CN103781261B - The infrared lamp control method of infrared network video camera - Google Patents
The infrared lamp control method of infrared network video camera Download PDFInfo
- Publication number
- CN103781261B CN103781261B CN201410075224.9A CN201410075224A CN103781261B CN 103781261 B CN103781261 B CN 103781261B CN 201410075224 A CN201410075224 A CN 201410075224A CN 103781261 B CN103781261 B CN 103781261B
- Authority
- CN
- China
- Prior art keywords
- value
- video camera
- sensitivity threshold
- infrared lamp
- color component
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Studio Devices (AREA)
Abstract
The invention discloses a kind of infrared lamp control method of infrared network video camera, comprise step: S10, gather the scene image in standard IR scene and obtain the red color component value of all pixels in image, green component values and blue color component value and calculate the optical feature value of all pixels in standard IR scene; S20, go out the assessed value of visual intensity according to the optical feature value of image slices vegetarian refreshments in standard IR scene and the default visible light sensitivity threshold calculations of single pixel, S30, when the assessed value of visual intensity is greater than visible light sensitivity threshold value, automatic closedown infrared lamp by camera switching Summer Solstice or the Winter Solstice inter mode, S40, when the compensation RGB gain in infrared network video camera is greater than gain sensitivity threshold value, automatically open infrared lamp and by camera switching to Night.The present invention there will not be the phenomenon of erroneous judgement, be conducive to the accurate Night of video camera and day inter mode mutual switching, ensure the input quality of image.
Description
Technical field
The present invention relates to infrared network video camera, particularly relate to a kind of infrared lamp control method of infrared network video camera.
Background technology
Infrared lamp open and close controls to be the necessary functions on infrared network video camera.Open infrared lamp when ambient light is more weak, utilize imageing sensor to carry out light filling in the photobehavior of near infrared band to video camera.Control to reduce power consumption to the opening and closing of infrared lamp, increase infrared lamp useful life.
Usually the method adopted in prior art is the brightness of the photoelectric characteristic reception environment utilizing photo resistance, then the change in resistance of photo resistance is converted to the change of the signal of telecommunication, to obtain ambient brightness, judges whether that needing to open infrared lamp carries out light filling.Usual way, takies system hardware resources, needs peripheral circuit and device support, realizes hardware cost higher; Can accurately not judge the brightness of actual photographed scene, if photo resistance is covered the erroneous judgement easily causing equipment to ambient brightness.
Summary of the invention
The present invention proposes a kind of infrared lamp control method of infrared network video camera, what mainly solve is adopt the brightness of the photoelectric characteristic induced environment of photo resistance to judge to carry out light filling to video camera in prior art, easily cause erroneous judgement, and realize the high problem of cost.。
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the infrared lamp control method providing a kind of infrared network video camera, comprises the steps:
S10, gather the scene image in standard IR scene and obtain the red color component value of all pixels in image, green component values and blue color component value, and the optical feature value of all pixels in standard IR scene image is calculated according to red color component value, green component values and blue color component value, wherein, described optical feature value is the ratio of the red color component value of all pixels and the ratio of green component values and blue color component value and green component values in standard IR scene image;
S20, according to the optical feature value of image slices vegetarian refreshments in standard IR scene and the default visible light sensitivity threshold value of single pixel, calculate the assessed value of visual intensity;
S30, when the assessed value of visual intensity is greater than visible light sensitivity threshold value, video camera is also switched to a day inter mode by Night by automatic closedown infrared lamp, wherein, visible light sensitivity threshold value is video camera switches to the visible ray of module at night Sensitirity va1ue from day inter mode;
S40, when the compensation RGB gain in infrared network video camera is greater than gain sensitivity threshold value, automatically opens infrared lamp and video camera is switched to Night by day inter mode.
Wherein, the step selecting all pixels of RGB tri-look micro optical filter to image to filter also is comprised in described step S10.
Wherein, in described step S20, the assessed value of visual intensity is the ratio value b of the shared all pixels of pixel exceeding default visible light sensitivity threshold value, and concrete computing formula is as follows:
b=n1/n
Wherein, n1 represents the pixel number exceeding default visible light sensitivity threshold value, and n represents whole pixel numbers.
Wherein, described step S20 also comprises and records all steps exceeding the pixel number of default visible light sensitivity threshold value, specifically comprises:
Initialization exceeds the pixel number n1 of default visible-light response angle value,
When pixel exceeds the scope of default visible light sensitivity threshold value, record exceeds the pixel number of default visible-light response angle value, and concrete judgment formula is as follows;
(R
g-R/G)
2+(B
g-B/G)
2>a，
Wherein, a is the default visible light sensitivity threshold value of single pixel, Rg is the ratio of the infrared lamp red color component value of fixing and green component values, Bg is the blue color component value of infrared lamp and the ratio of green component values, R/G is the red color component value of actual measurement and the ratio of green component values, and B/G is the blue color component value of actual measurement and the ratio of green component values.
Wherein, also comprise in described step S30 image is increased the step presetting tolerance to the Sensitirity va1ue of visible ray, concrete computing formula is:
b=b
0+d，
Wherein, b represents the Sensitirity va1ue of visible ray, and b0 represents that video camera switches to the sensitivity thresholding of the visible ray of module at night from day inter mode, and d represents default tolerance.
Advantageous Effects of the present invention is: be different from prior art and adopt the brightness of the photoelectric characteristic induced environment of photo resistance to judge to carry out light filling to video camera, the erroneous judgement easily caused and effect diagram picture input problem, the invention provides a kind of infrared lamp control method of infrared network video camera, by the pixel RGB data to collection image, calculate the optical feature value of pixel, the assessed value of visual intensity can be calculated according to the optical feature value of image slices vegetarian refreshments in standard IR scene and visible-light response angle value, realize the control to infrared lamp open and close, concrete, when the assessed value of visual intensity is greater than visible light sensitivity threshold value, automatically closes infrared lamp and video camera is switched to a day inter mode by Night, when the compensation RGB gain in infrared network video camera is greater than gain sensitivity threshold value, automatically opens infrared lamp and video camera is switched to Night by day inter mode.The present invention adopts software to pass through the mode of the loudness point obtaining image, realize switch video camera Night and day inter mode, there will not be the phenomenon of erroneous judgement, be conducive to the accurate Night of video camera and day inter mode mutual switching, ensure the input quality of image.
Accompanying drawing explanation
Fig. 1 is the optical filtering spectrogram of the 645nm cut-off frequency filter that the present invention adopts;
Fig. 2 is the optical filtering spectrogram of the three look micro optical filters that the present invention adopts;
Fig. 3 is the flow chart of the infrared lamp control method of infrared network video camera of the present invention;
The infrared lamp spectrogram of Fig. 4 to be wavelength be 850nm;
The infrared lamp spectrogram of Fig. 5 to be wavelength be 940nm.
Embodiment
By describing technology contents of the present invention, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with execution mode.
Refer to Fig. 3, present embodiments provide a kind of infrared lamp control method of infrared network video camera, comprise the steps:
S10, gather the scene image in standard IR scene and obtain the red color component value of all pixels in image, green component values and blue color component value, and the optical feature value of all pixels in standard IR scene image is calculated according to red color component value, green component values and blue color component value, wherein, described optical feature value is the ratio of the red color component value of all pixels and the ratio of green component values and blue color component value and green component values in standard IR scene image;
S20, according to the optical feature value of pixels all in standard IR scene image and the default visible light sensitivity threshold value of single pixel, calculate the assessed value of current visual intensity.Concrete, in described step S20, the assessed value of visual intensity is the ratio value b of the shared all pixels of pixel exceeding default visible light sensitivity threshold value, and concrete computing formula is as follows:
b=n1/n
Wherein, n1 represents the pixel number exceeding default visible light sensitivity threshold value, and n represents whole pixel numbers.
S30, when the assessed value of visual intensity is greater than visible light sensitivity threshold value, video camera is also switched to a day inter mode by Night by automatic closedown infrared lamp, wherein, visible light sensitivity threshold value is video camera switches to the visible ray of module at night Sensitirity va1ue from day inter mode; When video camera is from the inter mode switching of night to day, process chip can be utilized process.
S40, when the compensation RGB gain in infrared network video camera is greater than gain sensitivity threshold value, automatically opens infrared lamp and video camera is switched to Night by day inter mode.When the insufficient light in the external world, common thermal camera all can give the brightness automatically regulating image, namely for image provides RGB gain.And when the brightness of visible ray is too low, at this moment provide visible ray by infrared lamp.
In a specific embodiment, in described step S10, also comprise the step selecting all pixels of RGB tri-look micro optical filter to image to filter.Here adopt three look micro optical filters to filter to image, its objective is tri-brightness of look of R, G, B in gating pixel, so that follow-up, the brightness of RGB in pixel is analyzed.
In a specific embodiment, described step S20 also comprises and records all steps exceeding the pixel number of default visible light sensitivity threshold value, specifically comprises:
Initialization exceeds the pixel number n1 of default visible-light response angle value,
When pixel exceeds the scope of default visible light sensitivity threshold value, record exceeds the pixel number of default visible-light response angle value, and concrete judgment formula is as follows;
(R
g-R/G)
2+(B
g-B/G)
2>a，
Wherein, a is the default visible light sensitivity threshold value of single pixel, Rg is the ratio of the infrared lamp red color component value of fixing and green component values, Bg is the blue color component value of infrared lamp and the ratio of green component values, R/G is the red color component value of actual measurement and the ratio of green component values, and B/G is the blue color component value of actual measurement and the ratio of green component values.This step specifically judges by falling into visible light sensitivity scope, during night, the rgb value of pixel is provided by infrared lamp, now, all pixels are not all in the scope of visible ray, and during dawn, partial pixel point is exposed at outside the scope of visible light sensitivity, at this moment, the assessed value of concrete visible ray visual intensity can be calculated.
In a specific embodiment, also comprise in described step S30 image is increased the step presetting tolerance to the Sensitirity va1ue of visible ray, concrete computing formula is:
b=b
0+d，
Wherein, b represents the Sensitirity va1ue of visible ray, and b0 represents that video camera switches to the sensitivity thresholding of the visible ray of module at night from day inter mode, and d represents default tolerance.Above-mentioned tolerance is to prevent the switching repeatedly of video camera critical conduction mode again.
Concrete principle is as follows: because the refractive index of different light is different, and the imageing sensor of equipment use can arrive near infrared band by sensitive volume.If so do not use filter easily to cause image empty burnt.The filter on daytime can filter near infrared light.Filter is due to specification difference, and have different cut-off frequencies, Fig. 1 is the spectrogram of 645nm cut-off frequency filter.The filter that night uses is full impregnated sheet, all absolutely close to the transmitance of the light of all frequencies.Imageing sensor micro optical filter: for color image sensor, sensor pixel surface has RGB tri-look micro optical filter, filter spectral characteristic is illustrated in fig. 2 shown below: from left to right, the blue luminences of the graphical representation picture of first crest, the Green brightness of the graphical representation picture of second crest, the red luma of the graphical representation picture of the 3rd crest.The wavelength of the light that infrared light compensating lamp common on the market sends is when more than 850nm, the light filling wave band infrared band in infrared lamp work can be found out, consult Fig. 4 and Fig. 5, Fig. 4 to be wavelength be 850 infrared lamp spectrogram, and the infrared lamp spectrogram of Fig. 5 to be wavelength be 940nm, the light therethrough rate curve of RGB three-colour filter overlaps, so the infrared light sent for infrared lamp, the no matter power of light, the value of R/GB/G is fixing.And due to visible light wave range, the color of object is different, the ratio of RGB can depart from definite value when only having infrared lamp, analyzes the size departed from, appear at see luminous intensity.To sum up, just can draw the power of pixel brightness to the judgement of the optical signature of infrared lamp, this part realizes by the processor of special image processing hardware and control.
The present invention is different from prior art and adopts the brightness of the photoelectric characteristic induced environment of photo resistance to judge to carry out light filling to video camera, the erroneous judgement easily caused and effect diagram picture input problem, the invention provides a kind of infrared lamp control method of infrared network video camera, by the pixel RGB data to collection image, calculate the optical feature value of pixel, according to the optical feature value of image slices vegetarian refreshments in standard IR scene and the default visible light sensitivity threshold value of single pixel, calculate the assessed value of described image to visual intensity, realize the control to infrared lamp open and close, concrete, when the assessed value of visual intensity is greater than visible light sensitivity threshold value, automatically closes infrared lamp and video camera is switched to a day inter mode by Night, when the compensation RGB gain in infrared network video camera is greater than gain sensitivity threshold value, automatically opens infrared lamp and video camera is switched to Night by day inter mode.The present invention adopts software to pass through the mode of the loudness point obtaining image, realize switch video camera Night and day inter mode, there will not be the phenomenon of erroneous judgement, be conducive to the accurate Night of video camera and day inter mode mutual switching, ensure the input quality of image.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. an infrared lamp control method for infrared network video camera, is characterized in that, comprise the steps:
S10, gather the scene image in standard IR scene and obtain the red color component value of all pixels in image, green component values and blue color component value, and the optical feature value of all pixels in standard IR scene image is calculated according to red color component value, green component values and blue color component value, wherein, described optical feature value is the ratio of the red color component value of all pixels and the ratio of green component values and blue color component value and green component values in standard IR scene image;
S20, according to the optical feature value of image slices vegetarian refreshments in standard IR scene and the default visible light sensitivity threshold value of single pixel, calculate the assessed value of visual intensity;
S30, when the assessed value of visual intensity is greater than visible light sensitivity threshold value, video camera is also switched to a day inter mode by Night by automatic closedown infrared lamp, wherein, visible light sensitivity threshold value is video camera switches to the visible ray of module at night Sensitirity va1ue from day inter mode;
S40, when the compensation RGB gain in infrared network video camera is greater than gain sensitivity threshold value, automatically opens infrared lamp and video camera is switched to Night by day inter mode;
In described step S20, the assessed value of visual intensity is the ratio value b of the shared all pixels of pixel exceeding default visible light sensitivity threshold value, and concrete computing formula is as follows:
b＝n1/n
Wherein, n1 represents the pixel number exceeding default visible light sensitivity threshold values, and n represents whole pixel numbers;
Described step S20 also comprises and records all steps exceeding the pixel number of default visible light sensitivity threshold value, specifically comprises:
Initialization exceeds the pixel number n1 of default visible light sensitivity threshold value,
When pixel exceeds the scope of default visible light sensitivity threshold value, record exceeds the pixel number of default visible-light response angle value, and concrete judgment formula is as follows;
(R
g-R/G)
2+(B
g-B/G)
2>a，
Wherein, a is the default visible light sensitivity threshold value of single pixel, Rg is the ratio of the infrared lamp red color component value of fixing and green component values, Bg is the blue color component value of infrared lamp and the ratio of green component values, R/G is the red color component value of actual measurement and the ratio of green component values, and B/G is the blue color component value of actual measurement and the ratio of green component values.
2. the infrared lamp control method of infrared network video camera according to claim 1, is characterized in that, also comprises the step selecting all pixels of RGB tri-look micro optical filter to image to filter in described step S10.
3. the infrared lamp control method of infrared network video camera according to claim 1, is characterized in that, also comprise in described step S30 image is increased the step presetting tolerance to the Sensitirity va1ue of visible ray, concrete computing formula is:
b＝b
0+d，
Wherein, b represents the Sensitirity va1ue of visible ray, and b0 represents that video camera switches to the sensitivity thresholding of the visible ray of module at night from day inter mode, and d represents default tolerance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075224.9A CN103781261B (en) | 2014-02-28 | 2014-02-28 | The infrared lamp control method of infrared network video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075224.9A CN103781261B (en) | 2014-02-28 | 2014-02-28 | The infrared lamp control method of infrared network video camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103781261A CN103781261A (en) | 2014-05-07 |
| CN103781261B true CN103781261B (en) | 2015-12-09 |
Family
ID=50572929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410075224.9A Active CN103781261B (en) | 2014-02-28 | 2014-02-28 | The infrared lamp control method of infrared network video camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103781261B (en) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135626A (en) * | 2014-07-31 | 2014-11-05 | 天津市亚安科技股份有限公司 | Device and method for automatically adjusting auxiliary lighting equipment |
| CN106375645B (en) * | 2015-07-21 | 2019-08-30 | 杭州海康威视数字技术股份有限公司 | A kind of adaptive control system based on infrared eye |
| CN105554380B (en) * | 2015-12-11 | 2019-01-15 | 浙江宇视科技有限公司 | A kind of switching method and device round the clock |
| JP2017212512A (en) * | 2016-05-24 | 2017-11-30 | 三星ダイヤモンド工業株式会社 | Imaging apparatus and image management system |
| CN106101549B (en) * | 2016-07-07 | 2019-04-30 | 浙江宇视科技有限公司 | Automatic switching method, apparatus and system round the clock |
| CN108289164B (en) * | 2017-01-10 | 2020-07-03 | 杭州海康威视数字技术股份有限公司 | Mode switching method and device of camera with infrared light supplement lamp |
| CN107370955A (en) * | 2017-08-21 | 2017-11-21 | 深圳市天视通电子科技有限公司 | Can be automatically switched web camera, implementation method and the monitoring system of diurnal pattern |
| CN107911581A (en) * | 2017-11-15 | 2018-04-13 | 深圳市共进电子股份有限公司 | The infrared switching method of web camera, device, storage medium and web camera |
| CN108109393A (en) * | 2018-01-10 | 2018-06-01 | 合肥师范学院 | The traffic monitor of changeable image pickup mode |
| CN108093183B (en) * | 2018-02-11 | 2020-10-23 | 普联技术有限公司 | Camera day and night mode switching method and terminal equipment |
| CN108710857B (en) * | 2018-05-22 | 2022-05-17 | 深圳前海华夏智信数据科技有限公司 | Method and device for identifying people and vehicles based on infrared supplementary lighting |
| CN108989667B (en) * | 2018-06-29 | 2020-12-01 | 惠州华阳通用电子有限公司 | Infrared light supplement system and method |
| CN109302566A (en) * | 2018-11-22 | 2019-02-01 | 深圳市景阳科技股份有限公司 | A kind of method, apparatus and terminal device of determining screening-mode |
| CN111010515B (en) * | 2019-12-26 | 2021-08-20 | 杭州涂鸦信息技术有限公司 | Day and night switching method and device for camera |
| CN113128259B (en) * | 2019-12-30 | 2023-08-29 | 杭州海康威视数字技术股份有限公司 | Face recognition device and face recognition method |
| CN111479064B (en) * | 2020-04-16 | 2021-08-27 | 浙江大华技术股份有限公司 | Day and night mode switching control method and device applied to fog-penetrating camera |
| CN111654692B (en) * | 2020-06-15 | 2022-03-29 | 浙江水晶光电科技股份有限公司 | Camera detection method and device, camera and storage medium |
| CN111988532B (en) * | 2020-07-16 | 2022-07-12 | 哈尔滨海能达科技有限公司 | Control method and device for night vision compensation lamp switch |
| CN112817108B (en) * | 2021-01-22 | 2022-10-18 | 浙江大华技术股份有限公司 | Method and device for detecting switching between optical filters, storage medium and electronic device |
| CN113329145B (en) * | 2021-04-19 | 2022-12-09 | 北京蓝色星云科技发展有限公司 | Control method and device of monitoring equipment, monitoring equipment and storage medium |
| CN113873155B (en) * | 2021-09-26 | 2023-06-09 | 烽火通信科技股份有限公司 | Method and device for enhancing soft photosensitive mode judgment accuracy |
| CN116193248A (en) * | 2021-11-25 | 2023-05-30 | 中兴通讯股份有限公司 | Mode switching method and device for terminal equipment and storage medium |
| CN114827479B (en) * | 2022-06-29 | 2022-09-27 | 深圳比特微电子科技有限公司 | Working mode switching method and device of monitoring equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201256421Y (en) * | 2008-08-22 | 2009-06-10 | 深圳市同洲电子股份有限公司 | Infrared camera |
| CN201690527U (en) * | 2010-05-20 | 2010-12-29 | 浙江纳特智能网络工程有限公司 | Camera monitoring device |
| CN102572285A (en) * | 2012-02-08 | 2012-07-11 | 深圳市黄河数字技术有限公司 | Day and night mode switching method of CCD camera |
| CN102843518A (en) * | 2012-09-26 | 2012-12-26 | 武汉烽火众智数字技术有限责任公司 | Method and device for intelligently regulating light intensity of infrared lamps |
| CN202696754U (en) * | 2012-01-19 | 2013-01-23 | 迅驰（北京）视讯科技有限公司 | Digital vidicon |
| CN202773130U (en) * | 2012-07-27 | 2013-03-06 | 安防智能(中国)有限公司 | Infrared camera and infrared light modulation circuit thereof |
| CN203151832U (en) * | 2013-03-25 | 2013-08-21 | 常州新区爱立德电子有限公司 | A LED street lamp controller based on infrared and radar induction |
| CN203261528U (en) * | 2013-04-25 | 2013-10-30 | 广东安居宝数码科技股份有限公司 | Infrared LED lamp dimming circuit of video camera |
-
2014
- 2014-02-28 CN CN201410075224.9A patent/CN103781261B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201256421Y (en) * | 2008-08-22 | 2009-06-10 | 深圳市同洲电子股份有限公司 | Infrared camera |
| CN201690527U (en) * | 2010-05-20 | 2010-12-29 | 浙江纳特智能网络工程有限公司 | Camera monitoring device |
| CN202696754U (en) * | 2012-01-19 | 2013-01-23 | 迅驰（北京）视讯科技有限公司 | Digital vidicon |
| CN102572285A (en) * | 2012-02-08 | 2012-07-11 | 深圳市黄河数字技术有限公司 | Day and night mode switching method of CCD camera |
| CN202773130U (en) * | 2012-07-27 | 2013-03-06 | 安防智能(中国)有限公司 | Infrared camera and infrared light modulation circuit thereof |
| CN102843518A (en) * | 2012-09-26 | 2012-12-26 | 武汉烽火众智数字技术有限责任公司 | Method and device for intelligently regulating light intensity of infrared lamps |
| CN203151832U (en) * | 2013-03-25 | 2013-08-21 | 常州新区爱立德电子有限公司 | A LED street lamp controller based on infrared and radar induction |
| CN203261528U (en) * | 2013-04-25 | 2013-10-30 | 广东安居宝数码科技股份有限公司 | Infrared LED lamp dimming circuit of video camera |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103781261A (en) | 2014-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103781261B (en) | The infrared lamp control method of infrared network video camera | |
| JP6461372B2 (en) | Imaging method, imaging apparatus, and terminal | |
| CN102932582B (en) | Method and device for realizing motion detection | |
| CN103220534B (en) | Image capturing device and method | |
| JP2020504565A (en) | Camera assembly and mobile electronic device | |
| CN103634581A (en) | White balance control method, device and electronic equipment | |
| WO2021109620A1 (en) | Exposure parameter adjustment method and apparatus | |
| CA3049704C (en) | Camera assembly and mobile electronic device | |
| JP6394338B2 (en) | Image processing apparatus, image processing method, and imaging system | |
| CN103856823A (en) | Interface adjustment method, device and terminal | |
| CN104661008A (en) | Processing method and device for improving colorful image quality under condition of low-light level | |
| WO2016122910A1 (en) | Dual camera systems and methods for rapid 3a convergence and high dynamic range exposure metering | |
| CN102801906B (en) | Monitoring camera with day and night double apertures | |
| CN106470336A (en) | Camera color temperature compensating system and intelligent terminal | |
| CN108111843B (en) | Test method and test system for mobile optical filter camera module | |
| CN202475619U (en) | Night vision system for eliminating stray light | |
| CN108174172A (en) | Image pickup method and device, computer readable storage medium and computer equipment | |
| WO2021174425A1 (en) | Image sensor and image sensitization method | |
| CN102972020B (en) | Camera model and the method driving camera model | |
| CN208954611U (en) | A kind of outdoor LED display screen gamma correction system | |
| CN104079909A (en) | Automatic white balance method and device for image | |
| CN110072035A (en) | Dual imaging system | |
| CN204131599U (en) | A kind of automatic monitoring camera head | |
| US10270979B2 (en) | Automatically depth-of-field adjusting method and camera | |
| WO2015149711A1 (en) | Infrared control device and method, and camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |