CN202043214U - Automatic camera lighting regulation and control system - Google Patents
Automatic camera lighting regulation and control system Download PDFInfo
- Publication number
- CN202043214U CN202043214U CN2011200230448U CN201120023044U CN202043214U CN 202043214 U CN202043214 U CN 202043214U CN 2011200230448 U CN2011200230448 U CN 2011200230448U CN 201120023044 U CN201120023044 U CN 201120023044U CN 202043214 U CN202043214 U CN 202043214U
- Authority
- CN
- China
- Prior art keywords
- camera
- computer
- video
- regulation
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Closed-Circuit Television Systems (AREA)
Abstract
The utility model relates to an automatic camera lighting regulation and control system which belongs to the field of camera regulation and control technologies. The system consists of a camera and a computer; a video output end of the camera is connected with a corresponding input end of the computer and used for outputting video signals; and a communication end of the computer is connected with a signal control end of the camera through a corresponding port converter and used for outputting corresponding aperture regulation and control command signals according to the judgment of grey scale information in the video signals. In the utility model, the problems in the prior art are solved by a feasible technical scheme, so that the face recognition quality can be ensured no matter where the faces to be recognized are located under a certain external environmental light condition. The automatic camera lighting regulation and control system is suitable for the fields of video monitoring, digital cameras, motorized lens and the like.
Description
Technical field
The utility model relates to a kind of illumination device for automatically regulating, and especially a kind of shooting illumination automatic regulating system belongs to shooting control technique field.
Background technology
Understand according to the applicant, the shooting product that is used for recognition of face at present is in application, and illumination is very big to the recognition of face Effect on Performance.Under the constant situation of extraneous ambient lighting, be in different positions as people's face to be identified, such as frontlighting, backlight, polarisation, the intensity profile of people's face can exist than big-difference on the imaging photo.Such difference can be brought considerable influence to recognition performance.
The utility model content
The purpose of this utility model is: at the problem of above-mentioned prior art existence, a kind of shooting illumination automatic regulating system that can pass through to judge the gray scale auto-control is proposed, thereby under certain external environment illumination condition, no matter which kind of position people's face to be identified is in, and all can effectively discern.
In order to reach above purpose, shooting illumination automatic regulating system of the present utility model is made of video camera and computer, and the video output terminals of described video camera connects the corresponding input of described computer, in order to outputting video signal; The communication terminal of described computer connects the signal controlling end of described video camera by the corresponding ports transducer, in order to according to the judgement to half-tone information in the vision signal, exports corresponding aperture regulation and control instruction signal.
During work, the video camera of supervisory control system is real-time transmitted to computer with the video image that collects, and computer compares detected people's face gray value and predetermined midrange.As greater than this scope, represent that then brightness is too big, the command signal by PORT COM output minimizing camera aperture is input to video camera after conversion, make it according to command signal, turns aperture automatically down; Less than this scope, represent then that brightness is too little as detected gray value, computer sends the command signal that control increases camera aperture, arrives video camera by above-mentioned same approach transmission, makes its corresponding accent great circle.
This shows that the utility model has solved the problem that prior art exists with practicable technical scheme, thereby under certain external environment illumination condition, no matter which kind of position people's face to be identified is in, and all can guarantee to discern quality.Be applicable to fields such as video monitoring, digital camera, motor-driven lens.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of an embodiment of the utility model.
Embodiment
Embodiment one
The shooting illumination automatic regulating system basic structure of present embodiment is made of video camera and computer as shown in Figure 1.Wherein, the video output terminals of video camera connects the corresponding video frequency collection card input of computer, in order to the vision signal of real-time output picked-up.The RS232--485 port converter that the RS232 communication terminal of computer passes through connects the RS485 signal controlling end of video camera.
In the course of work, camera acquisition to video image pass to the video frequency collection card of computer through video line, enter CPU after, for the video image human face region average gray value that collects and predetermined gray scale midrange 50-200 relatively.If average gray value is lower than this scope, by computer RS232 port, send the instruction of increase camera aperture, through the conversion of RS232-485 transducer, by the transmission arrival camera signal control end of two core holding wires.Dsp chip in the video camera is carried out this instruction, transfers large aperture automatically.If average gray value is higher than this scope, then transfer few aperture.
Like this, no matter the actual field background is darker in the system of present embodiment, when being difficult to see clearly target people face; Still background is brighter, when still seeing clearly owing to the still very dark difficulty of people's face backlight; The image of adjusting the back picked-up has all solved the influence problem of the ambient lighting in the practical application to target object definition (brightness) well; Have the following advantages:
1) make target object brightness of image value moderate;
2) simple and practical, change easy to connect.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (2)
1. shooting illumination automatic regulating system, it is characterized in that: be made of video camera and computer, the video output terminals of described video camera connects the corresponding input of described computer, in order to outputting video signal; The communication terminal of described computer connects the signal controlling end of described video camera by the corresponding ports transducer, in order to according to the judgement to half-tone information in the vision signal, exports corresponding aperture regulation and control instruction signal.
2. shooting illumination automatic regulating system according to claim 1 is characterized in that: the RS232--485 port converter that the RS232 communication terminal of described computer passes through connects the RS485 signal controlling end of video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200230448U CN202043214U (en) | 2011-01-25 | 2011-01-25 | Automatic camera lighting regulation and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200230448U CN202043214U (en) | 2011-01-25 | 2011-01-25 | Automatic camera lighting regulation and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202043214U true CN202043214U (en) | 2011-11-16 |
Family
ID=44970639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200230448U Expired - Lifetime CN202043214U (en) | 2011-01-25 | 2011-01-25 | Automatic camera lighting regulation and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202043214U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610210A (en) * | 2012-02-22 | 2012-07-25 | 广东佳明电器有限公司 | Multi-video signal ring-in/ring-out device |
| CN106488142A (en) * | 2016-12-08 | 2017-03-08 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of auto iris signal conversion method and circuit |
-
2011
- 2011-01-25 CN CN2011200230448U patent/CN202043214U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610210A (en) * | 2012-02-22 | 2012-07-25 | 广东佳明电器有限公司 | Multi-video signal ring-in/ring-out device |
| CN106488142A (en) * | 2016-12-08 | 2017-03-08 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of auto iris signal conversion method and circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103856764B (en) | A kind of device utilizing double-shutter to be monitored | |
| CN101378501A (en) | Ganged monitoring apparatus for infrared panorama and control method thereof | |
| CN205909142U (en) | Lighting system with monitoring alarm function | |
| CN109326125B (en) | Picture quality diagnosis system and method based on embedded system | |
| CN107370956A (en) | A kind of method and starlight video camera for realizing the switching of starlight video camera diurnal pattern | |
| CN102548153A (en) | Method for controlling illuminating lamp based on visual perception | |
| CN202043214U (en) | Automatic camera lighting regulation and control system | |
| CN202374336U (en) | Video camera | |
| CN201440690U (en) | Dual-CCD monitoring camera and monitoring system | |
| CN202334713U (en) | Intelligent camera with 600 lines starlight-grade ultra-low illuminance | |
| CN202374337U (en) | Camera | |
| CN201247577Y (en) | Device for adjusting display parameter of LED display screen | |
| CN103561241A (en) | Power adjustment method of laser night-vision device | |
| CN201667678U (en) | Multi-mode camera image processing circuit | |
| CN211698883U (en) | Gesture recognition control switch device based on FPGA | |
| CN209299574U (en) | A kind of intelligent lighting centralized control system | |
| CN101127888A (en) | Onboard image collection device | |
| CN203715009U (en) | Real-time monitoring system for steel wire ropes of elevators | |
| CN103491157A (en) | Non-contact hotel light managing system and method | |
| CN201142713Y (en) | Fast response camera | |
| CN207340253U (en) | The public lighting system to be communicated using power line | |
| CN201717993U (en) | Monitoring system capable of regulating illuminating brightness | |
| CN204652525U (en) | Infrared automatic control equipment | |
| CN202182867U (en) | Stroboscopic frequency control device of stroboscopic still image instrument | |
| CN205507478U (en) | Advertising light boxes light remote monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 801-810, room 8, building 7, building 57, Ande Avenue, Yuhuatai District, Nanjing, Jiangsu, 210012 Patentee after: The new Nanjing luxshare Polytron Technologies Inc Address before: 211161 Jiangning Street industrial concentration area, Jiangning District, Jiangsu, Nanjing Patentee before: Nanjing NewLixon Electric Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190729 Address after: 518045 Changping Business Building, Futian Bonded Zone, Futian District, Shenzhen City, Guangdong Province, 1802 Patentee after: Shenzhen Linfeng Technology Co., Ltd. Address before: 801-810, room 8, building 7, building 57, Ande Avenue, Yuhuatai District, Nanjing, Jiangsu, 210012 Patentee before: The new Nanjing luxshare Polytron Technologies Inc |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |