CN103676409A - Method and device for controlling various flash lamps based on intelligent traffic monitoring system - Google Patents
Method and device for controlling various flash lamps based on intelligent traffic monitoring system Download PDFInfo
- Publication number
- CN103676409A CN103676409A CN201210346823.0A CN201210346823A CN103676409A CN 103676409 A CN103676409 A CN 103676409A CN 201210346823 A CN201210346823 A CN 201210346823A CN 103676409 A CN103676409 A CN 103676409A
- Authority
- CN
- China
- Prior art keywords
- video
- time shutter
- time
- sun
- flashing light
- 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.)
- Granted
Links
Images
Landscapes
- Closed-Circuit Television Systems (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a method and a device for controlling various flash lamps based on an intelligent traffic monitoring system. The method comprises the following steps: in a process of shooting video images by a video camera, setting exposure time of every video frame as video exposure time and starting the flash lamps; if receiving a snapshot signal for snapshotting the set number of video frame images, determining snapshot exposure time according to a snapshotted object; judging whether current video frame meets the flash lamp starting conditions; if so, changing the exposure time of the set number of video frames starting from the current video frame to the snapshot exposure time, and starting the flash lamps within the snapshot exposure time; if not, changing the exposure time of the set number of video frames starting from a next video frame to the snapshot exposure time, and starting the flash lamps within the snapshot exposure time. According to the scheme, the service life of the flash lamps is prolonged and the snapshotted image quality is guaranteed.
Description
Technical field
The present invention relates to intelligent traffic monitoring technical field, espespecially a kind of multiple flash lamp control method and device based on intelligent traffic monitoring system.
Background technology
Intelligent traffic monitoring system is being played the part of key player in Traffic monitoring, traffic administration and social security, video camera is as the eyes of intelligent traffic monitoring system, its effect is more outstanding, being arranged on video camera on track can Real-time Collection video image, vehicle, pedestrian etc. through the out-of-date image of capturing.Different to light filling requirement with candid photograph image owing to gathering video image, the flashlamp of enabling when gathering video image and capturing image is difference also: when collection video image, generally enable stroboscopic lamp, generally enable the flashing light that exposes to the sun when capturing image.
Owing to there being at least two kinds of flashlamp, so how accurately control the open and close of various flashlamp, guarantee that the quality that gathers video image and capture image is extremely important with regard to what become.Existing multiple flash lamp control method is: when gathering video image, stroboscopic lamp is always in opening, and the flashing light that exposes to the sun when capturing image is opened in advance than the initial time of the time shutter of the imageing sensor in video camera.There is following defect in this multiple flash lamp control method: because stroboscopic lamp is always in opening, will shorten like this life-span of stroboscopic lamp; And the flashing light that exposes to the sun is opened in advance, just can not synchronize with the time shutter of imageing sensor, cause capturing image and owe to expose to the sun.
In sum, because existing multiple flash lamp control method degree of accuracy is poor, shortened flashlamp life-span, affected candid photograph picture quality.
Summary of the invention
The embodiment of the present invention provides a kind of multiple flash lamp control method and device based on intelligent traffic monitoring system, poor in order to solve existing multiple flash lamp control method degree of accuracy, and the problem of picture quality is captured in the shortening flashlamp life-span causing, impact.
A multiple flash lamp control method based on intelligent traffic monitoring system, comprising:
In the process of video camera capture video image, the time shutter that each frame of video is set is the video time shutter, at described video, in the time shutter, enables stroboscopic lamp;
If receive, capture the candid photograph signal of setting number video frame images, according to the object of capturing, determine and capture the time shutter;
Judge whether current video frame meets the flashing light conditions for use that exposes to the sun;
If meet, the time shutter of the described setting number frame of video starting from current video frame is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun; If do not meet, the time shutter of the described setting number frame of video starting from next frame of video is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun.
A multiple device for controlling flashlight based on intelligent traffic monitoring system, comprising:
Stroboscopic lamp is enabled unit, and for the process at video camera capture video image, the time shutter that each frame of video is set is the video time shutter, at described video, in the time shutter, enables stroboscopic lamp;
The flashing light that exposes to the sun is enabled unit, if capture for receiving the candid photograph signal of setting number video frame images, according to the object of capturing, determines and captures the time shutter; Judge whether current video frame meets the flashing light conditions for use that exposes to the sun; If meet, the time shutter of the described setting number frame of video starting from current video frame is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun; If do not meet, the time shutter of the described setting number frame of video starting from next frame of video is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun.
Beneficial effect of the present invention is as follows:
Multiple flash lamp control method and device based on intelligent traffic monitoring system that the embodiment of the present invention provides, in the process at video camera capture video image, the time shutter that each frame of video is set is the video time shutter, at described video, in the time shutter, enables stroboscopic lamp; If receive, capture the candid photograph signal of setting number video frame images, according to the object of capturing, determine and capture the time shutter; Judge whether current video frame meets the flashing light conditions for use that exposes to the sun; If meet, the time shutter of the described setting number frame of video starting from current video frame is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun; If do not meet, the time shutter of the described setting number frame of video starting from next frame of video is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun.This scheme is in the process of video camera capture video image, only the video in each video is enabled stroboscopic lamp in the time shutter, in each frame of video, close except the other times stroboscopic lamp of video the time shutter, with respect to prior art, at video camera, take a direct-open stroboscopic lamp in the process of whole video image, both can extend the life-span of stroboscopic lamp, again can saves energy, if receive the candid photograph signal of setting number frame of video in the process of video camera capture video image, first determine and capture the time shutter, then judge whether current video frame meets the flashing light conditions for use that exposes to the sun, if meet, the time shutter of the setting number frame of video starting from current video frame is revised as and is captured the time shutter, within the candid photograph time shutter, enable the flashing light that exposes to the sun, if do not meet, the time shutter of the setting number frame of video starting from next frame of video is not revised as and is captured the time shutter, within the candid photograph time shutter, enable the flashing light that exposes to the sun, avoid prior art to open in advance the flashing light that exposes to the sun and caused the problem that image is owed to expose to the sun of capturing, can better guarantee to expose to the sun the flashing light opening time with to capture the time shutter consistent, also just guaranteed to capture the quality of image.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the multiple flash lamp control method based on intelligent traffic monitoring system in the embodiment of the present invention;
Fig. 2 is the sequential chart of each frame of video of capture video image in the embodiment of the present invention;
Fig. 3 is the sequential chart of each frame of video when current video frame meets flashing light conditions for use in the embodiment of the present invention;
The sequential chart of each frame of video when next frame of video meets flashing light conditions for use in Fig. 4 embodiment of the present invention;
Fig. 5 is the structural representation of the multiple device for controlling flashlight based on intelligent traffic monitoring system in the embodiment of the present invention.
Embodiment
Poor for existing multiple flash lamp control method degree of accuracy, the problem of picture quality is captured in the shortening flashlamp life-span causing, impact, the embodiment of the present invention provides a kind of multiple flash lamp control method based on intelligent traffic monitoring system, the flow process of the method as shown in Figure 1, performs step as follows:
S10: in the process of video camera capture video image, the time shutter that each frame of video is set is the video time shutter, enables stroboscopic lamp at video in the time shutter.
In the process of video camera capture video image, imageing sensor in video camera all can expose in each frame of video, as shown in Figure 2, the time shutter at this moment can be set to the video time shutter, and the length of video time shutter can be according to the intensity of illumination of surrounding environment etc. because usually determining.
At video time shutter initial time, send imageing sensor exposure signal, enable stroboscopic lamp simultaneously and carry out light filling.
S11: capture if receive the candid photograph signal of setting number video frame images, determine and capture the time shutter according to the object of capturing.
If receive candid photograph signal in the process of capture video image, first need to determine and capture the time shutter according to the object of capturing, the object of capturing is different, the candid photograph time shutter is also variant, for example, while capturing the vehicle on track, because the speed of vehicle is general than very fast, so capturing the time shutter can be shorter, while capturing the pedestrian on track, because pedestrian's speed is generally slow, so capture the time shutter, just need longer.
This candid photograph signal can be electricity signal triggering frequently, can be also data communication instruction triggers.This candid photograph signal designation will be captured continuously and set number frame of video, and the setting number here can be 1,2,3 ... etc. in any numerical value.
S12: judge that whether current video frame meets the flashing light conditions for use that exposes to the sun, if meet, carries out S13; Otherwise, carry out S14.
S13: the time shutter of the setting number frame of video starting from current video frame is revised as and is captured the time shutter, enable the flashing light that exposes to the sun within the candid photograph time shutter.
S14: the time shutter of the setting number frame of video starting from next frame of video is revised as and is captured the time shutter, enable the flashing light that exposes to the sun within the candid photograph time shutter.
After receiving candid photograph signal, first judge whether current video frame meets the flashing light conditions for use that exposes to the sun, if current video frame meets flashing light conditions for use, directly the time shutter of the setting number frame of video starting from current video frame is revised as and is captured the time shutter, receive capture signal time be carved into can modify during this period of time between the initial time of candid photograph time shutter of present frame, within the candid photograph time shutter of the setting number frame of video starting from current video frame, enable the flashing light that exposes to the sun, the video time shutter that the time shutter of the frame of video after candid photograph finishes arranges before being still, at video, in the time shutter, starting stroboscopic lamp, if current video frame does not meet flashing light conditions for use, the time shutter of the setting number frame of video starting from next frame of video is revised as and is captured the time shutter, receive capture signal time be carved into can modify during this period of time between the initial time of candid photograph time shutter of next frame, within the candid photograph time shutter of the setting number frame of video starting from next frame of video, enable the flashing light that exposes to the sun, the video time shutter that time shutter after candid photograph finishes arranges before being still, at video, in the time shutter, start stroboscopic lamp.
This scheme is in the process of video camera capture video image, only the video in each video is enabled stroboscopic lamp in the time shutter, in each frame of video, close except the other times stroboscopic lamp of video the time shutter, with respect to prior art, at video camera, take a direct-open stroboscopic lamp in the process of whole video image, both can extend the life-span of stroboscopic lamp, again can saves energy, if receive the candid photograph signal of setting number frame of video in the process of video camera capture video image, first determine and capture the time shutter, then judge whether current video frame meets the flashing light conditions for use that exposes to the sun, if meet, the time shutter of the setting number frame of video starting from current video frame is revised as and is captured the time shutter, within the candid photograph time shutter, enable the flashing light that exposes to the sun, if do not meet, the time shutter of the setting number frame of video starting from next frame of video is not revised as and is captured the time shutter, within the candid photograph time shutter, enable the flashing light that exposes to the sun, avoid prior art to open in advance the flashing light that exposes to the sun and caused the problem that image is owed to expose to the sun of capturing, can better guarantee to expose to the sun the flashing light opening time with to capture the time shutter consistent, also just guaranteed to capture the quality of image.
A kind of expansion scheme as this scheme, if there is two or more flashlamp, can first determine the time shutter of each frame of video, obtain a time shutter sequence, then by the time shutter sequence obtaining, revise one by one the time shutter of each frame of video, and the initial time of each frame of video between zero hour time shutter of this frame of video during this period of time in can revise.
Concrete, whether the current video frame that judges in above-mentioned S12 meets the flashing light conditions for use that exposes to the sun, and specifically comprises: obtain and receive the moment and the current video frame of capturing signal and gather the very first time length between the finish time; Judge whether very first time length is more than or equal to the candid photograph time shutter; If very first time length is more than or equal to, capture the time shutter, current video frame meets the flashing light conditions for use that exposes to the sun; If very first time length is less than, capture the time shutter, current video frame does not meet the flashing light conditions for use that exposes to the sun.
Judging that whether current video frame meets while exposing to the sun flashing light conditions for use, first obtain and receive the moment and the current video frame of capturing signal and gather the very first time length between the finish time, judge whether very first time length is greater than the candid photograph time shutter, that is to say at current video frame and in the remaining time, whether be more than or equal to and capture the time shutter, if being more than or equal to, very first time length captures the time shutter, as shown in Figure 3, current video frame meets the flashing light conditions for use that exposes to the sun, and also just the video time shutter of present frame can be revised as and capture the time shutter; Otherwise as shown in Figure 4, current video frame does not meet the flashing light conditions for use that exposes to the sun, and the video time shutter of next frame of video can only be repaiied as capturing the time shutter.
Concrete, in above-mentioned S10, at video, in the time shutter, enable stroboscopic lamp, specifically comprise: before the initial time of video time shutter, in the first setting-up time length, send stroboscopic lamp start signal, in the termination of video time shutter constantly or send stroboscopic lamp shutdown signal default finish time stroboscopic lamp duration.
In order to guarantee that stroboscopic lamp can open in time, can before the initial time of video time shutter, in the first setting-up time length, send stroboscopic lamp start signal, the first setting-up time length can be set according to actual needs, preferably can be made as 1-5ms.
Different in size due to video time shutter and default stroboscopic lamp duration, can be according to sending stroboscopic lamp shutdown signal compared with the moment of early stopping in the two, namely can be in the termination of video time shutter constantly or send stroboscopic lamp shutdown signal default finish time stroboscopic lamp duration, wherein, the default stroboscopic lamp duration is predefined according to the characteristic of stroboscopic lamp.
Concrete, in above-mentioned S13 and S14, enable the flashing light that exposes to the sun capturing in the time shutter, specifically comprise: before the initial time of capturing the time shutter, in the second setting-up time length, send the flashing light start signal of exposing to the sun, after the flashing light duration of exposing to the sun of capturing the termination moment of time shutter or preset finishes, send the flashing light shutdown signal of exposing to the sun.
For the flashing light that guarantees to expose to the sun can be opened in time, can before the initial time of capturing the time shutter, in the second setting-up time length, send the flashing light start signal of exposing to the sun, the second setting-up time length can be set according to actual needs, preferably can be made as 1-5ms.
Owing to capturing time shutter and the different in size of flashing light duration of exposing to the sun, can be according to sending compared with the moment of early stopping the flashing light shutdown signal of exposing to the sun in the two, namely can send in finish time flashing light duration of exposing to the sun of capturing the termination moment of time shutter or preset the flashing light shutdown signal of exposing to the sun, wherein, the default flashing light duration of exposing to the sun is predefined according to the characteristic of the flashing light that exposes to the sun.
Based on same inventive concept, the embodiment of the present invention provides a kind of multiple device for controlling flashlight based on intelligent traffic monitoring system, and this apparatus structure as shown in Figure 5, comprising:
Stroboscopic lamp is enabled unit 50, and for the process at video camera capture video image, the time shutter that each frame of video is set is the video time shutter, at video, in the time shutter, enables stroboscopic lamp.
The flashing light that exposes to the sun is enabled unit 51, if capture for receiving the candid photograph signal of setting number video frame images, according to the object of capturing, determines and captures the time shutter; Judge whether current video frame meets the flashing light conditions for use that exposes to the sun; If meet, the time shutter of the setting number frame of video starting from current video frame is revised as and is captured the time shutter, within the candid photograph time shutter, enable the flashing light that exposes to the sun; If do not meet, the time shutter of the setting number frame of video starting from next frame of video is revised as and is captured the time shutter, within the candid photograph time shutter, enable the flashing light that exposes to the sun.
The above-mentioned multiple device for controlling flashlight based on intelligent traffic monitoring system can will can be also other devices for field programmable gate array (Field Programmable Gate Array, FPGA) certainly, here repeats no more.
Concrete, the above-mentioned flashing light that exposes to the sun is enabled unit 51, specifically for: obtain and receive the moment and the current video frame of capturing signal and gather the very first time length between the finish time; Judge whether very first time length is more than or equal to the candid photograph time shutter; If very first time length is more than or equal to, capture the time shutter, current video frame meets the flashing light conditions for use that exposes to the sun; If very first time length is less than, capture the time shutter, current video frame does not meet the flashing light conditions for use that exposes to the sun.
Concrete, above-mentioned stroboscopic lamp is enabled unit 50, specifically for: before the initial time of video time shutter, in the first setting-up time length, send stroboscopic lamp start signal, in the termination of video time shutter constantly or send the flashing light shutdown signal of exposing to the sun default finish time stroboscopic lamp duration.
Concrete, the above-mentioned flashing light that exposes to the sun is enabled unit 51, specifically for: before the initial time of capturing the time shutter, in the second setting-up time length, send the flashing light start signal of exposing to the sun, after the flashing light duration of exposing to the sun of capturing the termination moment of time shutter or preset finishes, send the flashing light shutdown signal of exposing to the sun.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. the multiple flash lamp control method based on intelligent traffic monitoring system, is characterized in that, comprising:
In the process of video camera capture video image, the time shutter that each frame of video is set is the video time shutter, at described video, in the time shutter, enables stroboscopic lamp;
If receive, capture the candid photograph signal of setting number video frame images, according to the object of capturing, determine and capture the time shutter;
Judge whether current video frame meets the flashing light conditions for use that exposes to the sun;
If meet, the time shutter of the described setting number frame of video starting from current video frame is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun; If do not meet, the time shutter of the described setting number frame of video starting from next frame of video is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun.
2. the method for claim 1, is characterized in that, judges that whether current video frame meets the flashing light conditions for use that exposes to the sun, and specifically comprises:
Obtain and receive moment of described candid photograph signal and current video frame gathers the very first time length between the finish time;
Judge whether described very first time length is more than or equal to the described candid photograph time shutter;
If described very first time length is more than or equal to the described candid photograph time shutter, described current video frame meets the flashing light conditions for use that exposes to the sun;
If described very first time length is less than the described candid photograph time shutter, described current video frame does not meet the flashing light conditions for use that exposes to the sun.
3. the method for claim 1, is characterized in that, at video, in the time shutter, enables stroboscopic lamp, specifically comprises:
Before the initial time of video time shutter, in the first setting-up time length, send stroboscopic lamp start signal, in the termination of video time shutter constantly or send stroboscopic lamp shutdown signal default finish time stroboscopic lamp duration.
4. the method as described in as arbitrary in claim 2-3, is characterized in that, described the first setting-up time is 1-5ms.
5. the method for claim 1, is characterized in that, within the described candid photograph time shutter, enables the flashing light that exposes to the sun, and specifically comprises:
Before the initial time of described candid photograph time shutter, in the second setting-up time length, send the flashing light start signal of exposing to the sun, after the described flashing light duration of exposing to the sun of capturing the termination moment of time shutter or presetting finishes, send the flashing light shutdown signal of exposing to the sun.
6. method as claimed in claim 5, is characterized in that, described the second setting-up time is 1-5ms.
7. the multiple device for controlling flashlight based on intelligent traffic monitoring system, is characterized in that, comprising:
Stroboscopic lamp is enabled unit, and for the process at video camera capture video image, the time shutter that each frame of video is set is the video time shutter, at described video, in the time shutter, enables stroboscopic lamp;
The flashing light that exposes to the sun is enabled unit, if capture for receiving the candid photograph signal of setting number video frame images, according to the object of capturing, determines and captures the time shutter; Judge whether current video frame meets the flashing light conditions for use that exposes to the sun; If meet, the time shutter of the described setting number frame of video starting from current video frame is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun; If do not meet, the time shutter of the described setting number frame of video starting from next frame of video is revised as to the described candid photograph time shutter, within the described candid photograph time shutter, enable the flashing light that exposes to the sun.
8. device as claimed in claim 7, is characterized in that, described in the flashing light that exposes to the sun enable unit, specifically for:
Obtain and receive moment of described candid photograph signal and current video frame gathers the very first time length between the finish time;
Judge whether described very first time length is more than or equal to the described candid photograph time shutter;
If described very first time length is more than or equal to the described candid photograph time shutter, described current video frame meets the flashing light conditions for use that exposes to the sun;
If described very first time length is less than the described candid photograph time shutter, described current video frame does not meet the flashing light conditions for use that exposes to the sun.
9. device as claimed in claim 7, is characterized in that, described stroboscopic lamp is enabled unit, specifically for:
Before the initial time of video time shutter, in the first setting-up time length, send stroboscopic lamp start signal, in the termination of video time shutter constantly or send the flashing light shutdown signal of exposing to the sun default finish time stroboscopic lamp duration.
10. device as claimed in claim 7, is characterized in that, described in the flashing light that exposes to the sun enable unit, specifically for:
Before the initial time of described candid photograph time shutter, in the second setting-up time length, send the flashing light start signal of exposing to the sun, after the described flashing light duration of exposing to the sun of capturing the termination moment of time shutter or presetting finishes, send the flashing light shutdown signal of exposing to the sun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210346823.0A CN103676409B (en) | 2012-09-18 | 2012-09-18 | Multiple flash lamp control method and device based on intelligent traffic monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210346823.0A CN103676409B (en) | 2012-09-18 | 2012-09-18 | Multiple flash lamp control method and device based on intelligent traffic monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103676409A true CN103676409A (en) | 2014-03-26 |
| CN103676409B CN103676409B (en) | 2016-07-06 |
Family
ID=50314430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210346823.0A Active CN103676409B (en) | 2012-09-18 | 2012-09-18 | Multiple flash lamp control method and device based on intelligent traffic monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103676409B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092944A (en) * | 2014-07-21 | 2014-10-08 | Tcl通讯（宁波）有限公司 | Flashlight control method and system used during mobile terminal photographing |
| CN106254786A (en) * | 2015-06-12 | 2016-12-21 | 豪威科技股份有限公司 | The method and system of detection light emitting diode |
| CN106454044A (en) * | 2016-10-25 | 2017-02-22 | 浙江宇视科技有限公司 | Explosion flash light supplementing device and method |
| CN108259776A (en) * | 2018-04-08 | 2018-07-06 | 乐山师范学院 | A kind of multi-angle acquisition light compensating apparatus of image procossing |
| WO2019084806A1 (en) * | 2017-10-31 | 2019-05-09 | 深圳市大疆创新科技有限公司 | Flashlight brightness compensation method, unmanned aerial vehicle and storage medium |
| CN112911134A (en) * | 2019-12-03 | 2021-06-04 | 杭州海康威视数字技术股份有限公司 | Image capturing method and device |
| CN112906791A (en) * | 2021-02-20 | 2021-06-04 | 浙江大华技术股份有限公司 | Event matching method and device, storage medium and electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231786A (en) * | 2007-12-28 | 2008-07-30 | 北京航空航天大学 | Vehicle checking method based on video image characteristic |
| JP2009017293A (en) * | 2007-07-05 | 2009-01-22 | Panasonic Corp | Imaging apparatus |
| JP2010135921A (en) * | 2008-12-02 | 2010-06-17 | Fujifilm Corp | Imaging apparatus and imaging method |
| CN201594319U (en) * | 2009-12-14 | 2010-09-29 | 成都茵联安科技有限公司 | Multifunctional electronic police system with high-definition snapshot |
| CN202153796U (en) * | 2011-07-06 | 2012-02-29 | 上海渠瀚实业有限公司 | LED video synchronization light compensation light source controller applied to electronic police system |
| CN102509452A (en) * | 2011-10-19 | 2012-06-20 | 杭州海康威视数字技术股份有限公司 | Flashlight control method of intelligent traffic monitoring system and device thereof |
-
2012
- 2012-09-18 CN CN201210346823.0A patent/CN103676409B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009017293A (en) * | 2007-07-05 | 2009-01-22 | Panasonic Corp | Imaging apparatus |
| CN101231786A (en) * | 2007-12-28 | 2008-07-30 | 北京航空航天大学 | Vehicle checking method based on video image characteristic |
| JP2010135921A (en) * | 2008-12-02 | 2010-06-17 | Fujifilm Corp | Imaging apparatus and imaging method |
| CN201594319U (en) * | 2009-12-14 | 2010-09-29 | 成都茵联安科技有限公司 | Multifunctional electronic police system with high-definition snapshot |
| CN202153796U (en) * | 2011-07-06 | 2012-02-29 | 上海渠瀚实业有限公司 | LED video synchronization light compensation light source controller applied to electronic police system |
| CN102509452A (en) * | 2011-10-19 | 2012-06-20 | 杭州海康威视数字技术股份有限公司 | Flashlight control method of intelligent traffic monitoring system and device thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092944A (en) * | 2014-07-21 | 2014-10-08 | Tcl通讯（宁波）有限公司 | Flashlight control method and system used during mobile terminal photographing |
| CN104092944B (en) * | 2014-07-21 | 2017-10-24 | Tcl通讯（宁波）有限公司 | Flash lamp control method and system when a kind of mobile terminal is taken pictures |
| CN106254786A (en) * | 2015-06-12 | 2016-12-21 | 豪威科技股份有限公司 | The method and system of detection light emitting diode |
| CN106454044A (en) * | 2016-10-25 | 2017-02-22 | 浙江宇视科技有限公司 | Explosion flash light supplementing device and method |
| CN106454044B (en) * | 2016-10-25 | 2020-04-10 | 浙江宇视科技有限公司 | Explosion flash light supplementing device and method |
| WO2019084806A1 (en) * | 2017-10-31 | 2019-05-09 | 深圳市大疆创新科技有限公司 | Flashlight brightness compensation method, unmanned aerial vehicle and storage medium |
| CN108259776A (en) * | 2018-04-08 | 2018-07-06 | 乐山师范学院 | A kind of multi-angle acquisition light compensating apparatus of image procossing |
| CN108259776B (en) * | 2018-04-08 | 2020-07-28 | 乐山师范学院 | Multi-angle collection light supplement device for image processing |
| CN112911134A (en) * | 2019-12-03 | 2021-06-04 | 杭州海康威视数字技术股份有限公司 | Image capturing method and device |
| CN112911134B (en) * | 2019-12-03 | 2023-04-25 | 杭州海康威视数字技术股份有限公司 | Image snapshot method and device |
| CN112906791A (en) * | 2021-02-20 | 2021-06-04 | 浙江大华技术股份有限公司 | Event matching method and device, storage medium and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103676409B (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103676409A (en) | Method and device for controlling various flash lamps based on intelligent traffic monitoring system | |
| CN103945201B (en) | A kind of IR-Cut filter changing method, device and video camera | |
| CN103856764A (en) | Device for performing monitoring through double shutters | |
| CN105072346B (en) | A kind of automatic camera control method, device and automatic camera camera | |
| US9706096B2 (en) | Method for taking photo with extension flash module of mobile device | |
| US20110176031A1 (en) | Camera and method for capturing and processing photos in camera | |
| CN102801906B (en) | Monitoring camera with day and night double apertures | |
| CN108111843B (en) | Test method and test system for mobile optical filter camera module | |
| CN102970483A (en) | Voice control method and device of camera head | |
| CN103024258A (en) | Method for fast shooting and electronic equipment | |
| CN104660898A (en) | Global shutter processing method and device | |
| CN105657284A (en) | Method for controlling flash time of plug-in flash lamp | |
| CN104575006B (en) | Image shooting moment determining method and system as well as vehicle speed detection method and system | |
| CN105721748A (en) | Photographing control device and auxiliary flash control device | |
| CN105530438A (en) | Shooting system and xenon flash apparatus | |
| JP2023510800A (en) | Multi-line time-sharing exposure processing method and system for cameras | |
| CN106910345A (en) | The control method of electronic police light-supplementing system | |
| CN109668832A (en) | Cellular li-ion battery surface bulge detection device and its method based on subregion light source | |
| CN105744178A (en) | Method and system for controlling brightness when starting camera, and camera terminal | |
| CN108259776B (en) | Multi-angle collection light supplement device for image processing | |
| CN105472262A (en) | Intelligent image snapshot method and high-definition intelligent network camera | |
| CN106910347A (en) | Electronic police Intelligent supplemental lighting system | |
| CN102804752A (en) | Enhanced timer functionality for camera systems | |
| JP2008092149A5 (en) | ||
| CN105791694A (en) | Shooting control device, auxiliary flashing device and auxiliary flashing control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |