CN103281492A - Video picture switching method, video picture switching system, recording and broadcasting server and video recording and broadcasting system - Google Patents
Video picture switching method, video picture switching system, recording and broadcasting server and video recording and broadcasting system Download PDFInfo
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Abstract
The invention discloses a video picture switching method, a video picture switching system, a recording and broadcasting server and a video recording and broadcasting system which are used for switching video pictures for a speaker and a plurality of participants in the recording and broadcasting process of a meeting. The video picture switching method disclosed by the invention comprises the following steps that trigger conditions of switching a recorded and broadcast video picture into a close-shot video picture of the speaker or the participants are preset; when the trigger conditions are met, the recorded and broadcast video picture is switched into a current meeting place panoramic video picture, and a cloud platform camera is driven to carry out regulation to acquire the close-shot video picture of the speaker or the participants; after the cloud platform camera completes regulation, the recorded and broadcast video picture is switched back into a video picture shot by the cloud platform camera. According to the invention, by analyzing the behavior act of a target and calling different lenses to direct and broadcast, the effect of a shot video is close to a manual directing and broadcasting effect, transition junction between the lenses is more natural, and user experience is promoted.
Description
Technical field
The present invention relates to video recorded broadcast technical field, more specifically relate to video picture switching process, system, recorded broadcast server and video recording and broadcasting system.
Background technology
The existing intelligent-tracking that applies to multimedia education or intelligent recorded broadcast classroom is taken product, can analyze personage's behavior act in real time, thus control video camera mobile tracking photographic subjects and realize switching between a plurality of camera lenses.
Existing equipment on the market is unilaterally emphasized the accuracy of video analysis, is promoting seldom aspect user's experience.Record the video file poor effect of getting off, lack the transition end, it is many to rock camera lens, and camera lens is connected not nature of transition.Fig. 1 is the camera placement scheme of existing a kind of recording and broadcasting system for multi-media classroom, two monopod video cameras are set in multi-media classroom, monopod video camera CAM1 is used for following the tracks of the zone, dais, monopod video camera CAM2 is used for following the tracks of the student zone, it is the pursuit movement object that the camera lens of this scheme switches basic principle, switch to teacher's camera lens such as being a teacher when mobile, the student rises and switches to student's camera lens immediately.Because the camera lens that uses is few, strategy is simple, causes handoff procedure stiff, switches to the student from teacher, and it is lofty perhaps to switch to teacher's process from the student.
Summary of the invention
A kind of video picture switching process provided by the invention, system, recorded broadcast server and video recording and broadcasting system, analyze by the behavior act for target, call different camera lenses and come the instructor in broadcasting, make the video of shooting near manual instructor in broadcasting's effect, transition and linkage is more natural between camera lens.
For reaching above purpose, the invention provides a kind of video picture switching process, be used for the recorded broadcast of session process Switch Video picture a speaker and a plurality of participants, described video picture switching process comprises:
The default trigger condition that the recorded broadcast video pictures is switched to speaker or participant's close shot video pictures;
When satisfying described trigger condition, the recorded broadcast video pictures is switched to current meeting-place panoramic video picture, and drive the close shot video pictures that monopod video camera regulates to obtain this speaker or participant;
Described monopod video camera switches to the video pictures that this monopod video camera is taken with the recorded broadcast video pictures after regulating and finishing.
According to video picture switching process of the present invention, the default step that the recorded broadcast video pictures is switched to the trigger condition of speaker or participant's close shot video pictures comprises:
The default trigger condition that the recorded broadcast video pictures is switched to participant's close shot video pictures by speaker's close shot video pictures.
According to video picture switching process of the present invention, default the recorded broadcast video pictures is comprised by the step that speaker's close shot video pictures switches to the trigger condition of participant's close shot video pictures:
Obtain the position corresponding relation of participant and monopod video camera;
For each participant different toggle area is set according to described position corresponding relation;
The described toggle area whether each participant's video image is exceeded its correspondence then satisfies this trigger condition as described trigger condition if exceed.
According to video picture switching process of the present invention, obtain in the step of position corresponding relation of participant and monopod video camera, described position corresponding relation is specially:
In participant's panoramic video picture that described monopod video camera photographs, occupy the bigger described monopod video camera close together of target participant's distance of video pictures, it is far away to occupy the described monopod video camera distance of the bigger target participant's distance of video pictures.
According to video picture switching process of the present invention, be specially for the step that each participant arranges different toggle area according to described position corresponding relation:
Target participant's the toggle area that the described monopod video camera close together of distance is set is bigger, and the target participant's that the described monopod video camera distance of distance is far away toggle area is less.
According to video picture switching process of the present invention, described video picture switching process also comprises:
When the tracking target of described monopod video camera is lost or during system standby, described recorded broadcast video pictures switched to the picture that panoramic camera is taken.
The present invention is corresponding to provide a kind of video pictures switched system, is used for the recorded broadcast of session process Switch Video picture a speaker and a plurality of participants, and described video pictures switching device shifter comprises:
The trigger condition presetting module is used for presetting the trigger condition that video pictures switches to speaker or participant's close shot video pictures is looked in recorded broadcast;
The monopod video camera driver module when being used for satisfying described trigger condition, drives monopod video camera to obtain this speaker or participant's close shot video pictures.
The video pictures handover module when being used for satisfying described trigger condition, switches to current meeting-place panoramic video picture with the recorded broadcast video pictures; And be used for after described monopod video camera adjusting is finished, the recorded broadcast video pictures being switched to the video pictures that this monopod video camera is taken.
According to video pictures switched system of the present invention, described trigger condition presetting module also is used for the default trigger condition that the recorded broadcast video pictures is switched to participant's close shot video pictures by speaker's close shot video pictures.
According to video pictures switched system of the present invention, described trigger condition presetting module comprises:
Concern acquiring unit, be used for obtaining the position corresponding relation of participant and monopod video camera;
Toggle area arranges the unit, is used for for each participant different toggle area being set according to described position corresponding relation;
Trigger to start the unit being set, be used for described toggle area that whether video image with each participant exceed its correspondence as described trigger condition, then satisfy this trigger condition if exceed.
According to video pictures switched system of the present invention, described position corresponding relation is specially: in participant's panoramic video picture that described monopod video camera photographs, occupy the bigger described monopod video camera close together of target participant's distance of video pictures, it is far away to occupy the described monopod video camera distance of the bigger target participant's distance of video pictures.
According to video pictures switched system of the present invention, described toggle area arranges the unit, and also the toggle area with the target participant that the described monopod video camera close together of distance is set is bigger, and the toggle area that the described monopod video camera distance of distance target participant far away is set is less.
According to video pictures switched system of the present invention, described video pictures handover module also is used for losing or during system standby, described recorded broadcast video pictures being switched to the picture of panoramic camera shooting when the tracking target of described monopod video camera.
The present invention also provides a kind of recorded broadcast server that comprises above-mentioned video pictures switched system.
The present invention also provides a kind of video recording and broadcasting system, comprise at least one panoramic camera, at least one monopod video camera and above-mentioned recorded broadcast server, described recorded broadcast server is connected with described panoramic camera and described monopod video camera, described panoramic camera is used for obtaining the meeting-place panoramic video, and described monopod video camera is used for track up speaker and/or participant.
The present invention is by the default trigger condition that the recorded broadcast video pictures is switched to participant's close shot video pictures, when satisfying trigger condition, the recorded broadcast video pictures is switched to meeting-place panoramic video picture, and drive the close shot video pictures that monopod video camera regulates to obtain this speaker or participant; Monopod video camera switches to the video pictures that this monopod video camera is taken with the recorded broadcast video pictures after regulating and finishing.Because in the process that video pictures is switched to speaker or participant's close shot video pictures, monopod video camera need carry out just obtaining speaker or participant's close shot video pictures after angle and the focus adjustment, the present invention takes in the process that monopod video camera is regulated, the meeting-place panoramic video is called in the video pictures, after treating that the monopod video camera adjusting is finished, call in speaker or participant's close shot video pictures that monopod video camera is taken again, thereby avoided when switching, adopting the picture of monopod video camera to cause fuzzy pictures fully in the prior art, poor visual effect, the problem that handoff procedure is stiff.Thereby the present invention analyzes by the behavior act for target, calls different camera lenses and comes the instructor in broadcasting, makes the video of shooting near manual instructor in broadcasting's effect, and transition and linkage is more natural between camera lens, has promoted user's experience.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the camera placement scheme of a kind of recording and broadcasting system for multi-media classroom in the prior art;
Fig. 2 is the system construction drawing of a kind of video pictures switched system of the present invention;
Fig. 3 is the flow chart of a kind of video picture switching process of the present invention;
Fig. 4 is the system architecture diagram of a kind of video recording and broadcasting system of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 2, a kind of video pictures switched system 100 of the present invention is used for the recorded broadcast of session process Switch Video picture a speaker and a plurality of participants, and this system is built in the recorded broadcast server.Video pictures switching device shifter 100 comprises: trigger condition presetting module 10, monopod video camera driver module 20 and video pictures handover module 30.In the recorded broadcast of session process, may need to record clearly speaker speech, participant's speech, speaker and show each process such as PPT, at least one monopod video camera and at least one panoramic camera must be set in the meeting-place, and the switching between the picture that carries out taking between the video camera.This panoramic camera is non-monopod video camera, and it can obtain the video image in whole meeting-place; Certainly this panoramic camera also can be the monopod video camera of angle and fixed focal length, needs equally to obtain the video image in whole meeting-place.Monopod video camera is mainly used in track up speaker and/or participant, also can be used for taking certain concrete zone or meeting-place panorama.
Native system is mainly used in that video pictures is looked in recorded broadcast and switches to speaker or participant's close shot video pictures, and this recorded broadcast video pictures is the video pictures of recording and broadcasting system output, also namely needs to preserve and play to user's video pictures.Switching usually can following several situation: speaker's close shot video pictures switches to participant's close shot video pictures, participant's close shot video pictures and switches to speaker's close shot video pictures, meeting-place panorama and switch to that speaker's close shot video pictures, meeting-place panorama switch to participant's close shot video pictures, system's on-hook picture switches to speaker's close shot video pictures etc.
Trigger condition presetting module 10 is used for presetting the trigger condition that video pictures switches to speaker or participant's close shot video pictures is looked in recorded broadcast.The trigger condition that the video pictures of different situations switches (different scene recorded broadcast video pictures switch to speaker or participant's close shot video pictures) is also different, the trigger condition that the video pictures of same situation switches also can arrange from a plurality of angles, specifically can analyze according to actual conditions.
In one embodiment of the invention, trigger condition presetting module 10 can be used for the default trigger condition that the recorded broadcast video pictures is switched to participant's close shot video pictures by speaker's close shot video pictures.Concrete, the trigger condition presetting module comprises: concern that acquiring unit 11, toggle area arrange unit 12 and the triggering startup arranges unit 13.
Concern acquiring unit 11, be used for obtaining the position corresponding relation of participant and monopod video camera.In the present embodiment, the position corresponding relation is specially: in participant's panoramic video picture that monopod video camera photographs, occupy the bigger target participant of video pictures apart from the monopod video camera close together, it is far away apart from the monopod video camera distance to occupy the bigger target participant of video pictures.
Toggle area arranges unit 12, is used for for each participant different toggle area being set according to the position corresponding relation.In the present embodiment, it is also bigger with the toggle area that arranges apart from the target participant of monopod video camera close together that toggle area arranges unit 12, and the toggle area that the target participant far away apart from the monopod video camera distance is set is less.Also namely, the toggle area that occupies the big target participant's correspondence of video pictures in video pictures is also bigger, and the toggle area that occupies the little target participant's correspondence of video pictures in video pictures is also less.
Trigger to start that unit 13 being set, be used for whether each participant's video image is exceeded its corresponding toggle area as trigger condition, then satisfy this trigger condition if exceed.For example in the multi-media classroom of education sector and during the medium meet-and-greet, need stand up when participant's enquirement or answer, the participant rises immediately, zone occupied when then also sit down with respect to it in its zone occupied in video pictures is big, thereby can a toggle area be set for each target participant, the video image of some target participants in video pictures has exceeded its preset trigger zone, then carry out video pictures and switch, speaker's close shot video pictures need be switched to participant's close shot video pictures.
Obviously, the trigger condition of present embodiment also can be applicable to meeting-place panoramic video picture and switches to the handoff scenario that the handoff scenario of participant's close shot video pictures, the handoff scenario that system's on-hook picture switches to participant's close shot video pictures, a certain participant's close shot video pictures switch to another participant's close shot video pictures.
In another embodiment of the present invention, trigger condition presetting module 10 can be used for the default trigger condition that the recorded broadcast video pictures is switched to speaker's close shot video pictures by participant's close shot video pictures.Concrete, can with get access to the speaker sound, get access to that speaker's image changes, the target participant's of current recorded broadcast video pictures correspondence image is by exceeding toggle area to getting back in the toggle area as trigger condition.In other embodiments of the invention, trigger condition presetting module 10 can be used for also that default meeting room panorama switches to speaker's close shot video pictures, system's on-hook picture switches to speaker's close shot video pictures etc.Its difference only is the difference that arranges of trigger condition, is not described in detail in this.
Monopod video camera driver module 20 when being used for satisfying trigger condition, drives monopod video camera to obtain this speaker or participant's close shot video pictures.Monopod video camera driver module 20 is issued monopod video camera with the concrete parameter that needs carry out focal length and angular adjustment, and monopod video camera regulates to obtain speaker or participant's close shot video pictures according to this parameter.Certainly need also in the video pictures switched system 100 to comprise that monopod video camera is focused and the computing module of angle parameter for calculating, this computing module is not described in detail in this owing to be not emphasis of the present invention.
Video pictures handover module 30 when being used for satisfying trigger condition, switches to the picture that current panoramic camera is taken with the recorded broadcast video pictures; And be used for after the monopod video camera adjusting is finished, the recorded broadcast video pictures being switched to the video pictures that this monopod video camera is taken.Preferably, the video pictures handover module also is used for losing or during system standby, the recorded broadcast video pictures being switched to the picture that panoramic camera is taken when the tracking target of monopod video camera, with further raising user experience, reaches artificial instructor in broadcasting's effect.
The present invention is by the default trigger condition that the recorded broadcast video pictures is switched to participant's close shot video pictures, when satisfying trigger condition, the recorded broadcast video pictures is switched to meeting-place panoramic video picture, and drive the close shot video pictures that monopod video camera regulates to obtain this speaker or participant; Monopod video camera switches to the video pictures that this monopod video camera is taken with the recorded broadcast video pictures after regulating and finishing.Because in the process that video pictures is switched to speaker or participant's close shot video pictures, monopod video camera need carry out just obtaining speaker or participant's close shot video pictures after angle and the focus adjustment, the present invention takes in the process that monopod video camera is regulated, the meeting-place panoramic video is called in the video pictures, after treating that the monopod video camera adjusting is finished, call in speaker or participant's close shot video pictures that monopod video camera is taken again, thereby avoided adopting fully in the prior art picture of monopod video camera to cause fuzzy pictures, poor visual effect, the problem that handoff procedure is stiff.Thereby the present invention analyzes by the behavior act for target, calls different camera lenses and comes the instructor in broadcasting, makes the video of shooting near manual instructor in broadcasting's effect, and transition and linkage is more natural between camera lens, has promoted user's experience
As shown in Figure 3, the present invention is corresponding to provide a kind of video picture switching process, is used for the recorded broadcast of session process Switch Video picture a speaker and a plurality of participants, and it is realized by video pictures switched system 100 as shown in Figure 2.Video picture switching process comprises the steps:
Step S301, the default trigger condition that the recorded broadcast video pictures is switched to speaker or participant's close shot video pictures.This step realizes by trigger condition presetting module 10.
This step comprises: the default trigger condition that the recorded broadcast video pictures is switched to participant's close shot video pictures by speaker's close shot video pictures.Concrete, default the recorded broadcast video pictures is comprised by the step that speaker's close shot video pictures switches to the trigger condition of participant's close shot video pictures: the position corresponding relation that obtains participant and monopod video camera; For each participant different toggle area is set according to the position corresponding relation; Whether each participant's video image is exceeded its corresponding toggle area as trigger condition, then satisfy this trigger condition if exceed.
Preferably, the position corresponding relation is specially: in participant's panoramic video picture that monopod video camera photographs, occupy the bigger target participant of video pictures apart from the monopod video camera close together, it is far away apart from the monopod video camera distance to occupy the bigger target participant of video pictures.
Preferably, be specially for the step that each participant arranges different toggle area according to the position corresponding relation: the toggle area that bigger apart from the target participant's of monopod video camera close together toggle area, far away apart from monopod video camera distance target participant is set is less.
Step S302 when satisfying trigger condition, switches to current meeting-place panoramic video picture with the recorded broadcast video pictures, and drives the close shot video pictures that monopod video camera regulates to obtain this speaker or participant.This step realizes jointly by monopod video camera driver module 20 and video pictures handover module 30.
Step S303, monopod video camera switch to the video pictures that this monopod video camera is taken with the recorded broadcast video pictures after regulating and finishing.This step realizes by video pictures handover module 30.
Preferably, video picture switching process also comprises: when the tracking target of monopod video camera is lost or during system standby, the recorded broadcast video pictures switched to the picture that panoramic camera is taken.
Fig. 4 is the system architecture diagram of the video recording and broadcasting system 200 of an embodiment of the present invention, video recording and broadcasting system 200 comprises at least one panoramic camera 201, at least one monopod video camera 202 and recorded broadcast server 203, recorded broadcast server 203 is connected with panoramic camera 201 and monopod video camera 202, panoramic camera 201 is used for obtaining the meeting-place panoramic video, monopod video camera 202 is used for track up speaker and/or participant, recorded broadcast server 203 is built-in video pictures switched system 100 as shown in Figure 2, certainly system 200 also can comprise the display screen 204 that is connected with the recorded broadcast server, and panoramic camera 201 also can be connected an encoder with monopod video camera 202.System of the present invention can be applicable to multi-media classroom, can be used for teaching, meeting etc. scene.
In a kind of application scenarios, a panoramic camera 201 and a monopod video camera 202 are set in this system 200, panoramic camera 201 is used for taking the panorama in the whole meeting-place, and this monopod video camera 202 is used for following the tracks of speaker and participant.Between speaker and participant, during the close shot video switch, at first video pictures is switched to the video pictures that panoramic camera 201 is taken, again video pictures is switched to the video pictures that monopod video camera 202 is taken after monopod video camera 202 is regulated and finished.
In another kind of application scenarios, this system 200 arranges a panoramic camera 201 and two monopod video cameras 202, panoramic camera 201 is used for taking the panorama in the whole meeting-place, and a monopod video camera 202 is used for following the tracks of the speaker, and another monopod video camera 202 is used for following the tracks of the participant.When speaker's close shot video pictures switches to participant's close shot video pictures, at first the video pictures with 203 outputs of recorded broadcast server switches to the video pictures that panoramic camera 201 is taken, and tracking participant's monopod video camera 202 switches to video pictures participant's close shot video pictures that monopod video camera 202 is taken after regulating and finishing again.When participant's close shot video pictures switches to speaker's close shot video pictures, at first the video pictures with recording and broadcasting system output switches to the video pictures that panoramic camera 201 is taken, and tracking speaker's monopod video camera 202 switches to video pictures speaker's close shot video pictures that monopod video camera 202 is taken after regulating and finishing again.
In other scenes, may arrange a plurality of panoramic cameras and a plurality of monopod video camera, so that the recorded broadcast video reflects the situation in the whole conference process comprehensively and clearly, allow the user obtain more information, and video pictures is clear, transition and linkage is more natural, more comfortable between camera lens, meets the acceptance custom of human eye and brain, reach artificial instructor in broadcasting's effect, promote the user and experience.
In sum, the present invention is by the default trigger condition that the recorded broadcast video pictures is switched to participant's close shot video pictures, when satisfying trigger condition, the recorded broadcast video pictures is switched to meeting-place panoramic video picture, and drive the close shot video pictures that monopod video camera regulates to obtain this speaker or participant; Monopod video camera switches to the video pictures that this monopod video camera is taken with the recorded broadcast video pictures after regulating and finishing.Because in the process that video pictures is switched to speaker or participant's close shot video pictures, monopod video camera need carry out just obtaining speaker or participant's close shot video pictures after angle and the focus adjustment, the present invention takes in the process that monopod video camera is regulated, the meeting-place panoramic video is called in the video pictures, after treating that the monopod video camera adjusting is finished, call in speaker or participant's close shot video pictures that monopod video camera is taken again, thereby avoided adopting fully in the prior art picture of monopod video camera to cause fuzzy pictures, poor visual effect, the problem that handoff procedure is stiff, thereby, the present invention analyzes by the behavior act for target, calls different camera lenses and comes the instructor in broadcasting, makes the video of shooting near manual instructor in broadcasting's effect, transition and linkage is more natural between camera lens, has promoted user's experience.
Used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1. a video picture switching process is used for the recorded broadcast of session process Switch Video picture a speaker and a plurality of participants, it is characterized in that described video picture switching process comprises:
The default trigger condition that the recorded broadcast video pictures is switched to speaker or participant's close shot video pictures;
When satisfying described trigger condition, the recorded broadcast video pictures is switched to current meeting-place panoramic video picture, and drive the close shot video pictures that monopod video camera regulates to obtain this speaker or participant;
Described monopod video camera switches to the video pictures that this monopod video camera is taken with the recorded broadcast video pictures after regulating and finishing.
2. video picture switching process according to claim 1 is characterized in that, the default step that the recorded broadcast video pictures is switched to the trigger condition of speaker or participant's close shot video pictures comprises:
The default trigger condition that the recorded broadcast video pictures is switched to participant's close shot video pictures by speaker's close shot video pictures.
3. video picture switching process according to claim 2 is characterized in that, presets the recorded broadcast video pictures is comprised by the step that speaker's close shot video pictures switches to the trigger condition of participant's close shot video pictures:
Obtain the position corresponding relation of participant and monopod video camera;
For each participant different toggle area is set according to described position corresponding relation;
The described toggle area whether each participant's video image is exceeded its correspondence then satisfies this trigger condition as described trigger condition if exceed.
4. video picture switching process according to claim 3 is characterized in that, obtains in the step of position corresponding relation of participant and monopod video camera, and described position corresponding relation is specially:
In participant's panoramic video picture that described monopod video camera photographs, occupy the bigger described monopod video camera close together of target participant's distance of video pictures, it is far away to occupy the described monopod video camera distance of the bigger target participant's distance of video pictures.
5. video picture switching process according to claim 4 is characterized in that, is specially for the step that each participant arranges different toggle area according to described position corresponding relation:
Target participant's the toggle area that the described monopod video camera close together of distance is set is bigger, and the target participant's that the described monopod video camera distance of distance is far away toggle area is less.
6. video picture switching process according to claim 1 is characterized in that, described video picture switching process also comprises:
When the tracking target of described monopod video camera is lost or during system standby, described recorded broadcast video pictures switched to the picture that panoramic camera is taken.
7. a video pictures switched system is used for the recorded broadcast of session process Switch Video picture a speaker and a plurality of participants, it is characterized in that described video pictures switching device shifter comprises:
The trigger condition presetting module is used for presetting the trigger condition that video pictures switches to speaker or participant's close shot video pictures is looked in recorded broadcast;
The monopod video camera driver module when being used for satisfying described trigger condition, drives monopod video camera to obtain this speaker or participant's close shot video pictures.
The video pictures handover module when being used for satisfying described trigger condition, switches to current meeting-place panoramic video picture with the recorded broadcast video pictures; And be used for after described monopod video camera adjusting is finished, the recorded broadcast video pictures being switched to the video pictures that this monopod video camera is taken.
8. video pictures switched system according to claim 7 is characterized in that, described trigger condition presetting module also is used for the default trigger condition that the recorded broadcast video pictures is switched to participant's close shot video pictures by speaker's close shot video pictures.
9. video pictures switched system according to claim 8 is characterized in that, described trigger condition presetting module comprises:
Concern acquiring unit, be used for obtaining the position corresponding relation of participant and monopod video camera;
Toggle area arranges the unit, is used for for each participant different toggle area being set according to described position corresponding relation;
Trigger to start the unit being set, be used for described toggle area that whether video image with each participant exceed its correspondence as described trigger condition, then satisfy this trigger condition if exceed.
10. video pictures switched system according to claim 9, it is characterized in that, described position corresponding relation is specially: in participant's panoramic video picture that described monopod video camera photographs, occupy the bigger described monopod video camera close together of target participant's distance of video pictures, it is far away to occupy the described monopod video camera distance of the bigger target participant's distance of video pictures.
11. video pictures switched system according to claim 9, it is characterized in that, described toggle area arranges the unit, and also the toggle area with the target participant that the described monopod video camera close together of distance is set is bigger, and the toggle area that the described monopod video camera distance of distance target participant far away is set is less.
12. video pictures switched system according to claim 7, it is characterized in that, described video pictures handover module also is used for losing or during system standby, described recorded broadcast video pictures being switched to the picture of panoramic camera shooting when the tracking target of described monopod video camera.
13. one kind comprises the recorded broadcast server as each described video pictures switched system of claim 7～12.
14. video recording and broadcasting system, it is characterized in that, comprise at least one panoramic camera, at least one monopod video camera and recorded broadcast server as claimed in claim 13, described recorded broadcast server is connected with described panoramic camera and described monopod video camera, described panoramic camera is used for obtaining the meeting-place panoramic video, and described monopod video camera is used for track up speaker and/or participant.
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| CN111131713B (en) * | 2019-12-31 | 2022-03-08 | 深圳市维海德技术股份有限公司 | Lens switching method, device, equipment and computer readable storage medium |
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| CN111556273A (en) * | 2020-02-27 | 2020-08-18 | 上海创视通软件技术有限公司 | Method for controlling recording code stream in video conference recording and broadcasting |
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| CN112229586A (en) * | 2020-09-30 | 2021-01-15 | 石家庄铁道大学 | Bridge support health state detection method and terminal equipment |
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| CN113329199A (en) * | 2021-06-07 | 2021-08-31 | 广州市奥威亚电子科技有限公司 | Recording and broadcasting control method and device and recording and broadcasting system |
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