority Critical patent/CN104918011B/en
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Priority to PCT/CN2016/079203 priority patent/WO2016192467A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Image Analysis (AREA)

Abstract

The invention discloses a kind of method and device for playing video, includes applied to equipment and the scene of at least two video capture devices, this method is obtained there are at least two portable concern visual angles：Determine that at least two portable concern visual angles obtain the common concern visual angle of equipment；Obtain the corresponding first concern visual angle of at least two video capture devices；Corresponding first concern visual angle at least two video capture devices is met to the video capture device of condition with common concern visual angle, as target video collecting device；The video that target video collecting device is gathered is played out, in this scenario, according to common concern visual angle and the first concern visual angle, target video collecting device is selected from least two video capture devices, it need not manually choose, this improves the accuracy for the target video collecting device selected, and then improve play quality.

Description

A kind of method and device for playing video
Technical field
The present invention relates to video display arts field, more particularly to a kind of method and device for playing video.
Background technology
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, the belt video camera put as shown in Figure 1.After being shot with multiple cameras Video have the characteristics that multi-angle, more scapes are other, therefore, performance is more comprehensively.
It is regarding for a certain video camera shooting for what is during being shot with multiple cameras, at a time played Frequently, at present, it is by manually choosing, for example, shown in Fig. 1 selecting the mode of target video camera from multiple video cameras Be that A, B, C face the platform, the angle that A, B, C are placed is different, causes the effect of the video of shooting different, if logical Cross manually visually judge which video camera shooting effect is relatively good if, can there are accuracy it is relatively low the defects of, and then influence broadcast Put quality.
In conclusion in the embodiment of the present invention, play the method for video there are play quality it is poor the defects of.
The content of the invention
The embodiment of the present invention provides a kind of method and device for playing video, to solve broadcasting existing in the prior art The defects of second-rate.
First aspect, there is provided a kind of method for playing video, applied to there are at least two portable concern visual angles acquisitions The scene of equipment and at least two video capture devices, including：
Determine that described at least two portable concern visual angles obtain the common concern visual angle of equipment；
Obtain the corresponding first concern visual angle of at least two video capture device；
Corresponding first concern visual angle at least two video capture device and the common concern visual angle are met The video capture device of condition, as target video collecting device；
The video that the target video collecting device is gathered is played out.
With reference to first aspect, in the first possible implementation, will be right at least two video capture device The the first concern visual angle answered meets the video capture device of condition with the common concern visual angle, is set as target video collection It is standby, including：
Calculate the first visual angle vector at the common concern visual angle；
For any one video capture device at least two video capture device, perform respectively：
Visual angle is paid close attention to according to any one video capture device corresponding first, any one video acquisition is calculated and sets Standby corresponding second visual angle vector；
Selected from the vector of all second visual angles and meet the second of the first preset condition with first visual angle vector and regard Angle vector；
Regarded with meeting the video capture device corresponding to the second visual angle vector of first preset condition as target Frequency collecting device.
The possible implementation of with reference to first aspect the first, in second of possible implementation, according to described Any one video capture device corresponding first pays close attention to visual angle, calculates corresponding second visual angle of any one video capture device Before vector, further include：
Obtain the first geographical location information of any one video capture device；
Visual angle is paid close attention to according to any one video capture device corresponding first, any one video acquisition is calculated and sets Standby corresponding second visual angle vector, including：
According to first geographical location information and the first concern visual angle, any one video capture device is calculated Corresponding second visual angle vector.
First with reference to first aspect or second of possible implementation, in the third possible implementation, Selected from the vector of all second visual angles with first visual angle vector meet the first preset condition the second visual angle vector it Before, further include：
Calculate the absolute difference of each second visual angle vector and first visual angle vector；
Minimal difference absolute value is selected from all absolute differences；
Selected from the vector of all second visual angles and meet the second of the first preset condition with first visual angle vector and regard Angle vector, including：
By the second visual angle vector corresponding to the minimal difference absolute value selected, as meeting first preset condition The second visual angle vector.
First with reference to first aspect or second of possible implementation, in the 4th kind of possible implementation, Selected from the vector of all second visual angles with first visual angle vector meet the first preset condition the second visual angle vector it Before, further include：
Calculate the absolute difference of each second visual angle vector and first visual angle vector；
The target difference absolute value for meeting the second preset condition is selected from all absolute differences；
Minimal difference absolute value is selected from the target difference absolute value；
Selected from the vector of all second visual angles and meet the second of the first preset condition with first visual angle vector and regard Angle vector, including：
By the second visual angle vector corresponding to the minimal difference absolute value selected, as meeting first preset condition The second visual angle vector.
First to fourth kind of possible implementation with reference to first aspect, in the 5th kind of possible implementation, meter The first visual angle vector at the common concern visual angle is calculated, including：
Any one portable concern visual angle acquisition obtained for described at least two portable concern visual angles in equipment is set It is standby, perform respectively：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment and the second geographical location；
Any one portable concern visual angle is calculated according to the described second concern visual angle and second geographical location to obtain 3rd visual angle vector of taking equipment；
The first visual angle vector using the average value of the 3rd all visual angle vectors as the common concern visual angle.
With reference to first aspect, or first aspect first to the 5th kind of possible implementation, it is possible at the 6th kind In implementation, before determining the common concern visual angle that described at least two portable concern visual angles obtain equipment, further include：
Described at least two portable concern visual angles are obtained into equipment and are divided into the portable concern visual angle acquisition equipment of N classes, N is Integer more than or equal to 2；
Determine that described at least two portable concern visual angles obtain the common concern visual angle of equipment, including：
Calculate the portable concern visual angle of the N classes and obtain being corresponded to per a kind of portable concern visual angle acquisition equipment in equipment Common concern visual angle, obtain N number of common concern visual angle.
The 6th kind of possible implementation with reference to first aspect, in the 7th kind of possible implementation, by described in extremely Corresponding first concern visual angle meets that the video acquisition of condition is set with the common concern visual angle in few two video capture devices It is standby, as target video collecting device, including：
The portable concern visual angle of any type obtained for the portable concern visual angle of the N classes in equipment obtains equipment, Perform respectively：
By corresponding first concern visual angle and the portable pass of any type at least two video capture device Angle of direction obtains the common video capture device paid close attention to visual angle and meet condition of equipment, as portable for any type Target video collecting device described in the first object video capture device of concern visual angle acquisition equipment is regarded including the first object Frequency collecting device.
The 7th kind of possible implementation with reference to first aspect, in the 8th kind of possible implementation, by the mesh The video that mark video capture device is gathered plays out, including：
The video summary that all first object video capture devices are gathered plays out for a splicing picture； Or
The video that all first object video capture devices are gathered is played out respectively.
The 7th with reference to first aspect or the 8th kind of possible implementation, in the 9th kind of possible implementation, Corresponding first concern visual angle at least two video capture device is obtained with the portable concern visual angle of any type The common concern visual angle of taking equipment meets the video capture device of condition, before first object video capture device, also wraps Include：
Determine that the portable concern visual angle of any type obtains the portable concern visual angle acquisition equipment that equipment includes Quantity be more than default number threshold value.
The 6th with reference to first aspect, will in the tenth kind of possible implementation to the 9th kind of possible implementation At least two portable concern visual angle obtains equipment and is divided into the portable concern visual angle acquisition equipment of N classes, including：
Described at least two portable concern visual angles are obtained into equipment according to preset rules and are divided into the portable concern of two classes Visual angle obtains equipment；
The portable concern visual angle of any type obtained for the portable concern visual angle of two class in equipment obtains equipment, Judge whether can continue to be divided into the portable concern visual angle acquisition equipment of two classes according to the preset rules, if so, according to institute State preset rules and the portable concern visual angle of any type obtained into equipment be divided into the portable concern visual angle of two classes and obtain and set Standby, the portable concern visual angle of any type that the portable concern visual angle of two class obtained for division is obtained in equipment obtains Equipment, returns to judgment step, otherwise, stops division.
The tenth kind of possible implementation with reference to first aspect, in a kind of the tenth possible implementation, according to pre- If described at least two portable concern visual angles are obtained equipment and are divided into the portable concern visual angle acquisition equipment of two classes, bag by rule Include：
Any one the portable concern visual angle obtained for described at least two portable concern visual angles in equipment obtains Equipment, performs respectively：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment；
Visual angle difference is determined according to the described second concern visual angle and the common concern visual angle；
If the visual angle difference is more than default visual angle threshold value, the portable concern visual angle is obtained into equipment and is divided into the A kind of portable concern visual angle obtains equipment；If the visual angle difference is less than the default visual angle threshold value, will be described portable Concern visual angle obtains equipment and is divided into the portable concern visual angle acquisition equipment of the second class.
The 6th kind with reference to first aspect is to a kind of the tenth possible implementation, in the 12nd kind of possible implementation In, the method further includes：
If the N is more than default selection video capture device threshold value, or the portable concern visual angle of the N classes obtains and sets The portable concern visual angle that obtaining equipment per a kind of portable concern visual angle in standby includes obtain equipment quantity be respectively less than or Equal to default number threshold value, the video gathered using the video capture device of panoramic viewing angle collection video is played out.
Second aspect, there is provided a kind of device for playing video, applied to there are at least two portable concern visual angles acquisitions The scene of equipment and at least two video capture devices, including：
Determination unit, for determining that described at least two portable concern visual angles obtain the common concern visual angle of equipment；
Acquiring unit, for obtaining the corresponding first concern visual angle of at least two video capture device；
The determination unit is additionally operable to, by corresponding first concern visual angle and institute at least two video capture device The video capture device that common concern visual angle meets condition is stated, as target video collecting device；
Broadcast unit, the video for the target video collecting device to be gathered play out.
With reference to second aspect, in the first possible implementation, the determination unit is by least two video Corresponding first concern visual angle meets the video capture device of condition with the common concern visual angle in collecting device, as target Video capture device, is specially：
Calculate the first visual angle vector at the common concern visual angle；
For any one video capture device at least two video capture device, perform respectively：
Visual angle is paid close attention to according to any one video capture device corresponding first, any one video acquisition is calculated and sets Standby corresponding second visual angle vector；
Selected from the vector of all second visual angles and meet the second of the first preset condition with first visual angle vector and regard Angle vector；
Regarded with meeting the video capture device corresponding to the second visual angle vector of first preset condition as target Frequency collecting device.
With reference to the first possible implementation of second aspect, in second of possible implementation, acquiring unit It is additionally operable to, obtains the first geographical location information of any one video capture device；
The determination unit pays close attention to visual angle according to any one video capture device corresponding first, calculates described any The corresponding second visual angle vector of one video capture device, is specially：
According to first geographical location information and the first concern visual angle, any one video capture device is calculated Corresponding second visual angle vector.
With reference to the first of second aspect or second of possible implementation, in the third possible implementation, The determination unit is additionally operable to：
Calculate the absolute difference of each second visual angle vector and first visual angle vector；
Minimal difference absolute value is selected from all absolute differences；
The determination unit selects that to meet first with first visual angle vector default from the vector of all second visual angles Second visual angle vector of condition, is specially：
By the second visual angle vector corresponding to the minimal difference absolute value selected, as meeting first preset condition The second visual angle vector.
With reference to the first of second aspect or second of possible implementation, in the 4th kind of possible implementation, The determination unit is additionally operable to：
Calculate the absolute difference of each second visual angle vector and first visual angle vector；
The target difference absolute value for meeting the second preset condition is selected from all absolute differences；
Minimal difference absolute value is selected from the target difference absolute value；
The determination unit selects that to meet first with first visual angle vector default from the vector of all second visual angles Second visual angle vector of condition, is specially：
By the second visual angle vector corresponding to the minimal difference absolute value selected, as meeting first preset condition The second visual angle vector.
With reference to first to fourth kind of possible implementation of second aspect, in the 5th kind of possible implementation, institute The first visual angle vector that determination unit calculates the common concern visual angle is stated, is specially：
Any one portable concern visual angle acquisition obtained for described at least two portable concern visual angles in equipment is set It is standby, perform respectively：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment and the second geographical location；
Any one portable concern visual angle is calculated according to the described second concern visual angle and second geographical location to obtain 3rd visual angle vector of taking equipment；
The first visual angle vector using the average value of the 3rd all visual angle vectors as the common concern visual angle.
It is possible at the 6th kind with reference to first to the 5th kind of possible implementation of second aspect, or second aspect In implementation, division unit is further included, is used for：Described at least two portable concern visual angles are obtained into equipment and are divided into N classes just Take formula concern visual angle and obtain equipment, N is the integer more than or equal to 2；
The determination unit determines that described at least two portable concern visual angles obtain the common concern visual angle of equipment, specifically For：
Calculate the portable concern visual angle of the N classes and obtain being corresponded to per a kind of portable concern visual angle acquisition equipment in equipment Common concern visual angle, obtain N number of common concern visual angle.
It is described to determine in the 7th kind of possible implementation with reference to the 6th kind of possible implementation of second aspect Corresponding first concern visual angle at least two video capture device and the common concern visual angle are met condition by unit Video capture device, as target video collecting device, be specially：
The portable concern visual angle of any type obtained for the portable concern visual angle of the N classes in equipment obtains equipment, Perform respectively：
By corresponding first concern visual angle and the portable pass of any type at least two video capture device Angle of direction obtains the common video capture device paid close attention to visual angle and meet condition of equipment, as portable for any type The first object video capture device that visual angle obtains equipment is paid close attention to, the target video collecting device is regarded including the first object Frequency collecting device.
With reference to the 7th kind of possible implementation of second aspect, in the 8th kind of possible implementation, the broadcasting Unit is specifically used for：
The video summary that all first object video capture devices are gathered plays out for a splicing picture； Or
The video that all first object video capture devices are gathered is played out respectively.
With reference to the 7th or the 8th kind of possible implementation of second aspect, in the 9th kind of possible implementation, The determination unit is additionally operable to：
Determine that the portable concern visual angle of any type obtains the portable concern visual angle acquisition equipment that equipment includes Quantity be more than default number threshold value.
With reference to the 6th to the 9th kind of possible implementation of second aspect, in the tenth kind of possible implementation, institute Division unit is stated to be specifically used for：
Described at least two portable concern visual angles are obtained into equipment according to preset rules and are divided into the portable concern of two classes Visual angle obtains equipment；
The portable concern visual angle of any type obtained for the portable concern visual angle of two class in equipment obtains equipment, Judge whether can continue to be divided into the portable concern visual angle acquisition equipment of two classes according to the preset rules, if so, according to institute State preset rules and the portable concern visual angle of any type obtained into equipment be divided into the portable concern visual angle of two classes and obtain and set Standby, the portable concern visual angle of any type that the portable concern visual angle of two class obtained for division is obtained in equipment obtains Equipment, returns to judgment step, otherwise, stops division.
With reference to the tenth kind of possible implementation of second aspect, in a kind of the tenth possible implementation, described stroke Described at least two portable concern visual angles acquisition equipment are divided into the portable concern of two classes according to preset rules and regarded by subdivision Angle obtains equipment, is specially：
Any one the portable concern visual angle obtained for described at least two portable concern visual angles in equipment obtains Equipment, performs respectively：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment；
Visual angle difference is determined according to the described second concern visual angle and the common concern visual angle；
If the visual angle difference is more than default visual angle threshold value, the portable concern visual angle is obtained into equipment and is divided into the A kind of portable concern visual angle obtains equipment；If the visual angle difference is less than the default visual angle threshold value, will be described portable Concern visual angle obtains equipment and is divided into the portable concern visual angle acquisition equipment of the second class.
With reference to the 6th kind of second aspect to a kind of the tenth possible implementation, in the 12nd kind of possible implementation In, the broadcast unit is additionally operable to：
If the N is more than default selection video capture device threshold value, or the portable concern visual angle of the N classes obtains and sets The portable concern visual angle that obtaining equipment per a kind of portable concern visual angle in standby includes obtain equipment quantity be respectively less than or Equal to default number threshold value, the video gathered using the video capture device of panoramic viewing angle collection video is played out.
A kind of method for playing video is proposed in the embodiment of the present invention, applied to there are at least two portable concern visual angles Obtaining equipment and the scene of at least two video capture devices, this method includes：Determine that at least two portable concern visual angles are obtained The common concern visual angle of taking equipment；Obtain the corresponding first concern visual angle of at least two video capture devices；To at least two Corresponding first concern visual angle meets the video capture device of condition with common concern visual angle in a video capture device, as mesh Mark video capture device；；The video that target video collecting device is gathered is played out, in this scenario, is closed according to common Angle of direction and the first concern visual angle, select target video collecting device, it is not necessary to people from least two video capture devices Work selects, and this improves the accuracy for the target video collecting device selected, and then improves play quality.
Brief description of the drawings
Fig. 1 is the schematic diagram that multiple cameras is put in the prior art；
Fig. 2A is the flow chart that video is played in the embodiment of the present invention；
Fig. 2 B are the schematic diagram of intelligent glasses in the embodiment of the present invention；
Fig. 2 C are a kind of schematic diagram that common concern visual angle changes in the embodiment of the present invention；
Fig. 2 D are another schematic diagram that common concern visual angle changes in the embodiment of the present invention；
Fig. 2 E are the schematic diagram that multiple common concern visual angles change in the embodiment of the present invention；
Fig. 2 F are using the schematic diagram of panoramic viewing angle shooting 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 structure diagram for the device that video is played in the embodiment of the present invention；
Fig. 5 is another structure diagram for the device that video is played in the embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is 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 All other embodiments obtained without creative efforts, belong to the scope of protection of the invention.
The embodiment of the present invention is described in detail with reference to Figure of description, it will be appreciated that reality described herein Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention, and in the case where there is no conflict, in the application Feature in embodiment and embodiment can be mutually combined.
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Refering to shown in Fig. 2A, in the embodiment of the present invention, a kind of method for playing video is proposed, applied to there are at least two Portable concern visual angle obtains equipment and the scene of at least two video capture devices, the flow of this method are as follows：
Step 200：Determine that at least two portable concern visual angles obtain the common concern visual angle of equipment；
Step 210：Obtain the corresponding first concern visual angle of at least two video capture devices；
Step 220：Corresponding first concern visual angle at least two video capture devices is met with common concern visual angle The video capture device of condition, as target video collecting device；
Step 230：The video that target video collecting device is gathered is played out.
In this scenario, according to common concern visual angle and the first concern visual angle, selected from least two video capture devices Select out target video collecting device, it is not necessary to target video collection is manually selected from least two video capture devices and is set It is standby, this improves the accuracy for the target video collecting device selected, and then improve play quality.
The executive agent of step 200-230 has a variety of, is illustrated below by taking master server as an example.
In the embodiment of the present invention, portable concern visual angle, which obtains equipment, diversified forms, for example, can be, intelligent glasses (such as Google glass) is as shown in Figure 2 B, intelligent helmet, personal direction position indicator, the hand-portable that is shot towards some direction set It is standby, of course, it is also possible to be other forms, above-mentioned several forms are not limited to, are no longer described in detail one by one herein.
Wherein, intelligent glasses have the function of as smart mobile phone, can realize that control is taken pictures, regarded by sound Direction is conversed and distinguished to frequency, and surfs the web, handles the functions such as text information and Email.
In the embodiment of the present invention, master server is determining the common concern of at least two portable concern visual angles acquisition equipment Before visual angle, each portable concern visual angle that at least two portable concern visual angles are obtained in equipment obtain equipment be intended to Master server is registered, and after at portable concern visual angle, acquisition equipment is registered to master server, portable concern visual angle is obtained Taking equipment can determine that at least two portable concern visual angles obtain the common concern visual angle of equipment.
In the embodiment of the present invention, portable concern visual angle obtain equipment to master server registered when, can pass through WIFI (Wireless Fidelity, Wireless Fidelity) is registered, and can also be registered by bluetooth, can also pass through NFC (Near Field Communication, the short distance wireless communication technology) is registered, it is of course also possible to by other means Registered, be not limited to above-mentioned several registration forms, be no longer described in detail one by one herein.In the embodiment of the present invention, obtain Can be that video capture device be reported to master server in real time during the first concern visual angle, alternatively, in order to avoid the wasting of resources, depending on Frequency collecting device can also be by the way of periodicity reports.
Described the first concern visual angle corresponding with video capture device refers to the video acquisition in the embodiment of the present invention The angle that equipment can be shot in the case where being presently in position and not rotating.For example, there are two video capture devices, video The angle that collecting device 1 can be shot is 30 ° -120 °, and the angle that video capture device 2 can be shot is 80 ° -160 °.
In the embodiment of the present invention, corresponding first concern visual angle at least two video capture devices is regarded with common concern Angle meets the video capture device of condition, and the mode as target video collecting device has a variety of, optionally, can use as follows Mode：
Calculate the first visual angle vector at common concern visual angle；
Any one video capture device in at least two video capture devices, performs respectively：
According to the corresponding first concern visual angle of any one video capture device, any one regard is calculated according to the first concern visual angle The corresponding second visual angle vector of frequency collecting device；
The the second visual angle arrow for meeting the first preset condition with the first visual angle vector is selected from the vector of all second visual angles Amount；
Adopted with meeting the video capture device corresponding to the second visual angle vector of the first preset condition as target video Collect equipment.
In the embodiment of the present invention, visual angle vector is for characterizing corresponding concern visual angle, due to simply knowing concern angle It is not know corresponding concern direction if degree, and if characterizing concern visual angle with visual angle vector, not only it is known that closing Note angle is how many, it can also be seen that the direction of concern.
In the embodiment of the present invention, according to the corresponding first concern visual angle of any one video capture device, any one regard is calculated Before the corresponding second visual angle vector of frequency collecting device, following operation is further included：
Obtain the first geographical location information of any one video capture device；
At this time, according to the corresponding first concern visual angle of any one video capture device, calculate any one video acquisition and set , optionally, can be in the following way during standby corresponding second visual angle vector：
According to the first geographical location information and the first concern visual angle, calculate any one video capture device corresponding second and regard Angle vector.
In the embodiment of the present invention, selected from the vector of all second visual angles and meet preset condition with the first visual angle vector Before second visual angle vector, further include：
Calculate the absolute difference of each second visual angle vector and the first visual angle vector；
Minimal difference absolute value is selected from all absolute differences；
At this time, selected from the vector of all second visual angles and meet the second of the first preset condition with the first visual angle vector and regard , optionally, can be in the following way during the vector of angle：
By the second visual angle vector corresponding to the minimal difference absolute value selected, as meeting the of the first preset condition Two visual angle vectors.
Such as：10 the second visual angle vectors are shared, calculate each second visual angle vector and the first visual angle vector difference, so The absolute value of difference is taken afterwards, obtains absolute difference, and 10 absolute differences are obtained：Absolute difference 1, absolute difference 2, Absolute difference 3, absolute difference 4, absolute difference 5, absolute difference 6, absolute difference 7, absolute difference 8, difference Absolute value 9, absolute difference 10, if absolute difference 8 is minimum value in above-mentioned 10 absolute differences, at this point it is possible to by difference It is worth the second visual angle vector corresponding to absolute value 8, as the second visual angle vector for meeting the first preset condition.
Certainly, if minimal difference absolute value have it is multiple if, can be by corresponding to any one minimal difference absolute value The second visual angle vector, as the second visual angle vector for meeting the first preset condition.
It is above-mentioned to tell about, directly select minimal difference absolute value from all absolute differences, and will select The second visual angle vector corresponding to minimal difference absolute value, as the second visual angle vector for meeting the first preset condition, certainly, Can be that the target lookup absolute value for meeting the second preset condition is selected from all absolute differences；Then, from goal discrepancy Minimal difference absolute value is selected in value absolute value, therefore, in the embodiment of the present invention, is selected from the vector of all second visual angles Before meeting the second visual angle vector of the first preset condition with the first visual angle vector, following operation is further included：
Calculate the absolute difference of each second visual angle vector and the first visual angle vector；
The target difference absolute value for meeting the second preset condition is selected from all absolute differences；
Minimal difference absolute value is selected from target difference absolute value；
At this time, selected from the vector of all second visual angles and meet the second of the first preset condition with the first visual angle vector and regard , optionally, can be in the following way during the vector of angle：
By the second visual angle vector corresponding to the minimal difference absolute value selected, as meeting the of the first preset condition Two visual angle vectors.
Such as：10 the second visual angle vectors are shared, calculate each second visual angle vector and the first visual angle vector difference, so The absolute value of difference is taken afterwards, obtains absolute difference, and 10 absolute differences are obtained：Absolute difference 1, absolute difference 2, Absolute difference 3, absolute difference 4, absolute difference 5, absolute difference 6, absolute difference 7, absolute difference 8, difference Absolute value 9, absolute difference 10, if the absolute difference for meeting the second preset condition in above-mentioned 10 absolute differences is：Difference Value absolute value 1, absolute difference 2, absolute difference 3, absolute difference 4, absolute difference 5, absolute difference 6, above-mentioned 6 Minimal difference absolute value in absolute difference is absolute difference 4, at this point it is possible to by second corresponding to absolute difference 4 Visual angle vector, as the second visual angle vector for meeting the first preset condition.
Certainly, the minimal difference absolute value selected from target difference absolute value may also have it is multiple, at this point it is possible to will The second visual angle vector corresponding to any one minimal difference absolute value in multiple minimal difference absolute values, it is pre- as meeting first If the second visual angle vector of condition.
In this scheme, if selecting the target difference for meeting the second preset condition exhausted from all absolute differences During to value, if there is no the target difference absolute value for meeting the second preset condition, and portable concern visual angle obtains If equipment also possesses the function of video acquisition, it can be obtained from portable concern visual angle in equipment and select target portable pass Angle of direction obtains equipment, is obtained from portable concern visual angle and the side that target portable concern visual angle obtains equipment is selected in equipment Selected in method, with video capture device target video collecting device method class this, be no longer described in detail one by one herein.
Further, set if portable concern visual angle obtains also to obtain there is no target portable concern visual angle in equipment If standby, at this point it is possible to which the video gathered using the video capture device of panoramic viewing angle collection video is played out.
In the embodiment of the present invention, when the video that target video collecting device is gathered is played out, target video , can in order to improve the quality of the video of broadcasting there are difference between the current concern visual angle of collecting device and common concern visual angle According to the current concern visual angle of target video collecting device and jointly between concern visual angle there are difference, to be gathered to target video The concern visual angle of equipment is adjusted.
It should be noted that the common concern visual angle that at least two portable concern visual angles obtain equipment is not unalterable , it may occur that change, when concern visual angle changes jointly, will reselect target video collecting device, weight The mode and the selection mode phase of the selection target video capture device of step 200-230 of new selection target video capture device Together, no longer it is described in detail one by one herein.
For example, common concern visual angle definite at the beginning is common concern visual angle 1, according to common concern visual angle 1 using step The mode of the selection target video capture device of rapid 200-230 descriptions, selects target video collecting device and is adopted for target video Collect equipment 1, and the video that target video collecting device 1 is gathered plays out, with the change of scene, common concern regards Angle may be changed to pay close attention to visual angle 2 jointly, as shown in Figure 2 C, shown in Fig. 2 D, at this time, step be used according to common concern visual angle 2 The mode of the selection target video capture device of 200-230 descriptions, selects target video collecting device and is gathered for target video Equipment 2, and the video that target video collecting device 2 is gathered plays out.
In the embodiment of the present invention, calculate the mode of the first visual angle vector at common concern visual angle have it is a variety of, optionally, can be with In the following way：
Any one portable concern visual angle obtained at least two portable concern visual angles in equipment obtains equipment, point Do not perform：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment and the second geographical location；
Any one portable concern visual angle is calculated according to the second concern visual angle and the second geographical location and obtains the 3rd of equipment Visual angle vector；
The first visual angle vector using the average value of the 3rd all visual angle vectors as common concern visual angle.
In the embodiment of the present invention, master server obtains any one portable concern visual angle and obtains corresponding second concern of equipment , can be by WIFI modes when visual angle and the second geographical location, can be by bluetooth approach, it is of course also possible to pass through NFC side Formula, it's not limited to that certainly, is no longer described in detail one by one herein.
In the embodiment of the present invention, master server obtains any one portable concern visual angle and obtains corresponding second concern of equipment When visual angle and the second geographical location, it can be to obtain in real time, can also periodically obtain, it is, of course, also possible to be other acquisitions Mode, is no longer described in detail one by one herein.
It should be noted that described at least two portable concern visual angle obtains the common pass of equipment in the embodiment of the present invention Angle of direction refers to that at least two portable concern visual angles obtain the average value at each the second concern visual angle in equipment, example Such as, 50 intelligent glasses are shared, are divided into five class intelligent glasses：First kind intelligent terminal, the second class intelligent terminal, three classes intelligence Terminal, the 4th class intelligent terminal and the 5th class intelligent terminal, for first kind intelligent terminal, the common concern of such intelligent terminal The average value at the second concern visual angle of each intelligent terminal that visual angle includes for first kind intelligent terminal；For the second class intelligence eventually End, the common concern visual angle of such intelligent terminal is the second concern visual angle of each intelligent terminal that the second class intelligent terminal includes Friendship average value；For three classes intelligent terminal, the common concern visual angle of such intelligent terminal includes for three classes intelligent terminal Each intelligent terminal second concern visual angle average value；For the 4th class intelligent terminal, the common pass of such intelligent terminal The average value at the second concern visual angle of each intelligent terminal that angle of direction includes for the 4th class intelligent terminal；For the 5th class intelligence Terminal, common the second concern for paying close attention to each intelligent terminal that visual angle includes for the 5th class intelligent terminal of such intelligent terminal regard The average value at angle.
Foregoing description, only exists the situation at a common concern visual angle, certainly, in practical applications, it is also possible to same When there are multiple common concern visual angles, as shown in Figure 2 E, there are two personnels participating in the meeting debating actively, there is groups of people's concern Disputant 1, has groups of people to pay close attention to disputant 2, then the concern visual angle for paying close attention to disputant 1 is common concern visual angle 1, pays close attention to disputant 2 concern visual angle is common concern visual angle 2.
In another example sharing 10 people in classroom, this 10 have on intelligent glasses per capita, have 8 people to be seen towards teacher, this 8 People has 2 people to see backwards, there are a common concern visual angle by this 2 people there are a common concern visual angle.Therefore, it is of the invention In embodiment, before determining the common concern visual angle that at least two portable concern visual angles obtain equipment, following operation is further included：
At least two portable concern visual angles obtained into equipment be divided into the portable concern visual angle of N classes and obtain equipment, N be more than Or the integer equal to 2；
At this time, determine that at least two portable concern visual angles obtain the mode at the common concern visual angle of equipment, optionally, can With in the following way：
It is corresponding common to calculate the portable concern visual angle acquisition equipment per one kind that the portable concern visual angle of N classes is obtained in equipment With concern visual angle, N number of common concern visual angle is obtained.
Such as：10 people are shared in classroom, this 10 have on intelligent glasses per capita, there are 8 people to be seen towards teacher, there are 2 people See backwards, therefore, this 10 intelligent glasses are divided into two classes, first kind intelligent glasses are concern Brilliant Eyes of the visual angle towards teacher Mirror, the second class intelligent glasses are the concern rearward-facing intelligent glasses in visual angle, then, one are determined for first kind intelligent glasses First common concern visual angle, determines one second common concern visual angle for the second class intelligent glasses, calculates the first concern jointly The mode at visual angle is paid close attention in the mode at visual angle and calculating second jointly, when paying close attention to visual angle jointly with above-mentioned only one told about The mode for calculating common concern visual angle is the same, is no longer described in detail herein.
That is, no matter jointly concern visual angle has one or has multiple, calculating the mode at common concern visual angle is Similar.
Such as：10 people are shared in classroom, this 10 have on intelligent glasses per capita, this 10 per capita towards teacher, then this When there was only a common concern visual angle, this common concern visual angle is calculated i.e. according to the concern visual angle of this 10 intelligent glasses Can, if there are 8 people to be seen towards teacher in this 10 people, there are 2 people to see backwards, then the Brilliant Eyes being had on towards 8 people that teacher sees Mirror can form one first common concern visual angle, and the intelligent glasses that 2 people seen backwards have on can form one second and be total to With concern visual angle, then the first common concern visual angle is calculated according to the concern visual angle of 8 intelligent glasses, according to 2 intelligent glasses Concern visual angle calculate the second common concern visual angle.Wherein, the first concern visual angle and concern jointly of calculating second jointly is calculated The mode at visual angle, with the concern visual angle according to 10 intelligent glasses come to count the mode at a common concern visual angle be similar.
In the embodiment of the present invention, after portable concern visual angle acquisition equipment is divided into N classes, for every portable concern of one kind Visual angle, which obtains equipment, can all be calculated a concern visual angle jointly, N number of common concern visual angle be obtained, for each common pass Angle of direction, selects a target video collecting device, then, corresponding for different common concern visual angles, use Target video collecting device carries out video acquisition and plays, therefore, in the embodiment of the present invention, by least two video capture devices In corresponding first concern visual angle meet the video capture device of condition with common concern visual angle, set as target video collection It is standby, can be in the following way：
The portable concern visual angle of any type obtained for the portable concern visual angle of N classes in equipment obtains equipment, respectively Perform：
Corresponding first concern visual angle at least two video capture devices is obtained with the portable concern visual angle of any type The common concern visual angle of taking equipment meets the video capture device of condition, is obtained as the portable concern visual angle of any type The first object video capture device target video collecting device of equipment includes first object video capture device.
It should be noted that the target video collecting device selected for the portable concern visual angle acquisition equipment of every one kind It may be the same or different.
Such as：Meeting-place shares 50 people and has on intelligent glasses, this 50 intelligent glasses fall into 5 types, and intelligent glasses 1-10 is First kind intelligent glasses, intelligent glasses 11-20 are the second class intelligent glasses, and intelligent glasses 21-30 is three classes intelligent glasses, intelligence Can glasses 31-40 be the 4th class intelligent glasses, intelligent glasses 41-50 is the 5th class intelligent glasses, for first kind intelligent glasses, Determine to pay close attention to visual angle 1 jointly, and target video collecting device 1 is selected according to common concern visual angle 1；For the second class intelligence Glasses, determine to pay close attention to visual angle 2 jointly, and select target video collecting device 2 according to common concern visual angle 2；For the 3rd Class intelligent glasses, determine to pay close attention to visual angle 3 jointly, and select target video collecting device 3 according to common concern visual angle 3；Pin To the 4th class intelligent glasses, determine to pay close attention to visual angle 4 jointly, and target video collection is selected according to common concern visual angle 4 and is set Standby 4；For the 5th class intelligent glasses, determine to pay close attention to visual angle 5 jointly, and target video is selected according to common concern visual angle 5 Collecting device 5.
Wherein, target video collecting device 1, target video collecting device 2, target video collecting device 3, target video are adopted Any two target video collecting device in collection equipment 4, target video collecting device 5 may be the same or different.This hair In bright embodiment, if multiple first object video capture devices, video that target video collecting device is gathered The method played out have it is a variety of, optionally, can be in the following way：
The video summary that all first object video capture devices are gathered plays out for a splicing picture；Or
The video that all first object video capture devices are gathered is played out respectively.
In the embodiment of the present invention, due to the limited amount of video capture device, and certain a kind of portable concern visual angle obtains The portable concern visual angle that equipment includes obtains the negligible amounts of equipment, at this point it is possible to not regarded to the portable concern included This kind of portable concern visual angle that angle obtains the negligible amounts of equipment obtains equipment, selects video capture device, therefore, will at least Corresponding first concern visual angle obtains the common pass of equipment with the portable concern visual angle of any type in two video capture devices Angle of direction meets the video capture device of condition, before first object video capture device, further includes as follows：
Determine that the portable concern visual angle of any type obtains the number for the portable concern visual angle acquisition equipment that equipment includes Amount is more than default number threshold value.
For example, sharing 60 portable concern visual angles obtains equipment, it is divided into three classes, the portable concern visual angle of the first kind obtains Equipment includes 28 portable concern visual angles and obtains equipment, and it is portable including 29 that the portable concern visual angle of the second class obtains equipment To pay close attention to visual angle and obtain equipment, the portable concern visual angle of three classes, which obtains equipment, includes 3 portable concern visual angles acquisition equipment, and Two video capture devices are shared at this time, the portable concern visual angle included due to the portable concern visual angle acquisition equipment of three classes The negligible amounts of equipment are obtained, therefore, the portable concern visual angle of three classes can not be given to obtain equipment selection video capture device.
In the embodiment of the present invention, at least two portable concern visual angles are obtained into equipment and are divided into the portable concern visual angle of N classes Obtain equipment mode have it is a variety of, optionally, can be in the following way：
At least two portable concern visual angles are obtained into equipment according to preset rules and are divided into the portable concern visual angle of two classes Obtain equipment；
The portable concern visual angle of any type obtained for the portable concern visual angle of two classes in equipment obtains equipment, judges Whether can continue to be divided into the portable concern visual angle acquisition equipment of two classes according to preset rules, if so, will according to preset rules The portable concern visual angle of any type obtains equipment and is divided into the portable concern visual angle acquisition equipment of two classes, is obtained for division The portable concern visual angle of any type that the portable concern visual angle of two classes is obtained in equipment obtains equipment, returns to judgment step, no Then, division is stopped.
Such as：60 intelligent glasses are shared, are divided into two class intelligent glasses for the first time：First kind intelligent glasses and the second class Intelligent glasses, then, for first kind intelligent glasses, judge whether to divide, due to judging can to continue to be divided into two Therefore first kind intelligent glasses, are divided into three classes intelligent glasses and the 4th class intelligent glasses by class, and the second class intelligent glasses Judging to divide to divide, and therefore, stop division, sentence for three classes intelligent glasses and the 4th class intelligent glasses Break and to continue to divide, therefore, stopping continues to divide, and finally obtains three classes intelligent glasses, i.e. the second class intelligent glasses, the 3rd Class intelligent glasses and the 4th class intelligent glasses.
The above is cannot to continue to divide with the second class intelligent glasses, three classes intelligent glasses and the 4th class intelligent glasses, Finally obtain and illustrate exemplified by three classes intelligent glasses, certainly, in practical application, can also continue to divide, but be to continue with dividing Mode it is similar with the above process, be no longer described in detail herein.
In the embodiment of the present invention, at least two portable concern visual angles are obtained into equipment according to preset rules and are divided into two classes When portable concern visual angle obtains equipment, there are various ways, optionally, can be in the following way：
Any one the portable concern visual angle obtained at least two portable concern visual angles in equipment obtains equipment, Perform respectively：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment；
Visual angle difference is determined according to the second concern visual angle and common concern visual angle；
If visual angle difference is more than default visual angle threshold value, it is portable that portable concern visual angle acquisition equipment is divided into the first kind Formula concern visual angle obtains equipment；If visual angle difference is less than default visual angle threshold value, portable concern visual angle is obtained into equipment division Equipment is obtained for the portable concern visual angle of the second class.
Wherein, determine that visual angle difference can use equation below to carry out really according to the second concern visual angle and common concern visual angle It is fixed：
Wherein, vCommon concern visual angleFor the first visual angle vector at common concern visual angle；
vSecond concern visual angleFor the 3rd visual angle vector at the second concern visual angle；
θ determines visual angle difference for the second concern visual angle and common concern visual angle.
The calculation of the first visual angle vector at common concern visual angle is no longer described in detail already described above herein, The calculation of the 3rd visual angle vector at the second concern visual angle is no longer described in detail already described above herein.
It should be noted that when division for certain a kind of portable concern visual angle acquisition equipment, in formula one VCommon concern visual angleThe first visual angle vector at the common concern visual angle of equipment is obtained for this kind of portable concern visual angle.
For example, sharing 10 intelligent glasses, two class intelligent glasses are divided into for the first time, obtain first kind intelligent glasses and Two class intelligent glasses, when dividing first time, vCommon concern visual angleThe of the common concern visual angle formed for this 10 intelligent glasses One visual angle vector, when dividing for second, will divide first kind intelligent glasses, at this time, vCommon concern visual angleFor the first kind The first visual angle vector at the common concern visual angle that intelligent glasses are formed, similarly, when division to the second class intelligent glasses, At this time, vCommon concern visual angleThe first visual angle vector at the common concern visual angle formed for the second class intelligent glasses, if first kind intelligent glasses Three classes intelligent glasses and the 4th class intelligent glasses are divided into again, when division for three classes intelligent glasses, vCommon concern visual angleFor The first visual angle vector at the common concern visual angle that three classes intelligent glasses are formed, similarly, for the division of the 4th class intelligent glasses When, vCommon concern visual angleThe first visual angle vector at the common concern visual angle formed for the 4th class intelligent glasses, of course, it is also possible to continue Division, but dividing mode is similar, is no longer described in detail herein.
In the embodiment of the present invention, there is no unified common concern visual angle under some scenes, for example, before meeting starts, At this point it is possible to gather video using panoramic viewing angle, and playing, panoramic viewing angle can also be called god visual angle, such as：
If N is more than each in default selection video capture device threshold value, or the portable concern visual angle acquisition equipment of N classes The portable concern visual angle that the portable concern visual angle of class obtains equipment and includes obtains the quantity of equipment respectively less than or equal to default Number threshold value, the video gathered using the video capture device of panoramic viewing angle collection video is played out, such as Fig. 2 F institutes Show.
The present invention is implemented in, and concern visual angle can be a concern visual angle in two dimensional range or one A concern visual angle in three-dimensional or three-dimensional range above.
Embodiment for a better understanding of the present invention, is given below concrete application scene, for the process of video playing, into Row citing description, as shown in Figure 3：
Step 300：50 intelligent glasses are fallen into 5 types：First kind intelligent glasses, the second class intelligent glasses, three classes intelligence Can glasses, the 4th class intelligent glasses, the 5th class intelligent glasses；
Step 310：For first kind intelligent glasses, the common concern visual angle 1 of first kind intelligent glasses is determined, and calculate Go out the first visual angle vector 1 at common concern visual angle 1；
Step 320：For any one video capture device in 5 video capture devices, perform respectively：According to any one The corresponding first concern visual angle of video capture device, any one video capture device corresponding the is calculated according to the first concern visual angle Two visual angle vectors, obtain 5 the second visual angle vectors；
Step 330：It is minimum value to be selected from 5 the second visual angle vectors with the absolute difference of the first visual angle vector Second visual angle vector；
The the second visual angle vector determined in the step is the second visual angle vector 1；
Step 340：Using the video capture device corresponding to the second visual angle vector 1 as target video collecting device；
The target video collecting device determined in the step is video capture device 1.
Step 350：Judge whether all determine target video collecting device for 5 class intelligent glasses, if so, holding Row step 360, otherwise, performs step 310；
In this step, if if return to step 310, it is not meant to continue to determine to regard for the target of first kind intelligent glasses Frequency collecting device, but to determine that target video is adopted for that a kind of intelligent glasses for being not determined by target video collecting device Collect equipment, for example, when being not determined by the target video collecting device for the 4th class intelligent glasses and the 5th class intelligent glasses, return If returning step 310, the target video collecting device for the 4th class intelligent glasses or the 5th class intelligent glasses is determined.
Step 360：The video that the target complete video capture device determined is gathered is played out.
As shown in fig.4, in the embodiment of the present invention, a kind of device for playing video is proposed, which is applied to exist extremely Few two portable concern visual angles, which obtain equipment and the scene of at least two video capture devices, the device, includes determination unit 40th, acquiring unit 41 and broadcast unit 42, wherein
Determination unit 40, for determining that at least two portable concern visual angles obtain the common concern visual angle of equipment；
Acquiring unit 41, for obtaining the corresponding first concern visual angle of at least two video capture devices；
Determination unit 40 is additionally operable to, by corresponding first concern visual angle at least two video capture devices and common concern Visual angle meets the video capture device of condition, as target video collecting device；
Broadcast unit 42, the video for target video collecting device to be gathered play out.
In the embodiment of the present invention, optionally, determination unit 40 is closed at least two video capture devices corresponding first Angle of direction meets the video capture device of condition with common concern visual angle, as target video collecting device, is specially：
Calculate the first visual angle vector at common concern visual angle；
For any one video capture device at least two video capture devices, perform respectively：
According to the corresponding first concern visual angle of any one video capture device, it is corresponding to calculate any one video capture device Second visual angle vector；
The the second visual angle arrow for meeting the first preset condition with the first visual angle vector is selected from the vector of all second visual angles Amount；
Adopted with meeting the video capture device corresponding to the second visual angle vector of the first preset condition as target video Collect equipment.
In the embodiment of the present invention, further, acquiring unit 41, is additionally operable to obtain the first of any one video capture device Geographical location information；
Determination unit 40 calculates any one video acquisition according to the corresponding first concern visual angle of any one video capture device The corresponding second visual angle vector of equipment, is specially：
According to the first geographical location information and the first concern visual angle, calculate any one video capture device corresponding second and regard Angle vector.
In the embodiment of the present invention, further, determination unit 40 is additionally operable to：
Calculate the absolute difference of each second visual angle vector and the first visual angle vector；
Minimal difference absolute value is selected from all absolute differences；
Determination unit 40 is selected from the vector of all second visual angles meets the first preset condition with the first visual angle vector Second visual angle vector, is specially：
By the second visual angle vector corresponding to the minimal difference absolute value selected, as meeting the of the first preset condition Two visual angle vectors.
In the embodiment of the present invention, further, determination unit 40 is additionally operable to：
Calculate the absolute difference of each second visual angle vector and the first visual angle vector；
The target difference absolute value for meeting the second preset condition is selected from all absolute differences；
Minimal difference absolute value is selected from target difference absolute value；
Determination unit 40 is selected from the vector of all second visual angles meets the first preset condition with the first visual angle vector Second visual angle vector, is specially：
By the second visual angle vector corresponding to the minimal difference absolute value selected, as meeting the of the first preset condition Two visual angle vectors.
In the embodiment of the present invention, optionally, determination unit 40 calculates the first visual angle vector at common concern visual angle, specifically For：
Any one portable concern visual angle obtained at least two portable concern visual angles in equipment obtains equipment, point Do not perform：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment and the second geographical location；
Any one portable concern visual angle is calculated according to the second concern visual angle and the second geographical location and obtains the 3rd of equipment Visual angle vector；
The first visual angle vector using the average value of the 3rd all visual angle vectors as common concern visual angle.
In the embodiment of the present invention, further, division unit 43 is further included, is used for：At least two portable concerns are regarded Angle obtains equipment and is divided into the portable concern visual angle acquisition equipment of N classes, and N is the integer more than or equal to 2；
Determination unit 40 determines that at least two portable concern visual angles obtain the common concern visual angle of equipment, is specially：
It is corresponding common to calculate the portable concern visual angle acquisition equipment per one kind that the portable concern visual angle of N classes is obtained in equipment With concern visual angle, N number of common concern visual angle is obtained.
In the embodiment of the present invention, optionally, determination unit 40 is closed at least two video capture devices corresponding first Angle of direction meets the video capture device of condition with common concern visual angle, as target video collecting device, is specially：
The portable concern visual angle of any type obtained for the portable concern visual angle of N classes in equipment obtains equipment, respectively Perform：
Corresponding first concern visual angle at least two video capture devices is obtained with the portable concern visual angle of any type The common concern visual angle of taking equipment meets the video capture device of condition, is obtained as the portable concern visual angle of any type The first object video capture device of equipment, target video collecting device include first object video capture device.
In the embodiment of the present invention, optionally, broadcast unit 42 is specifically used for：
The video summary that all first object video capture devices are gathered plays out for a splicing picture；Or
The video that all first object video capture devices are gathered is played out respectively.
In the embodiment of the present invention, further, determination unit 40 is additionally operable to：
Determine that the portable concern visual angle of any type obtains the number for the portable concern visual angle acquisition equipment that equipment includes Amount is more than default number threshold value.
In the embodiment of the present invention, optionally, division unit is specifically used for：
At least two portable concern visual angles are obtained into equipment according to preset rules and are divided into the portable concern visual angle of two classes Obtain equipment；
The portable concern visual angle of any type obtained for the portable concern visual angle of two classes in equipment obtains equipment, judges Whether can continue to be divided into the portable concern visual angle acquisition equipment of two classes according to preset rules, if so, will according to preset rules The portable concern visual angle of any type obtains equipment and is divided into the portable concern visual angle acquisition equipment of two classes, is obtained for division The portable concern visual angle of any type that the portable concern visual angle of two classes is obtained in equipment obtains equipment, returns to judgment step, no Then, division is stopped.
In the embodiment of the present invention, optionally, division unit obtains at least two portable concern visual angles according to preset rules Taking equipment is divided into the portable concern visual angle of two classes and obtains equipment, is specially：
Any one the portable concern visual angle obtained at least two portable concern visual angles in equipment obtains equipment, Perform respectively：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment；
Visual angle difference is determined according to the second concern visual angle and common concern visual angle；
If visual angle difference is more than default visual angle threshold value, it is portable that portable concern visual angle acquisition equipment is divided into the first kind Formula concern visual angle obtains equipment；If visual angle difference is less than default visual angle threshold value, portable concern visual angle is obtained into equipment division Equipment is obtained for the portable concern visual angle of the second class.
In the embodiment of the present invention, further, broadcast unit 42 is additionally operable to：
If N is more than each in default selection video capture device threshold value, or the portable concern visual angle acquisition equipment of N classes The portable concern visual angle that the portable concern visual angle of class obtains equipment and includes obtains the quantity of equipment respectively less than or equal to default Number threshold value, the video gathered using the video capture device of panoramic viewing angle collection video is played out.
As shown in figure 5, another structural representation for 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 used for realization the connection between said modules and communication, communication interface 504 be used for it is outer Portion's equipment is connected and communicated.
Wherein, memory 503 is used to be stored with executable program code, and processor 501 is by performing these programs generation Code, for：
Determine that at least two portable concern visual angles obtain the common concern visual angle of equipment；
Obtain the corresponding first concern visual angle of at least two video capture devices；
Corresponding first concern visual angle at least two video capture devices is met into regarding for condition with common concern visual angle Frequency collecting device, as target video collecting device；
The video that target video collecting device is gathered is played out.
It should be noted that processor 501 be additionally operable to perform Fig. 4 shown in determination unit 40, acquiring unit 41, play Other operations performed by unit 42 and division unit 43, are no longer described in detail herein.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram The combination of flow and/or square frame in journey and/or square frame and flowchart and/or the block diagram.These computer programs can be provided The processors of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices, which produces, to be used in fact Present one flow of flow chart or one square frame of multiple flows and/or block diagram or the device of the function in multiple square frames.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or Function in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or The instruction performed on other programmable devices is provided and is used for realization in one flow of flow chart or multiple flows and/or block diagram one The step of function in a square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent Select embodiment and fall into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out the embodiment of the present invention various modification and variations without departing from this hair 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 comprising including these modification and variations.

Claims (22)

1. a kind of method for playing video, applied to there are at least two portable concern visual angles acquisition equipment and at least two to regard The scene of frequency collecting device, it is characterised in that including：
Determine that described at least two portable concern visual angles obtain the common concern visual angle of equipment；
Obtain the corresponding first concern visual angle of at least two video capture device；
Corresponding first concern visual angle at least two video capture device and the common concern visual angle are met into condition Video capture device, as target video collecting device；Specifically include：Calculate the first visual angle arrow at the common concern visual angle Amount；For any one video capture device at least two video capture device, perform respectively：According to described any one The corresponding first concern visual angle of video capture device, calculates the corresponding second visual angle vector of any one video capture device； Calculate the absolute difference of each second visual angle vector and first visual angle vector；Selected from all absolute differences Minimal difference absolute value；It is default as meeting first by the second visual angle vector corresponding to the minimal difference absolute value selected Second visual angle vector of condition；By with meeting the video capture device corresponding to the second visual angle vector of first preset condition As target video collecting device；
The video that the target video collecting device is gathered is played out.
2. the method as described in claim 1, it is characterised in that closed according to any one video capture device corresponding first Angle of direction, before calculating the corresponding second visual angle vector of any one video capture device, further includes：
Obtain the first geographical location information of any one video capture device；
Visual angle is paid close attention to according to any one video capture device corresponding first, calculates any one video capture device pair The the second visual angle vector answered, including：
According to first geographical location information and the first concern visual angle, calculate any one video capture device and correspond to The second visual angle vector.
3. the method as described in claim 1, it is characterised in that it is absolute from all absolute differences to select minimal difference Value, including：
The target difference absolute value for meeting the second preset condition is selected from all absolute differences；
Minimal difference absolute value is selected from the target difference absolute value.
4. such as claim 1-3 any one of them methods, it is characterised in that calculate first visual angle at the common concern visual angle Vector, including：
Any one portable concern visual angle obtained for described at least two portable concern visual angles in equipment obtains equipment, point Do not perform：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment and the second geographical location；
Any one portable concern visual angle acquisition is calculated according to the described second concern visual angle and second geographical location to set The 3rd standby visual angle vector；
The first visual angle vector using the average value of the 3rd all visual angle vectors as the common concern visual angle.
5. such as claim 1-3 any one of them methods, it is characterised in that determine described at least two portable concern visual angles Before the common concern visual angle for obtaining equipment, further include：
Described at least two portable concern visual angles obtained into equipment be divided into the portable concern visual angle of N classes and obtain equipment, N be more than Or the integer equal to 2；
Determine that described at least two portable concern visual angles obtain the common concern visual angle of equipment, including：
It is corresponding common to calculate the portable concern visual angle acquisition equipment per one kind that the portable concern visual angle of the N classes is obtained in equipment With concern visual angle, N number of common concern visual angle is obtained.
6. method as claimed in claim 5, it is characterised in that by corresponding first at least two video capture device Concern visual angle meets the video capture device of condition with the common concern visual angle, as target video collecting device, including：
The portable concern visual angle of any type obtained for the portable concern visual angle of the N classes in equipment obtains equipment, respectively Perform：
Corresponding first concern visual angle at least two video capture device is regarded with the portable concern of any type Angle obtains the common video capture device paid close attention to visual angle and meet condition of equipment, as the portable concern of any type Visual angle obtains the first object video capture device of equipment, and the target video collecting device is adopted including the first object video Collect equipment.
7. method as claimed in claim 6, it is characterised in that the video for being gathered the target video collecting device carries out Play, including：
The video summary that all first object video capture devices are gathered plays out for a splicing picture；Or
The video that all first object video capture devices are gathered is played out respectively.
8. method as claimed in claim 6, it is characterised in that by corresponding first at least two video capture device Concern visual angle obtains the common video acquisition paid close attention to visual angle and meet condition of equipment with the portable concern visual angle of any type Equipment, before first object video capture device, further includes：
Determine that the portable concern visual angle of any type obtains the number for the portable concern visual angle acquisition equipment that equipment includes Amount is more than default number threshold value.
9. method as claimed in claim 5, it is characterised in that described at least two portable concern visual angles are obtained into equipment point Equipment is obtained for the portable concern visual angle of N classes, including：
Described at least two portable concern visual angles are obtained into equipment according to preset rules and are divided into the portable concern visual angle of two classes Obtain equipment；
The portable concern visual angle of any type obtained for the portable concern visual angle of two class in equipment obtains equipment, judges Whether can continue to be divided into the portable concern visual angle acquisition equipment of two classes according to the preset rules, if so, according to described pre- If the portable concern visual angle of any type is obtained equipment and is divided into the portable concern visual angle acquisition equipment of two classes, pin by rule The portable concern visual angle of any type that the portable concern visual angle of two class obtained to division is obtained in equipment obtains equipment, Judgment step is returned, otherwise, stops division.
10. method as claimed in claim 9, it is characterised in that according to preset rules by described at least two portable concerns Visual angle obtains equipment and is divided into the portable concern visual angle acquisition equipment of two classes, including：
Any one the portable concern visual angle obtained for described at least two portable concern visual angles in equipment obtains equipment, Perform respectively：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment；
Visual angle difference is determined according to the described second concern visual angle and the common concern visual angle；
If the visual angle difference is more than default visual angle threshold value, the portable concern visual angle is obtained into equipment and is divided into the first kind Portable concern visual angle obtains equipment；If the visual angle difference is less than the default visual angle threshold value, by the portable concern Visual angle obtains equipment and is divided into the portable concern visual angle acquisition equipment of the second class.
11. method as claimed in claim 5, it is characterised in that the method further includes：
If the N is more than default selection video capture device threshold value, or the portable concern visual angle of the N classes is obtained in equipment The quantity that the portable concern visual angle that obtaining equipment per a kind of portable concern visual angle includes obtains equipment is respectively less than or is equal to Default number threshold value, the video gathered using the video capture device of panoramic viewing angle collection video is played out.
A kind of 12. device for playing video, applied to there are at least two portable concern visual angles acquisition equipment and at least two The scene of video capture device, it is characterised in that including：
Determination unit, for determining that described at least two portable concern visual angles obtain the common concern visual angle of equipment；
Acquiring unit, for obtaining the corresponding first concern visual angle of at least two video capture device；
The determination unit is additionally operable to, by least two video capture device it is corresponding first concern visual angle with it is described common Meet the video capture device of condition with concern visual angle, as target video collecting device；Specifically, the determination unit calculates The first visual angle vector at the common concern visual angle；For any one video acquisition at least two video capture device Equipment, performs respectively：Visual angle is paid close attention to according to any one video capture device corresponding first, calculates any one video The corresponding second visual angle vector of collecting device；The difference for calculating each the second visual angle vector and first visual angle vector is absolute Value；Minimal difference absolute value is selected from all absolute differences；By corresponding to the minimal difference absolute value selected Two visual angle vectors, as the second visual angle vector for meeting the first preset condition；By with meeting the second of first preset condition Video capture device corresponding to the vector of visual angle is as target video collecting device；
Broadcast unit, the video for the target video collecting device to be gathered play out.
13. device as claimed in claim 12, it is characterised in that the acquiring unit is additionally operable to, and obtains described any one regard First geographical location information of frequency collecting device；
The determination unit calculates described any one regard according to the corresponding first concern visual angle of any one video capture device The corresponding second visual angle vector of frequency collecting device, is specially：
According to first geographical location information and the first concern visual angle, calculate any one video capture device and correspond to The second visual angle vector.
14. device as claimed in claim 12, it is characterised in that the determination unit is additionally operable to：
The target difference absolute value for meeting the second preset condition is selected from all absolute differences；
Minimal difference absolute value is selected from the target difference absolute value.
15. such as claim 12-14 any one of them devices, it is characterised in that the determination unit calculates the common pass First visual angle vector of angle of direction, is specially：
Any one portable concern visual angle obtained for described at least two portable concern visual angles in equipment obtains equipment, point Do not perform：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment and the second geographical location；
Any one portable concern visual angle acquisition is calculated according to the described second concern visual angle and second geographical location to set The 3rd standby visual angle vector；
The first visual angle vector using the average value of the 3rd all visual angle vectors as the common concern visual angle.
16. such as claim 12-14 any one of them devices, it is characterised in that further include division unit, be used for：By described in At least two portable concern visual angles obtain equipment and are divided into the portable concern visual angle acquisition equipment of N classes, and N is more than or equal to 2 Integer；
The determination unit determines that described at least two portable concern visual angles obtain the common concern visual angle of equipment, is specially：
It is corresponding common to calculate the portable concern visual angle acquisition equipment per one kind that the portable concern visual angle of the N classes is obtained in equipment With concern visual angle, N number of common concern visual angle is obtained.
17. device as claimed in claim 16, it is characterised in that the determination unit sets at least two video acquisition Corresponding first concern visual angle meets the video capture device of condition with the common concern visual angle in standby, is adopted as target video Collect equipment, be specially：
The portable concern visual angle of any type obtained for the portable concern visual angle of the N classes in equipment obtains equipment, respectively Perform：
Corresponding first concern visual angle at least two video capture device is regarded with the portable concern of any type Angle obtains the common video capture device paid close attention to visual angle and meet condition of equipment, as the portable concern of any type Visual angle obtains the first object video capture device of equipment, and the target video collecting device is adopted including the first object video Collect equipment.
18. device as claimed in claim 17, it is characterised in that the broadcast unit is specifically used for：
The video summary that all first object video capture devices are gathered plays out for a splicing picture；Or
The video that all first object video capture devices are gathered is played out respectively.
19. device as claimed in claim 17, it is characterised in that the determination unit is additionally operable to：
Determine that the portable concern visual angle of any type obtains the number for the portable concern visual angle acquisition equipment that equipment includes Amount is more than default number threshold value.
20. device as claimed in claim 16, it is characterised in that the division unit is specifically used for：
Described at least two portable concern visual angles are obtained into equipment according to preset rules and are divided into the portable concern visual angle of two classes Obtain equipment；
The portable concern visual angle of any type obtained for the portable concern visual angle of two class in equipment obtains equipment, judges Whether can continue to be divided into the portable concern visual angle acquisition equipment of two classes according to the preset rules, if so, according to described pre- If the portable concern visual angle of any type is obtained equipment and is divided into the portable concern visual angle acquisition equipment of two classes, pin by rule The portable concern visual angle of any type that the portable concern visual angle of two class obtained to division is obtained in equipment obtains equipment, Judgment step is returned, otherwise, stops division.
21. device as claimed in claim 20, it is characterised in that the division unit is according to preset rules at least two by described in A portable concern visual angle obtains equipment and is divided into the portable concern visual angle acquisition equipment of two classes, is specially：
Any one the portable concern visual angle obtained for described at least two portable concern visual angles in equipment obtains equipment, Perform respectively：
Obtain any one portable concern visual angle and obtain the corresponding second concern visual angle of equipment；
Visual angle difference is determined according to the described second concern visual angle and the common concern visual angle；
If the visual angle difference is more than default visual angle threshold value, the portable concern visual angle is obtained into equipment and is divided into the first kind Portable concern visual angle obtains equipment；If the visual angle difference is less than the default visual angle threshold value, by the portable concern Visual angle obtains equipment and is divided into the portable concern visual angle acquisition equipment of the second class.
22. device as claimed in claim 16, it is characterised in that the broadcast unit is additionally operable to：
If the N is more than default selection video capture device threshold value, or the portable concern visual angle of the N classes is obtained in equipment The quantity that the portable concern visual angle that obtaining equipment per a kind of portable concern visual angle includes obtains equipment is respectively less than or is equal to Default number threshold value, the video gathered using the video capture device of panoramic viewing angle collection video is played out.
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