CN102279504A - White light auxiliary lighting control method for video camera - Google Patents
White light auxiliary lighting control method for video camera Download PDFInfo
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- CN102279504A CN102279504A CN2010101977947A CN201010197794A CN102279504A CN 102279504 A CN102279504 A CN 102279504A CN 2010101977947 A CN2010101977947 A CN 2010101977947A CN 201010197794 A CN201010197794 A CN 201010197794A CN 102279504 A CN102279504 A CN 102279504A
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- white light
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Abstract
The invention provides a white light auxiliary lighting control method for a video camera. A video camera and an auxiliary lighting device are arranged; the video camera is provided with a microcontroller; the microcontroller is connected with a shooting device and a light detector; the light detector is connected with a filter, so that the light detector can only receive light sources within a specific wavelength range for detecting and computing the illumination; the specific wavelength range refers to wavelengths outside a region where the shooting wavelength range of the shooting device and the wavelength range of a light source emitted by the auxiliary lighting device are overlaid; and the illumination computed with the light detector is transmitted to the microprocessor for processing, and the microcontroller is used for controlling the auxiliary lighting device to run or stop running, so that the video camera can be used for accurately controlling the running of the auxiliary lighting device.
Description
Technical field
The present invention relates to a kind of white light floor light control method of video camera, refer to utilize the light source of particular range of wavelengths to carry out illumination detecting calculating especially, but so that auxiliary lighting apparatus normal operation.
Background technology
Video camera is owing to have the photography and the characteristic of immediately monitoring, and important the relying on that makes video camera become to fight crime, the firm defence line that assures the safety for life and property of the people, and along with the making rapid progress of science and technology more can reach remote monitoring and as the purposes of management.
Yet, video camera is by day the time, because light source abundance, and can shoot clearly image, but when night, then can can't shoot image because of light source is not enough, therefore use with infrared camera (IRCamera) collocation infrared ray secondary light source mostly at present, because infrared camera possesses the characteristic that can respond to white light (visible light) and infrared ray (invisible light) is simultaneously arranged, therefore by day or all can use evening, but there are many problems that can't overcome in this kind infrared camera, and for example night, captured picture was a black and white screen, can't know the display frame details; Moreover captured picture is easy to generate over-exposed problem when easy colour cast of picture color and night; Again; because white light different with the focus point of infrared ray (day and night different burnt); therefore infrared camera must use the long camera lens of the depth of field; or day and night can automatically switch daytime with eager parallel operation; evening institute must wavelength; cause whole cost significantly to rise; therefore relevant dealer's research and development is promptly arranged; utilize white light video camera collocation white light secondary light source; to avoid producing the insurmountable problem of infrared camera; and reduce whole manufacturing cost; but because the light that the white light secondary light source shone at night; usually can make the inductor of control white light secondary light source switch cause erroneous judgement; make that the white light secondary light source can't be in the normal operation in evening; cause video camera can't shoot required picture, the settling mode of present stage be with secondary light source with mode of delivery illumination shooting place, allow the inductor erroneous judgement to avoid the light source excess diffusion; but also dwindled the coverage (light source deficiency) of video camera relatively, increase video camera captured less than the dead angle.
Therefore, in the time of how making the white light secondary light source apply to the white light video camera, can be the problem of the relevant research and development that the dealer desires most ardently of the industry in the normal operation at night.
Summary of the invention
Fundamental purpose of the present invention is to be, the unnecessary wavelength of filter elder generation's filtering that utilizes optical detector to connect, the running of the illumination control auxiliary lighting apparatus that makes video camera utilize optical detector accurately to be calculated is not so that optical detector can produce erroneous judgement because of the light source of auxiliary lighting apparatus.
Video camera of the present invention and auxiliary lighting apparatus are that one or branch are arranged, be configured such that separately auxiliary lighting apparatus is when luminous, the heat source temperature that it produced can not influence video camera, but allowing the video camera normal photographing, does not produce problem such as haze and can Yin Wendu do not raise.
For reaching above-mentioned purpose, the invention provides a kind of white light floor light control method of video camera, this video camera is provided with microcontroller, camera, optical detector and filter, video camera is connected to an auxiliary lighting apparatus, wherein the microcontroller of video camera is connected with camera and optical detector respectively, and this optical detector is connected with filter; This control method is for when video camera is photographed, utilize the in addition wavelength coverage of the wavelength coverage that can take of filtering camera and white light source that auxiliary lighting apparatus the sends wavelength beyond overlapping of filter, the light source that makes optical detector receive only particular range of wavelengths is detected and is calculated to be illumination, and this illumination is sent to microcontroller, when the illumination of calculating that optical detector is detected is lower than the illumination range that microcontroller sets, microcontroller promptly can drive auxiliary lighting apparatus and send white light source, and when the illumination of calculating that optical detector is detected was higher than the illumination range that microcontroller sets, microcontroller promptly can cut out auxiliary lighting apparatus.
During enforcement, this can be 400～650nm by the optical source wavelength of filter.
During enforcement, this auxiliary lighting apparatus has many white light emitting diodes.
During enforcement, this auxiliary lighting apparatus is arranged in the video camera.
During enforcement, this video camera and auxiliary lighting apparatus are arranged for dividing, and utilize signal connecting line to be electrically connected mutually.
During enforcement, this video camera and auxiliary lighting apparatus are arranged for dividing, the microcontroller of video camera is connected with wireless signal transmitter, and auxiliary lighting apparatus is provided with many white light emitting diodes and wireless signal receiver, and white light emitting diode and wireless signal receiver are connected in microprocessor.
Compared with prior art, the present invention is provided with video camera and auxiliary lighting apparatus, this video camera is provided with microcontroller, and microcontroller is connected with camera and optical detector respectively, and the light source that optical detector receives particular range of wavelengths only carries out illumination detecting calculating, and the two wavelength beyond overlapping of the wavelength coverage of wavelength coverage that particular range of wavelengths can be taken for the filtering camera and light source that auxiliary lighting apparatus sends, and the illumination that optical detector calculated can be sent to microprocessor and handle, and then the control that allows microcontroller that auxiliary lighting apparatus is operated or stops.
Description of drawings
Fig. 1 is the calcspar of preferred embodiment of the present invention.
Fig. 2 is the present invention's calcspar of a preferred embodiment again.
Fig. 3 is the calcspar of the another preferred embodiment of the present invention.
Description of reference numerals: 1-video camera; The 11-microcontroller; The 12-camera; The 13-optical detector; The 14-filter; The 2-auxiliary lighting apparatus; The 21-white light emitting diode.
Embodiment
See also shown in Figure 1ly, find out by knowing among the figure, preferred embodiment of the present invention is provided with video camera 1 and auxiliary lighting apparatus 2, wherein:
This video camera 1 is provided with the microcontroller 11 in order to 1 running of control video camera, and microcontroller 11 is connected with camera 12 and optical detector 13 respectively, and optical detector 13 is connected with filter 14.
On the mat, when camera 12 when taking the image of visible-range, optical detector 13 also can be detected the illumination of calculating camera 12 photographed scenes simultaneously, and optical detector 13 is when receiving the light source of photographed scene, the light source of this photographed scene is for entering optical detector 13 again through behind the filter 14, when light source passes through filter 14, filter 14 is the unnecessary wavelength of meeting filtering light source, the optical source wavelength of 14 filterings of filter, the two wavelength beyond overlapping of the wavelength coverage that can take for camera 12 and the white light emitting diode 21 optical source wavelength scope of sending of auxiliary lighting apparatus 2, so that receiving the light source of particular range of wavelengths only, optical detector 13 carries out illumination detecting calculating, for example, the wavelength coverage that camera 12 can be responded to shooting is 400～650nm, and the optical source wavelength of white light emitting diode 21 is 400～750nm, so can be 400～650nm by the optical source wavelength of filter 14; After optical detector 13 is calculated to be illumination with institute's reception light source, this illumination can be sent to microcontroller 11, because microcontroller 11 is set with the illumination range of control auxiliary lighting apparatus 2 switches, therefore receive optical detector 13 when detecting the illumination of calculating and being lower than the illumination range that microcontroller 11 sets when microcontroller 11, microcontroller 11 promptly can drive auxiliary lighting apparatus 2, many white light emitting diodes 21 are come into operation send visible light source, and then with the photographed scene of light source irradiation camera 12, so that photographed scene is carried out light filling, and receive optical detector 13 when detecting the illumination of calculating and being higher than the illumination range that microcontroller 11 sets when microcontroller 11, microcontroller 11 promptly can cut out auxiliary lighting apparatus 2, make many white light emitting diodes 21 stop to send light source, so that light filling is carried out or stopped to the illumination according to photographed scene that many white light emitting diodes 21 of auxiliary lighting apparatus 2 can be correct.
Therefore, the present invention is for can solve the deficiencies in the prior art and disappearance, and can increase the effect of video camera 1, its gordian technique is, optical detector 13 of the present invention is when the photographed scene illumination of detecting camera 12, the light source that it received is for passing through the unnecessary wavelength of filter 14 filterings earlier, just with camera 12 captured less than wavelength, and the non-white light emitting diode 21 wavelength filtering of being sent, carrying out illumination again calculates, so that microcontroller 11 can carry out or stop light filling at many white light emitting diodes 21 that illumination is controlled auxiliary lighting apparatus 2, this kind detecting mode is when night, because the light source of daylight when not having daytime, and filter 14 filterings unnecessary wavelength affects, therefore the illumination range that can see through microcontroller 11 is set, can make microcontroller 11 control white light emitting diode 21 accurately and carry out light filling, and the light filling scope of auxiliary lighting apparatus 2 significantly increases, even can be unrestricted, can not allow optical detector 13 produce erroneous judgement because of the light source of auxiliary lighting apparatus 2 yet.
See also shown in Figure 2, find out by knowing among the figure, the present invention's video camera 1 of a preferred embodiment again is arranged for dividing with auxiliary lighting apparatus 2, and utilize signal connecting line 3 to be electrically connected mutually, because video camera 1 is arranged for dividing with auxiliary lighting apparatus 2, and utilize signal connecting line 3 to be electrically connected mutually, make microcontroller 11 can see through signal connecting line 3 and drive auxiliary lighting apparatus 2, many white light emitting diodes 21 are come into operation to be sent visible light source or stops to send light source, by this, when many white light emitting diodes 21 of auxiliary lighting apparatus 2 are luminous, the heat source temperature that it produced can not influence video camera 1, but allowing video camera 1 normal photographing, do not produce problem such as haze and can Yin Wendu do not raise.
See also shown in Figure 3ly, find out by knowing among the figure, the another preferred embodiment of the present invention is provided with video camera 1 and auxiliary lighting apparatus 2, wherein:
This video camera 1 is provided with the microcontroller 11 in order to 1 running of control video camera, and microcontroller 11 is connected with camera 12, optical detector 13 and wireless signal transmitter 15 respectively, and optical detector 13 is connected with filter 14.
This auxiliary lighting apparatus 2 is provided with many white light emitting diodes 21, wireless signal receiver 22 and microprocessor 23, and white light emitting diode 21 is connected in microprocessor 23 with wireless signal receiver 22.
On the mat, after optical detector 13 is calculated to be illumination with institute's reception light source, this illumination can be sent to microcontroller 11, microcontroller 11 promptly can be compared the illumination range of this illumination and microcontroller 11 settings, and receive optical detector 13 when detecting the illumination of calculating and being lower than the illumination range that microcontroller 11 sets in microcontroller 11, microcontroller 11 promptly can see through the control signal that wireless signal transmitter 15 is launched running, the control signal of running is sent to wireless signal receiver 22, and wireless signal receiver 22 can transfer to microprocessor 23 with the control signal that receives wireless signal transmitter 15 running of sending, and makes microprocessor 23 operate control according to control signal to white light emitting diode 21; And receive optical detector 13 when detecting the illumination of calculating and being higher than the illumination range that microcontroller 11 sets in microcontroller 11, microcontroller 11 promptly can see through wireless signal transmitter 15 and launch the control signal that stops, the control signal that will stop to be sent to wireless signal receiver 22, and wireless signal receiver 22 can transfer to microprocessor 23, the control that microprocessor 23 is decommissioned to white light emitting diode 21 according to control signal with receiving wireless signal transmitter 15 control signal that stops of sending.
On the mat, can make auxiliary lighting apparatus 2 can be installed in the desired position more, and not be subjected to the restriction of signal connecting line 3 (shown in Figure 2).
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claims and limited; can make many modifications, variation or equivalence, but all will fall within the scope of protection of the present invention.
Claims (6)
1. the white light floor light control method of a video camera, this video camera is provided with microcontroller, camera, optical detector and filter, video camera is connected to an auxiliary lighting apparatus, wherein the microcontroller of video camera is connected with camera and optical detector respectively, and this optical detector is connected with filter; It is characterized in that, this control method is for when video camera is photographed, utilize the in addition wavelength coverage of the wavelength coverage that can take of filtering camera and white light source that auxiliary lighting apparatus the sends wavelength beyond overlapping of filter, the light source that makes optical detector receive only particular range of wavelengths is detected and is calculated to be illumination, and this illumination is sent to microcontroller, when the illumination of calculating that optical detector is detected is lower than the illumination range that microcontroller sets, microcontroller promptly can drive auxiliary lighting apparatus and send white light source, and when the illumination of calculating that optical detector is detected was higher than the illumination range that microcontroller sets, microcontroller promptly can cut out auxiliary lighting apparatus.
2. the white light floor light control method of video camera as claimed in claim 1 is characterized in that, this can be 400～650nm by the optical source wavelength of filter.
3. the white light floor light control method of video camera as claimed in claim 1 is characterized in that this auxiliary lighting apparatus has many white light emitting diodes.
4. the white light floor light control method of video camera as claimed in claim 1 is characterized in that this auxiliary lighting apparatus is arranged in the video camera.
5. the white light floor light control method of video camera as claimed in claim 1 is characterized in that, this video camera and auxiliary lighting apparatus are arranged for dividing, and utilize signal connecting line to be electrically connected mutually.
6. the white light floor light control method of video camera as claimed in claim 1, it is characterized in that, this video camera and auxiliary lighting apparatus are arranged for dividing, the microcontroller of video camera is connected with wireless signal transmitter, auxiliary lighting apparatus is provided with many white light emitting diodes and wireless signal receiver, and white light emitting diode and wireless signal receiver are connected in microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101977947A CN102279504A (en) | 2010-06-11 | 2010-06-11 | White light auxiliary lighting control method for video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101977947A CN102279504A (en) | 2010-06-11 | 2010-06-11 | White light auxiliary lighting control method for video camera |
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| Publication Number | Publication Date |
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| CN102279504A true CN102279504A (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101977947A Pending CN102279504A (en) | 2010-06-11 | 2010-06-11 | White light auxiliary lighting control method for video camera |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728818A (en) * | 2014-01-22 | 2014-04-16 | 四川圣寰科技有限公司 | Photographic automatic lighting system |
| CN112422932A (en) * | 2020-09-22 | 2021-02-26 | 环鸿科技股份有限公司 | Preprocessing method and system for improving image recognition rate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030086704A1 (en) * | 2001-11-05 | 2003-05-08 | Yoshiyuki Takematsu | Control of light emission from flash lamp externally attached to digital camera |
| US20060275026A1 (en) * | 2005-06-03 | 2006-12-07 | Makoto Oikawa | Image-taking apparatus and control method thereof |
| US20070058959A1 (en) * | 2002-11-26 | 2007-03-15 | Lab Partners Associates, Inc. | Wireless communication activation system and method |
| US20080143868A1 (en) * | 2006-12-18 | 2008-06-19 | Smk Corporation | Camera module |
-
2010
- 2010-06-11 CN CN2010101977947A patent/CN102279504A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030086704A1 (en) * | 2001-11-05 | 2003-05-08 | Yoshiyuki Takematsu | Control of light emission from flash lamp externally attached to digital camera |
| US20070058959A1 (en) * | 2002-11-26 | 2007-03-15 | Lab Partners Associates, Inc. | Wireless communication activation system and method |
| US20060275026A1 (en) * | 2005-06-03 | 2006-12-07 | Makoto Oikawa | Image-taking apparatus and control method thereof |
| US20080143868A1 (en) * | 2006-12-18 | 2008-06-19 | Smk Corporation | Camera module |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728818A (en) * | 2014-01-22 | 2014-04-16 | 四川圣寰科技有限公司 | Photographic automatic lighting system |
| CN103728818B (en) * | 2014-01-22 | 2016-03-02 | 四川圣寰科技有限公司 | The automatic cloth photosystem of a kind of photography |
| CN112422932A (en) * | 2020-09-22 | 2021-02-26 | 环鸿科技股份有限公司 | Preprocessing method and system for improving image recognition rate |
| CN112422932B (en) * | 2020-09-22 | 2022-10-11 | 环鸿科技股份有限公司 | Preprocessing method and system for improving image recognition rate |
| US11688152B2 (en) | 2020-09-22 | 2023-06-27 | Universal Global Scientific Industrial Co., Ltd. | Preprocessing method and preprocessing system for improving image recognition |
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Application publication date: 20111214 |