CN108513063A - A kind of intelligent meeting camera system captured automatically - Google Patents
A kind of intelligent meeting camera system captured automatically Download PDFInfo
- Publication number
- CN108513063A CN108513063A CN201810226390.2A CN201810226390A CN108513063A CN 108513063 A CN108513063 A CN 108513063A CN 201810226390 A CN201810226390 A CN 201810226390A CN 108513063 A CN108513063 A CN 108513063A
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- China
- Prior art keywords
- camera
- microphone
- spokesman
- policy control
- control equipment
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/617—Upgrading or updating of programs or applications for camera control
Abstract
The invention discloses a kind of intelligent meeting camera systems captured automatically comprising:Multiple microphones, audio processing equipment, multiple cameras, holder and camera rotate policy control equipment, the camera is separately positioned on holder, the multiple microphone is connected with audio processing equipment with input audio signal respectively, the audio processing equipment is connected with camera rotation policy control equipment, and the camera rotation policy control equipment is connected with holder to drive it to rotate and directional microphone position.Automatically the intelligent meeting camera system of the present invention captured, according to the voice signal of microphone, judge the position of spokesman, and it controls camera rotation and is directed at spokesman and carries out picture catching, high degree of automation, reduce human cost, can partly substitute the work of photographer so that shooting work automatically is carried out to various speeches during multi-person conference.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of intelligent meeting camera systems captured automatically.
Background technology
Needing the multi-person conference for doing camera shooting record live, it usually needs alignment lens spokesman is recorded it by cameraman
Speech situation.Since participant makes a speech order, number and time length in the presence of uncertainty, to accomplish camera lens is accurate in time
It really is directed at fluency of the spokesman without interrupting meeting, the requirement to cameraman is very high, and especially all spokesman's distances are taken the photograph
Shadow teacher apart from it is different when, the work of photographer will be allowed more difficult.
In addition, in the camera work of meeting, cameraman will carry out many prolonged repeated works, in addition image pick-up device
The heaviness of material, gabfest camera work make the muscle power of cameraman also face a prodigious challenge.Feelings more outstanding
Condition is, in the case where numerous and the multiple cameraman of needs collaborative works of making a speech could be completed, so to increase again
The human cost of meeting is added.
Invention content
The purpose of the present invention is to provide a kind of intelligent meeting camera system captured automatically, energy during multi-person conference
It is enough that automatically spokesman is captured using camera, shooting work is carried out automatically.
For this purpose, the present invention uses following technical scheme:
A kind of intelligent meeting camera system captured automatically, including:Multiple microphones, audio processing equipment, multiple cameras, cloud
Platform and camera rotate policy control equipment, and the camera is separately positioned on holder, the multiple microphone respectively with
Audio processing equipment is connected with input audio signal, and the audio processing equipment is connected with camera rotation policy control equipment
It connects, the camera rotation policy control equipment is connected with holder to drive it to rotate and directional microphone position.
Wherein, the holder is electric platform.
Wherein, the position letter of meeting scene and each microphone is provided in the camera rotation policy control equipment
Breath, the microphone are provided with 1 ~ n of number.
Wherein, the location information of camera and holder is provided in the camera rotation policy control equipment.
Wherein, the audio processing equipment monitors the sound of coupled microphone pickup in real time, works as detection
When having voice signal to input to microphone m and reach certain threshold value, microphone number m is just sent to and takes the photograph by audio processing equipment
As head rotation policy control equipment, camera rotation policy control equipment recalls the position letter of microphone m from its storage device
Xm, ym, zm are ceased, the rotation strategy of the position is then sent to part or all cameras, camera is driven to turn to the position,
Alignment spokesman carries out shooting work, and at the same time, audio processing equipment continues to supervise the signal that each microphone is sent
Control until the sound of other microphones pickup to certain threshold value, and sends microphone number and is set to camera rotation policy control
Standby, the microphone position for starting a new round determines and the adjustment of camera, holder position or shooting angle.
Wherein, in meeting scene, when certain spokesman starts speech, camera rotation policy control equipment control is all to take the photograph
The microphone position as where head turns to spokesman carries out shooting record.
Wherein, it will view scene carry out subregion, allow different cameras to be responsible for different zones, when some region have spokesman into
Row speech when, camera rotation policy control equipment control the camera in the region turn to spokesman where microphone position into
Row shooting records, and there are one or more cameras in subregion.
Wherein, there are multiple spokesman to make a speech simultaneously at meeting scene, and multiple microphones, which are activated, sends a signal to camera
Rotate policy control equipment, at this time will by nearby principle, using the camera nearest apart from spokesman come turn to spokesman into
Row shooting record so that each spokesman can have nearest camera to be directed at him to carry out shooting record, pass through distance and calculate
And be compared to complete the selection of camera, such as:
I-th of spokesman is making a speech, and the location information coordinate of corresponding microphone is xi, yi, zi;
The location information aj, bj, cj of camera;
The distance between i-th of microphone and all camera coordinates are calculated at this time:
Then the corresponding camera of minimum value is found out from Dj, and the camera is then allowed to carry out shooting recording to spokesman.
Beneficial effects of the present invention:A kind of intelligent meeting camera system captured automatically, according to the voice signal of microphone,
Judge the position of spokesman, and control camera rotation and be directed at spokesman and carry out picture catching, high degree of automation reduces
Human cost can partly substitute the work of photographer so that during multi-person conference automatically to it is various make a speech into
Row shooting work.
Description of the drawings
Fig. 1 is the structural schematic diagram for the intelligent meeting camera system that the present invention captures automatically;
Fig. 2 is the location information of microphone and multiple cameras storage example in camera rotation policy control equipment;
Fig. 3 is the fundamental diagram for the intelligent meeting camera system that the present invention captures automatically;
Fig. 4 is that the intelligent meeting camera system that captures automatically of the present invention applies live distribution map in roundtable conference.
Specific implementation mode
With reference to Fig. 1 to Fig. 4 and the technical solution that is further illustrated the present invention by specific embodiment.
A kind of intelligent meeting camera system captured automatically, including:Multiple microphones, audio processing equipment, multiple camera shootings
Head, holder and camera rotate policy control equipment, and the camera is separately positioned on holder, are erected at meeting scene
Multiple corners into line label, and are set in the coordinate at meeting scene.The holder is electric platform, facilitates automation control.
The multiple microphone is connected respectively with audio processing equipment with input audio signal, and multiple microphones are distributed in
On conference table, position is relatively fixed, and is numbered, 1 ~ n of microphone, the location information of camera and holder, microphone
Coordinate is respectively stored in the camera rotation policy control equipment.The audio processing equipment and camera rotation strategy control
Control equipment is connected, and the camera rotation policy control equipment is connected with holder to drive it to rotate and directional microphone institute
In position.
The audio processing equipment monitors the sound of coupled microphone pickup in real time, when detecting Mike
When wind m has voice signal to input and reaches certain threshold value, microphone number m is just sent to camera and turned by audio processing equipment
Dynamic policy control equipment, camera rotation policy control equipment recall the location information xm of microphone m from its storage device,
Then ym, zm send the rotation strategy of the position to part or all cameras, drive camera to turn to the position, be aligned
Spokesman carries out shooting work, and at the same time, audio processing equipment continues to be monitored the signal that each microphone is sent, directly
It to the pickup of other microphones to the sound of certain threshold value, and sends microphone number and rotates policy control equipment to camera, open
The microphone position of a beginning new round determines and the adjustment of camera, holder position or shooting angle.Camera is realized to hair
The automatic shooting for saying people, need not manually adjust camera seat in the plane and shooting angle, camera lens may be implemented and be rapidly and accurately aligned
Spokesman can make the shooting of conference speech people orderly and efficient.
When there are multiple cameras at meeting scene, there are three types of scheme policies embodiments:
1. in meeting scene, when certain spokesman starts speech, camera rotates policy control equipment and controls all cameras turn
Microphone position where Xiang spokesman carries out shooting record.
2. meeting scene is carried out subregion, different cameras are allowed to be responsible for different zones, when there is spokesman's progress in some region
When speech, camera rotation policy control equipment controls microphone position where the camera in the region turns to spokesman and carries out
Shooting records, and there are one or more cameras in subregion.
3. there are multiple spokesman to make a speech simultaneously at meeting scene, multiple microphones, which are activated, sends a signal to camera rotation
Policy control equipment will be clapped using the camera nearest apart from spokesman to turn to spokesman at this time by nearby principle
Take the photograph record so that each spokesman there can be nearest camera to be directed at him to carry out shooting record, calculate and go forward side by side by distance
Row relatively completes the selection of camera, such as:
I-th of spokesman is making a speech, and the location information coordinate of corresponding microphone is xi, yi, zi;
The location information aj, bj, cj of camera;
The distance between i-th of microphone and all camera coordinates are calculated at this time:
Then the corresponding camera of minimum value is found out from Dj, and the camera is then allowed to carry out shooting recording to spokesman.
It should be noted that since meeting scene is perhaps more noisy, or there are other people to speak interference, so needing wheat
Gram wind pickup and sound threshold value setting for transmitting a signal to camera rotation policy control equipment is higher better, what common people spoke
Sound is larger as spatial variations decay, and the volume spoken against microphone is bigger, so such threshold value may
It is set as 60dB-70dB or more.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (8)
1. a kind of intelligent meeting camera system captured automatically is used for the shooting at meeting scene, which is characterized in that including:It is multiple
Microphone, audio processing equipment, multiple cameras, holder and camera rotate policy control equipment, the camera difference
It is arranged on holder, the multiple microphone is connected respectively with audio processing equipment with input audio signal, at the audio
Reason equipment and camera rotation policy control equipment is connected, the camera rotate policy control equipment be connected with holder with
It is driven to rotate and directional microphone position.
2. the intelligent meeting camera system according to claim 1 captured automatically, which is characterized in that the holder is electronic
Holder.
3. the intelligent meeting camera system according to claim 1 captured automatically, which is characterized in that the camera rotation
The location information of meeting scene and each microphone is provided in policy control equipment, the microphone is provided with 1 ~ n of number.
4. the intelligent meeting camera system according to claim 1 captured automatically, which is characterized in that the camera rotation
The location information of camera and holder is provided in policy control equipment.
5. the intelligent meeting camera system according to claim 1 captured automatically, which is characterized in that the audio frequency process is set
The standby sound to coupled microphone pickup monitors in real time, when detecting that microphone m has voice signal to input and reach
When to certain threshold value, microphone number m is just sent to camera and rotates policy control equipment, camera by audio processing equipment
Rotation policy control equipment recalls location information xm, ym, the zm of microphone m from its storage device, then sends the position
Rotation strategy drives camera to turn to the position, alignment spokesman carries out shooting work, with this to part or all cameras
Meanwhile audio processing equipment continues to be monitored the signal that each microphone is sent, until other microphones are picked up to certain
The sound of threshold value, and send microphone number and rotate policy control equipment to camera, the microphone position for starting a new round is true
Fixed and camera, holder position or shooting angle adjustment.
6. the intelligent meeting camera system according to claim 5 captured automatically, which is characterized in that in meeting scene, when
When certain spokesman starts speech, camera rotates policy control equipment and controls microphone position where all cameras turn to spokesman
It sets and carries out shooting record.
7. the intelligent meeting camera system according to claim 5 captured automatically, which is characterized in that carry out meeting scene
Subregion allows different cameras to be responsible for different zones, and when some region has spokesman to make a speech, camera rotates policy control
Equipment controls microphone position where the camera in the region turns to spokesman and carries out shooting record, in subregion there are one or
Multiple cameras.
8. the intelligent meeting camera system according to claim 5 captured automatically, which is characterized in that meeting scene exists more
A spokesman makes a speech simultaneously, and multiple microphones, which are activated, sends a signal to camera rotation policy control equipment, to pass through at this time
Nearby principle carries out shooting record so that each spokesman using the camera nearest apart from spokesman to turn to spokesman
There will be nearest camera to be directed at him and carry out shooting record, calculated by distance and be compared to complete the choosing of camera
It selects, such as:
I-th of spokesman is making a speech, and the location information coordinate of corresponding microphone is xi, yi, zi;
The location information aj, bj, cj of camera;
The distance between i-th of microphone and all camera coordinates are calculated at this time:
Then the corresponding camera of minimum value is found out from Dj, and the camera is then allowed to carry out shooting recording to spokesman.
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CN201810226390.2A CN108513063A (en) | 2018-03-19 | 2018-03-19 | A kind of intelligent meeting camera system captured automatically |
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Cited By (8)
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CN109905616A (en) * | 2019-01-22 | 2019-06-18 | 视联动力信息技术股份有限公司 | A kind of method and apparatus of Switch Video picture |
CN110035219A (en) * | 2018-09-11 | 2019-07-19 | 真善美创新科技有限公司 | Apparatus control method and device for photography |
CN110348011A (en) * | 2019-06-25 | 2019-10-18 | 武汉冠科智能科技有限公司 | A kind of with no paper meeting shows that object determines method, apparatus and storage medium |
CN110855927A (en) * | 2019-10-17 | 2020-02-28 | 深圳摩尔声学科技有限公司 | Conference camera sound tracking device |
CN111263062A (en) * | 2020-02-13 | 2020-06-09 | 北京声智科技有限公司 | Video shooting control method, device, medium and equipment |
CN112911256A (en) * | 2020-12-29 | 2021-06-04 | 慧投科技(深圳)有限公司 | Projector system with camera for automatically capturing sound source |
CN112954260A (en) * | 2021-03-03 | 2021-06-11 | 随锐科技集团股份有限公司 | Automatic meeting place lens switching method and system in video conference process |
CN113411487A (en) * | 2020-03-17 | 2021-09-17 | 中国电信股份有限公司 | Method, device and system for controlling equipment and computer readable storage medium |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110035219A (en) * | 2018-09-11 | 2019-07-19 | 真善美创新科技有限公司 | Apparatus control method and device for photography |
CN109905616A (en) * | 2019-01-22 | 2019-06-18 | 视联动力信息技术股份有限公司 | A kind of method and apparatus of Switch Video picture |
CN109905616B (en) * | 2019-01-22 | 2021-08-31 | 视联动力信息技术股份有限公司 | Method and device for switching video pictures |
CN110348011A (en) * | 2019-06-25 | 2019-10-18 | 武汉冠科智能科技有限公司 | A kind of with no paper meeting shows that object determines method, apparatus and storage medium |
CN110855927A (en) * | 2019-10-17 | 2020-02-28 | 深圳摩尔声学科技有限公司 | Conference camera sound tracking device |
CN111263062A (en) * | 2020-02-13 | 2020-06-09 | 北京声智科技有限公司 | Video shooting control method, device, medium and equipment |
CN111263062B (en) * | 2020-02-13 | 2021-12-24 | 北京声智科技有限公司 | Video shooting control method, device, medium and equipment |
CN113411487A (en) * | 2020-03-17 | 2021-09-17 | 中国电信股份有限公司 | Method, device and system for controlling equipment and computer readable storage medium |
CN112911256A (en) * | 2020-12-29 | 2021-06-04 | 慧投科技(深圳)有限公司 | Projector system with camera for automatically capturing sound source |
CN112954260A (en) * | 2021-03-03 | 2021-06-11 | 随锐科技集团股份有限公司 | Automatic meeting place lens switching method and system in video conference process |
CN112954260B (en) * | 2021-03-03 | 2022-11-22 | 深圳随锐视听科技有限公司 | Automatic meeting place lens switching method and system in video conference process |
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Application publication date: 20180907 |
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