CN1734342A - Image pick-up apparatus capable of picking up mobile object - Google Patents
Image pick-up apparatus capable of picking up mobile object Download PDFInfo
- Publication number
- CN1734342A CN1734342A CN200510050788.8A CN200510050788A CN1734342A CN 1734342 A CN1734342 A CN 1734342A CN 200510050788 A CN200510050788 A CN 200510050788A CN 1734342 A CN1734342 A CN 1734342A
- Authority
- CN
- China
- Prior art keywords
- signal
- video camera
- camera
- shutter speed
- picking
- 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.)
- Pending
Links
Images
Landscapes
- Studio Devices (AREA)
Abstract
The invention discloses a camera device of mobile objects, which comprises the following parts: camera, light filling device, image-forming controlling device including signal gathering element connecting the camera as controlling shutter speed signal, logic comparison element connecting the signal gathering element as comparing gathering speed with the present threshold value to send result signal; field synchronizing signal interceptor connecting logic comparison element and camera separately as intercepting real-time signal; signal controller connecting logic comparison element, camera and field synchronizing signal interceptor separately as new shutter speed controlling signal according to the comparison signal.
Description
Technical field
The present invention relates to a kind of image pick-up apparatus capable of picking up mobile object, be particularly related to a kind of camera head video camera and light compensating apparatus, can catch the image of moving target under any natural lighting condition that contains, it uses mainly as the fore device of systems such as security protection, traffic monitoring.
Background technology
In systems such as security protection, traffic monitoring, whether good can the picture rich in detail that photograph target as the camera head of its front end weigh performance a critical index of said system beyond doubt.Wherein, the correct exposure of control video camera is a necessary precondition condition that gets a distinct image.Because the object that the target of taking moves often, as the vehicle of fast moving or the people of running, this moment, the video camera of just can not leaving was controlled exposure automatically, because video camera is in order to reach sufficient exposure, can when illumination is not enough, transfer slow shutter speed automatically, and transfer when slow when the speed of shutter, will make the moving target in the picture produce smear, cause follow-up identification work to finish.In addition, because under the different weather conditions and the different periods in one day, the intensity of the natural lighting of targeted environment often has very big difference, and is much dark when for example night is than daytime, the cloudy day is much dark during also than fine day.For making video camera still can access the picture rich in detail of the target of fast moving under the situation of natural lighting deficiency, camera head of the prior art often adopts structure as shown in Figure 1: it mainly is made up of video camera 1 ', flashlamp 2 ', image pick-up card 3 ', sensor of interest 4 ' and computing machine 5 '.Wherein, computing machine 5 ' is connected with video camera 1 ', flashlamp 2 ', image pick-up card 3 ' and sensor of interest 4 ' respectively; Simultaneously, image pick-up card 3 ' is connected with video camera 1 ' again.The principle of work of this camera head is as follows: obtain a pictures by computing machine 5 ' by the video flowing that image pick-up card 3 ' intercepting video camera 1 ' transmits: if the brightness value of this picture is too high, then (for example: in the shutter shelves that video camera presets, transfer fast one grade by interfaces such as communication control video camera 1 ' if be originally 1/500 second by computing machine 5 ', thereafter faster one grade be 1/1000 second, then be adjusted into 1/1000 second); Otherwise then the shutter shelves are transferred slow one grade; And when the natural lighting of targeted environment is dark, then by the 4 ' work of computing machine 5 ' indicating target sensor, in case sensor of interest 4 ' detects moving target and has arrived shooting area, be about to this signal and pass to computing machine 5 ', open flashlamp 2 ' by computing machine 5 ' control, illumination with the supplementary target environment makes video camera obtain correct exposure, thereby obtains distinct image.In addition, above-mentioned flashlamp 2 ' also can be replaced by the permanent lamp of illumination, just the permanent lamp of the illumination of this moment only uses as the additional light source of Chang Liang, therefore need not with other ingredient of camera head annexation is arranged, as long as its light that sends can be aimed at shooting area.
Yet, above-mentioned camera head has following shortcoming: (1) is because computing machine is indirect, non real-time to the adjusting of video camera, therefore when the natural lighting condition of targeted environment changes, the reaction of video camera often lags behind, particularly when illumination condition takes place to change fast, a plurality of images must be had because of being in the adjustment process of video camera, to clap clearly inadequately, even the phenomenon of bat can be leaked; (2) because the shutter speed shelves limited amount that presets of common camera and continuous inadequately under specific natural lighting environment (for example fine high noon), tends to occur following situation: when being positioned at very fast shutter shelves, picture shades because of under-exposed; And when slow shutter shelves, picture turns white because of over-exposed again, so that can not get distinct image all the time; (3) in addition, adopt the make a video recording mode of control of computing machine to make this camera head complicated integral structure, cost height, and the instability of operation system of computer also can have influence on this camera head long term reliability; (4) if when natural lightings such as night are not enough, adopt the permanent lamp light filling of illumination, its principle only is equivalent to reproduce the same illumination condition on daytime with highlighted high-power lamp, cause the luminance contrast of targeted environment big thus, the driver can feel that illumination place is bright especially when this zone of vehicle process, so that do not see the road conditions of front, thereby the potential safety hazard of bringing; And adopt high-power permanent lamp illumination energy consumption height; (5) same, when natural lightings such as night are not enough,, also make the driver stimulate accidents caused easily because of the high light of burst if at the exposing clearance of video camera flashlamp light filling.
Summary of the invention
Technical matters to be solved by this invention provides a kind of image pick-up apparatus capable of picking up mobile object that cost is lower, structure is simpler, compacter that can adapt to different natural lighting conditions and get a distinct image at any time.
The technical solution adopted for the present invention to solve the technical problems is: described image pick-up apparatus capable of picking up mobile object mainly comprises video camera; Be used for the supply targeted environment with sufficient light so that video camera can correct exposure obtains the light compensating apparatus of picture rich in detail; Control the correct exposure of video camera to obtain the imaging control apparatus of picture rich in detail with being used to.Wherein, described imaging control apparatus comprises:
A. signal picker, it is connected with described video camera, is used for the shutter speed value control signal of real-time acquisition camera;
B. logic comparator, it is connected with described signal picker, and the shutter speed value and the preset threshold value that are used for video camera that signal picker is gathered compare, and then send a comparison signal;
C. field sync signal interceptor, it is connected with video camera with described logic comparator respectively, is used for intercepting in real time the field sync signal of video camera;
D. signal controller, it is connected with video camera with described logic comparator, field sync signal interceptor respectively, is used for generating new shutter speed value control signal according to described comparison signal.
Light compensating apparatus in the technique scheme can be illumination permanent lamp, LED lamp or flashlamp etc.And be preferred version when light compensating apparatus is the LED lamp.
Wherein, when light compensating apparatus was the LED lamp, this LED lamp was connected with described signal controller.
When light compensating apparatus was flashlamp, described camera head also comprised the sensor of interest that is connected with described signal picker, and this sensor of interest is used to detect described moving target and whether has arrived shooting area, and described flashlamp is connected with described signal controller.
As the preferred version of above each technical scheme, described imaging control apparatus places in the described video camera, so that the structure of whole camera head is compact more.
Compared with prior art, advantage of the present invention is: (1) is because imaging control apparatus is direct, real-time to the control of video camera, even therefore the illumination variation of targeted environment is very fast, video camera also can be made timely its shutter and being adjusted, can not lag behind, thereby guarantee that video camera can obtain distinct image all the time; (2) when the illumination of targeted environment is sufficient, because imaging control apparatus is the shutter time shutter of controlling video camera by the shutter speed value control signal of duplicating video camera, this is actually the automatic control imaging function that has directly utilized video camera itself and realizes meticulous adjusting to camera shutter, thereby guarantees to get a distinct image; (3) because imaging control apparatus of the present invention has the advantage that volume is little, function is complete, it has replaced computing machine of the prior art and image pick-up card, make the ingredient of whole camera head reduce, structure more simply, also compact more, and the installation of whole camera head is extremely easy, helps popularizing and using of camera head of the present invention; (4) shooting process no longer needs the such high price equipment of computing machine to control, and this means when reducing cost the also corresponding raising of the stability of this camera head and reliability; (5) startup of LED lamp and close instantaneous finishing, and brightness is even in the opening time, the shutter of the camera that is easy in the control to move the camera to follow the subject's movement cooperates, and has guaranteed the clear and stable of target imaging better; (6) be the open and close controlling of the LED lamp being made high-frequency intermittence according to shutter switching time of video camera because of imaging control apparatus of the present invention, therefore compare with using the permanent lamp of illumination, the present invention not only can obtain distinct image, and the driver feels the light gentleness, thereby eliminated the dazzle discomfort that causes in the strong brightness contrast of visual field internal cause; Owing to human vision property, the light of LED lamp does not have the excitement of flashlamp burst, thereby the security of camera head of the present invention is improved greatly because of high frequency has become continuously at this moment simultaneously; (7) because of the LED light fixture superior pointing capability is arranged, determined that its luminous flux loss is very little, in its field of illumination, effective luminous flux is much higher than the permanent lamp (as Metal halogen lamp, high-pressure mercury lamp etc.) of general lighting, make it under very little power, just can reach good illuminating effect, therefore compare with the permanent lamp of traditional general lighting, have economize on electricity, brightness is high and the distinguishing feature such as low of generating heat, and contrast bright permanent lamp its serviceable life and flashlamp longer.
Description of drawings
Below in conjunction with the drawings and specific embodiments camera head of the present invention is described in further detail.
Fig. 1 is the structured flowchart of prior art camera head;
Fig. 2 is the structured flowchart of camera head embodiment 1 of the present invention;
Fig. 3 is the functional block diagram of the imaging control apparatus among the camera head embodiment 1 of the present invention;
Fig. 4 is the program flow diagram of the imaging control apparatus among the camera head embodiment 1 of the present invention;
Fig. 5 is the on-the-spot scheme of installation of camera head embodiment 1 of the present invention when being applied to the traffic monitoring register system;
Fig. 6 is the structured flowchart of invention camera head embodiment 2;
Fig. 7 is the functional block diagram of the imaging control apparatus among the camera head embodiment 2 of the present invention;
Fig. 8 is the program flow diagram of the imaging control apparatus among the camera head embodiment 2 of the present invention;
Fig. 9 is the structured flowchart of camera head embodiment 3 of the present invention;
Figure 10 is the functional block diagram of the imaging control apparatus among the camera head embodiment 3 of the present invention;
Figure 11 is the program flow diagram of the imaging control apparatus among the camera head embodiment 3 of the present invention.
Embodiment
Embodiment 1:
To shown in Figure 4, camera head of the present invention mainly comprises video camera 1, imaging control apparatus 2 and LED lamp 3 as Fig. 2.Wherein, imaging control apparatus 2 both can place in the video camera 1 and also can place outside the video camera 1; And imaging control apparatus 2 is placed in the video camera 1 is preferred version, and this can make the structure of whole camera head compact more.
By the functional block diagram of imaging control apparatus shown in Figure 3 as can be known, imaging control apparatus 2 mainly is made of signal picker 4, logic comparator 5, field sync signal interceptor 6 and signal controller 7.Wherein, signal picker 4 is electrically connected with the shutter speed value control signal interface of video camera 1 by the I/O interface; Logic comparator 5 is connected with signal picker 4; Field sync signal interceptor 6 not only is connected with logic comparator 5, also is electrically connected with the field sync signal interface of video camera 1; 7 of signal controllers are connected with field sync signal interceptor 6 with logic comparator 5 respectively, and are electrically connected with the shutter speed value control signal interface of LED lamp 3 and video camera 1.
The course of work of camera head of the present invention is described below in conjunction with the program flow diagram of imaging control apparatus shown in Figure 4.During work, video camera 1 is arranged on the automatic gate pattern.Under this pattern, strong and weak its exposure parameter of adjusting of signal that video camera 1 can be gathered according to charge coupled cell CCD automatically is to obtain distinct image.
During beginning, the signal picker 4 of imaging control apparatus 2 blocks and the shutter speed value control signal of acquisition camera 1 by its I/O interface, and the shutter speed value of the video camera of signal picker 4 being sampled by logic comparator 5 compares in real time with preset threshold value (this preset threshold value is definite in advance according to the highest translational speed of target of being made a video recording such as vehicle):
When the shutter speed value of judging video camera 1 is not less than preset threshold value, then logic comparator 5 produces the comparison signal of representing this comparative result, the shutter speed value control signal that signal controller 7 is sampled to signal picker 4 according to this comparison signal is duplicated the shutter speed value control signal that the back generates new video camera, and will this new shutter speed value control signal send back to the shutter speed value control signal interface of video camera 1 from the I/O output interface of signal controller 7, make video camera 1 correct exposure, obtain distinct image.
When the shutter speed value of judging video camera 1 is lower than preset threshold value, then mean the natural lighting deficiency of targeted environment.At this moment, logic comparator 5 produces represents the comparison signal of this comparative result, and sends to signal controller 7; Again by the new shutter speed value control signal of signal controller 7 according to the corresponding generation of preset threshold value oneself.This new shutter speed value control signal sends to the shutter speed value control signal interface of above-mentioned video camera 1 from an I/O output interface of signal controller 7, with the shutter speed of control video camera 1.And when the shutter of video camera 1 is opened, then can by signal controller 7 according to 6 pairs of video camera 1 real-time samplings of field sync signal interceptor to field sync signal calculate to determine.Moreover, signal controller 7 is also according to the indication of above-mentioned field sync signal, and the unlatching of the shutter of corresponding video camera 1 produces the light filling signal constantly, and this light filling signal is sent to the switching of LED lamp with control LED lamp.It is to be noted, in order to ensure can be in the opening and closing of the exposing clearance synchro control LED of video camera 1 lamp to remedy the illumination deficiency of targeted environment effectively, the duration that this LED lamp is opened is determined by preset threshold value, so that the unlatching duration of LED lamp can cover the whole shutter opening time period of video camera 1.Thereby, make video camera 1 correct exposure under default shutter speed value, finally obtain distinct image.As seen, the new shutter speed value signal of Ci Shi video camera 1 is actual is generated by imaging control apparatus 2 controls.
To sum up, camera head of the present invention can be implemented in the blur-free imaging under any natural lighting condition.
An on-the-spot installation example when Fig. 5 has disclosed camera head of the present invention and is applied to the traffic monitoring register system.This traffic monitoring register system mainly partly is made up of video camera 1, imaging control apparatus 2, LED lamp 3, roadside vertical rod 8, site controlling computer 9, ground induction coil 10 etc.Industrial computer 11, the wagon detector 12 that receives the ground induction coil signal, the connection and the assemblies such as control circuit and controller switching equipment of various circuits have been installed in the site controlling computer 9; On the Standard PC I slot in the industrial computer 11 CPU card 13, image pick-up card 14, I/O input-output card 15 etc. have been installed then.The imaging control apparatus 2 of camera head of the present invention generally is installed in the video camera 1, and the vision signal of video camera 1 is connected to the image pick-up card 14 of industrial computer 11 through video line.
Its course of work is:
A. system opens.Automatically finish optimal imaging under the illumination condition at that time by video camera 1 and imaging control apparatus 2 and the camera head of the present invention formed of LED lamp 3 installed within it, and by video camera 1 outputting video signal.
B. when vehicle arrives the position of ground induction coil 10 through the control point, ground induction coil 10 can produce faint inductance signal, wagon detector 12 in being installed in site controlling computer 9 converts standard switch amount signal to, I/O input-output card 15 by industrial computer 11 reads in real time, shows that moving target has arrived shooting area.
C. follow, the image pick-up card 14 that is built in industrial computer 11 is caught the vision signal of video camera 1 in real time, obtains the image of vehicle.
D. last, finish the information processing functions such as follow-up image recognition, compression and storage by industrial computer 11, for retrieval, inquiry and printing etc. in the future.
Embodiment 2:
Present embodiment has disclosed a kind of structure of the camera head when light compensating apparatus is flashlamp.
Referring to Fig. 6 and Fig. 7, the camera head in the present embodiment mainly is made up of video camera 1, imaging control apparatus 2, flashlamp 16 and sensor of interest 17.Wherein, imaging control apparatus 2 mainly is made of signal picker 4, logic comparator 5, field sync signal interceptor 6 and signal controller 7.Signal picker 4 is electrically connected with the shutter speed value control signal interface of video camera 1 by the I/O interface; Logic comparator 5 is connected with signal picker 4; Field sync signal interceptor 6 not only is connected with logic comparator 5, and is electrically connected with the field sync signal interface of video camera 1; 7 of signal controllers are connected with field sync signal interceptor 6 with logic comparator 5 respectively, also are electrically connected with the shutter speed value control signal interface of flashlamp 16 and video camera 1 respectively simultaneously.As different from Example 1, characteristic for the instantaneous switching that cooperates flashlamp 16, imaging control apparatus 2 must can obtain the information that target subject has arrived shooting area, therefore needs to increase the sensor of interest 17 that is electrically connected with the signal picker 4 of imaging control apparatus 2.Like this, signal picker 4 also is responsible for gathering target and has been arrived signal in the shutter speed value control signal of acquisition camera 1.As shown in Figure 8, when the shutter speed value of judging video camera 1 is not less than preset threshold value, i.e. targeted environment illumination abundance, when not needing light filling, the course of work of camera head of the present invention is similar substantially to embodiment 1; When the shutter speed value of judging video camera 1 is lower than preset threshold value, in case when the i.e. illumination of targeted environment was not enough, logic comparator 5 produces represented the comparison signal of this comparative result, and sends to signal controller 7.Meanwhile, the field sync signal of 6 pairs of video cameras 1 of field sync signal interceptor is carried out real-time sampling, generates new shutter speed value control signal by signal controller 7 according to the preset threshold value correspondence.The shutter speed value control signal of the video camera that this is new sends to the shutter speed value control signal interface of above-mentioned video camera 1 from an I/O output interface of signal controller 7, with the shutter speed of control video camera 1.Moreover, also need the signal that sends according to the sensor of interest 17 that signal picker 4 is gathered, judged whether that by logic comparator 5 target is to signal.If there is target to arrive signal, then signal controller 7 calculates the shutter opening moment of video camera 1 by field sync signal, and generate the light filling signal thus and be sent to flashlamp 16 to control its unlatching, thereby flashlamp 16 can be opened synchronously at the exposing clearance of video camera 1, make video camera 1 possessing accurately exposure under the situation of sufficient light, finally obtain distinct image.
Embodiment 3:
A kind of structure of the camera head when present embodiment has disclosed light compensating apparatus for the permanent lamp of illumination.
As Fig. 9 and shown in Figure 10, in the present embodiment, camera head is mainly by video camera 1, imaging control apparatus 2 and the permanent lamp 18 that throws light on.Wherein, imaging control apparatus 2 mainly is made of signal picker 4, logic comparator 5, field sync signal interceptor 6 and signal controller 7.Signal picker 4 is electrically connected with the shutter speed value control signal interface of video camera 1 by the I/O interface; Logic comparator 5 is connected with signal picker 4; Field sync signal interceptor 6 not only is connected with logic comparator 5, also is electrically connected with the field sync signal interface of video camera 1; 7 of signal controllers are connected with field sync signal interceptor 6 with logic comparator 5 respectively, and are electrically connected with the shutter speed value control signal interface of video camera 1.Need to prove that the permanent lamp 18 of described illumination is meant that its switching can't help the normal bright lamp of camera head of the present invention control, it can include but not limited to common normal bright illuminating lamp, sense light etc.Because permanent lamp 18 Chang Liang of illumination, so it needn't be connected with imaging control apparatus 2 or video camera 1, only needs place suitable position that it can be got final product for camera watch region provides the additional light source of Chang Liang on the permanent lamp 18 that throws light on.Therefore, also as shown in figure 11, the program circuit of the imaging control apparatus 2 of present embodiment is except signal controller 7 needn't generate the light filling signal, and other are then similar substantially to the program circuit of the imaging control apparatus 2 of embodiment 1.
Claims (5)
1, a kind of image pick-up apparatus capable of picking up mobile object is characterized in that it comprises:
Video camera;
Light compensating apparatus is used for the light of supply targeted environment with abundance, so that video camera can correct exposure obtain distinct image;
Imaging control apparatus, the correct exposure that is used to control video camera is to obtain distinct image, and this imaging control apparatus comprises:
Signal picker, it is connected with described video camera, is used for the shutter speed value control signal of real-time acquisition camera;
Logic comparator, it is connected with described signal picker, and the shutter speed value and the preset threshold value that are used for video camera that signal picker is gathered compare, and then send a comparison signal;
The field sync signal interceptor, it is connected with video camera with described logic comparator respectively, is used for intercepting in real time the field sync signal of video camera;
Signal controller, it is connected with video camera with described logic comparator, field sync signal interceptor respectively, is used for generating new shutter speed value control signal according to described comparison signal.
2, image pick-up apparatus capable of picking up mobile object according to claim 1 is characterized in that: described light compensating apparatus is the permanent lamp of illumination.
3, image pick-up apparatus capable of picking up mobile object according to claim 1 is characterized in that: described light compensating apparatus is the LED lamp, and this LED lamp is connected with described signal controller.
4, image pick-up apparatus capable of picking up mobile object according to claim 1, it is characterized in that: described light compensating apparatus is a flashlamp, described camera head also comprises the sensor of interest that is connected with described signal picker, be used to detect described moving target and whether arrived shooting area, described flashlamp is connected with described signal controller.
5, according to any one described image pick-up apparatus capable of picking up mobile object in the claim 1 to 4, it is characterized in that: described imaging control apparatus places in the described video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510050788.8A CN1734342A (en) | 2005-07-18 | 2005-07-18 | Image pick-up apparatus capable of picking up mobile object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510050788.8A CN1734342A (en) | 2005-07-18 | 2005-07-18 | Image pick-up apparatus capable of picking up mobile object |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1734342A true CN1734342A (en) | 2006-02-15 |
Family
ID=36076825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510050788.8A Pending CN1734342A (en) | 2005-07-18 | 2005-07-18 | Image pick-up apparatus capable of picking up mobile object |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1734342A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883258B (en) * | 2009-05-08 | 2011-11-16 | 上海弘视通信技术有限公司 | Violent crime detection system and detection method thereof |
| CN102427509A (en) * | 2011-09-16 | 2012-04-25 | 杭州海康威视数字技术股份有限公司 | Device and method for controlling synchronization camera with light supplementing lamp |
| CN101990062B (en) * | 2009-08-06 | 2012-07-18 | 华晶科技股份有限公司 | Method for setting personal secure shutter value |
| CN108541110A (en) * | 2018-05-29 | 2018-09-14 | 朱培恒 | A kind of high-power light compensating apparatus of automatic adjustable and its light compensation method |
-
2005
- 2005-07-18 CN CN200510050788.8A patent/CN1734342A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883258B (en) * | 2009-05-08 | 2011-11-16 | 上海弘视通信技术有限公司 | Violent crime detection system and detection method thereof |
| CN101990062B (en) * | 2009-08-06 | 2012-07-18 | 华晶科技股份有限公司 | Method for setting personal secure shutter value |
| CN102427509A (en) * | 2011-09-16 | 2012-04-25 | 杭州海康威视数字技术股份有限公司 | Device and method for controlling synchronization camera with light supplementing lamp |
| CN108541110A (en) * | 2018-05-29 | 2018-09-14 | 朱培恒 | A kind of high-power light compensating apparatus of automatic adjustable and its light compensation method |
| CN108541110B (en) * | 2018-05-29 | 2024-02-23 | 朱培恒 | Automatic-adjustment type high-power light supplementing device and light supplementing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104202537B (en) | A kind of light-dimming method of thermal camera | |
| US9478111B2 (en) | Long-range motion detection for illumination control | |
| CN201213038Y (en) | Traffic information collecting system based on linear array CCD video camera | |
| CN104994311B (en) | Electronic police device adjust automatically light compensation method | |
| CN101344988B (en) | Image acquisition and processing equipment and method, vehicle monitoring and recording system | |
| CN108551554A (en) | The control method of intelligent bayonet light-supplementing system | |
| CN102466945B (en) | LED supplementary lighting and image clipping evaluation system in standard image acquisition device | |
| CN104822196A (en) | Automatic adjusting system for street lamp brightness based on vision technology | |
| CN104134352A (en) | Video vehicle characteristic detection system and detection method based on combination of long exposure and short exposure | |
| CN105306796A (en) | Night vision equipment with regular infrared illumination function and global shutter CMOS (Complementary Metal Oxide Semiconductor) sensor | |
| CN101184168B (en) | License plate luminance contrast based camera shutter and gain composite control method | |
| CN101969718A (en) | Intelligent lighting control system and control method | |
| CN109151390A (en) | A kind of ultra-low illumination night vision method, system and high definition camera device | |
| KR101625538B1 (en) | Car Number Recognition system | |
| CN110730531A (en) | LED street lamp remote light-changing control system | |
| CN106910345A (en) | The control method of electronic police light-supplementing system | |
| CN1734342A (en) | Image pick-up apparatus capable of picking up mobile object | |
| CN108470450A (en) | Electronic police Intelligent supplemental lighting system | |
| CN108364479A (en) | The system of electronic police Intelligent supplemental lighting | |
| CN201247528Y (en) | Apparatus for obtaining and processing image | |
| KR100878491B1 (en) | Camera monitor system and method for controling the same | |
| CN201434238Y (en) | Supplementary lighting device and traffic information collecting system | |
| KR100961675B1 (en) | Traffic light lamp using light emitting diode | |
| CN2786727Y (en) | Automobile license plate automatic recognizer | |
| CN104732773A (en) | Electronic police anti-glare device and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |