CN101527793A - Dynamic image picturing method for preventing environmental light interference and system thereof - Google Patents
Dynamic image picturing method for preventing environmental light interference and system thereof Download PDFInfo
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- CN101527793A CN101527793A CN200910134433A CN200910134433A CN101527793A CN 101527793 A CN101527793 A CN 101527793A CN 200910134433 A CN200910134433 A CN 200910134433A CN 200910134433 A CN200910134433 A CN 200910134433A CN 101527793 A CN101527793 A CN 101527793A
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Abstract
The invention discloses a dynamic image picturing method for preventing environmental light interferences. In the method, sensing data correlated with the moving speed of a pictured object is collected; according to the sensing data, starting control data for the starting of a compensating light source and picturing control data for picturing with a camera corresponding to the compensating light source are calculated; the compensating light source sends out compensating light according to the starting control data, wherein, the wavelength of the compensating light is within the preserved range; parasitic lights, the wavelengths of which are out of the preserved range, are filtered, and lights, the wavelength of which is within the preserved range, enter the camera; the camera pictures the image of the pictured object according to the picturing control data. A corresponding dynamic image picturing system for preventing the environmental light interference is also disclosed. With the dynamic image picturing method for preventing the environmental light interference and the system thereof provided by the embodiment of the invention adopted, the environmental light interference problem can be eliminated, the definition of the image is improved greatly. And electricity power is saved.
Description
Technical field
The present invention relates to dynamic image image pickup method and system, relate in particular to a kind of dynamic image image pickup method and system that can prevent ambient light interference.
Background technology
Current automated graphics image pickup method and system, for example, in the lorry operation troubles dynamic detection system (TFDS) that railway systems are used, usually use CCD (Charge Couple Device charge coupled device) high-speed industrial detection camera to cooperate the common white radiant of high brightness to obtain view data, automatically capture image by the key position of vehicle, then image is sent to inspection center, so that take the mode of man-machine combination that the image that sends is detected.
But the inventor finds that when implementing the embodiment of the invention there is following problem at least in prior art:
The waste electric energy, owing to adopt normal bright xenon lamp as light source usually, energy consumption is big, and heating is big, and starting current is big, causes the significant wastage of electric energy;
Poor reliability, owing to usually adopt normal bright xenon lamp as light source, toggle speed is slow, and electromagnetic interference is big, and the signal of camera and axle is easily impacted;
Be subject to high light and disturb, because the bogie side frame light source adopts normal bright xenon lamp usually, the bogie side frame camera can be subjected to high light and disturb when taking, the imaged image quality, and image local is dazzling, causes beholder's visual fatigue easily;
Image definition is not high, because the pixel of the camera that adopts is about 400,000 usually, therefore the definition of obtaining is not high, and details can't reflect from image.
Summary of the invention
The purpose of the embodiment of the invention is to overcome the waste electric energy, is subject in high light disturbs, image definition is the not high problem at least one, and for this reason, the embodiment of the invention provides a kind of dynamic image image pickup method that prevents ambient light interference, comprising:
Gather the sensing data related with the translational speed of subject;
According to described sensing data, calculate and to be used for the start-up control data that compensatory light starts and to be used for the shooting control data that the camera corresponding with described compensatory light taken;
Described compensatory light sends the compensation light of wavelength in preset range according to described start-up control data;
The veiling glare of filtering wavelength outside described preset range enters described camera only to make the light of wavelength in described preset range;
Described camera is taken the image of described subject according to described shooting control data.
As preferably, only there is compensatory light luminous and only have the camera corresponding to take in the scheduled time slot with this compensatory light.
As preferably, described camera also comprises the super bright zone that utilizes in the captured image of log-compressed technique compresses after taking the image of described subject according to described shooting control data.
As preferably, after described camera is taken the image of described subject according to described shooting control data, also comprise and gather the view data that described camera obtains.
As preferably, after the view data that the described camera of described collection obtains, comprise that also the view data that described camera is obtained carries out image processing.
The embodiment of the invention a kind of dynamic image camera system that prevents ambient light interference also is provided on the other hand, comprising:
Sensor unit is used to gather the sensing data related with the translational speed of subject, and sends described sensing data;
Control unit receives described sensing data, calculates according to described sensing data to be used for the start-up control data that compensatory light starts and to be used for the shooting control data that the camera corresponding with described compensatory light taken;
Described compensatory light unit receives described start-up control data and sends the compensation light of wavelength in preset range according to described start-up control data;
Filter unit, the veiling glare of filtering wavelength outside described preset range enters described camera only to make the light of wavelength in described preset range;
Described image taking unit receives described shooting control data and takes the image of described subject according to described shooting control data.
As preferably, this system further comprises:
Data acquisition unit is gathered the image of the described subject of described image taking unit photographs.
As preferably, this system further comprises:
Transmitting element sends the data that described data acquisition unit collects; And graphics processing unit, receive the data that described transmitting element sends, and it is carried out image processing.
By the dynamic image image pickup method and the system that prevent ambient light interference that the embodiment of the invention provides, can eliminate the problem of ambient light interference, and significantly improve the definition of image, and saves energy.
Description of drawings
Fig. 1 is the schematic flow sheet of an embodiment of the dynamic image image pickup method that prevents ambient light interference provided by the invention;
Fig. 2 is the schematic flow sheet of another embodiment of the dynamic image image pickup method that prevents ambient light interference provided by the invention;
Fig. 3 is the structural representation of an embodiment of the dynamic image camera system that prevents ambient light interference provided by the invention;
Fig. 4 is the structural representation of another embodiment of the dynamic image camera system that prevents ambient light interference provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the schematic flow sheet of an embodiment of the dynamic image image pickup method that prevents ambient light interference provided by the invention, and as shown in Figure 1, the dynamic image image pickup method that prevents ambient light interference of this embodiment comprises:
S01: gather the sensing data related with the translational speed of subject;
S02:, calculate and to be used for the start-up control data that compensatory light starts and to be used for the shooting control data that the camera corresponding with described compensatory light taken according to described sensing data;
S03: described compensatory light sends the compensation light of wavelength in preset range according to described start-up control data;
S04: the veiling glare of filtering wavelength outside described preset range enters described camera only to make the light of wavelength in described preset range;
S05: described camera is taken the image of described subject according to described shooting control data.
Among this embodiment, at first by the related sensing data of sensor acquisition with the translational speed of the mobile object that will take, and sensing data is sent to main control end, by main control end according to sensing data, the shooting control data that start-up control data that the calculating compensatory light starts and the camera corresponding with described compensatory light are taken, compensatory light sends the compensation light of wavelength in preset range according to the start-up control data according to the regular hour frequency then; To the camera processing that filters, the veiling glare of filtering wavelength outside described preset range enters described camera only to make the light of wavelength in described preset range, and camera then according to taking control data, is taken according to certain shutter and exposure parameter then; When having a plurality of compensatory lights and camera, can calculate by accurate, control the start-up time and the frequency of each compensatory light and camera, for example making only has luminous reaching with the corresponding camera of this compensatory light of compensatory light to carry out image taking in the scheduled time slot.
The dynamic image image pickup method that prevents ambient light interference of this embodiment can be applied in to be needed to take in the dynamic image every field, especially can be applied to needs reversible-light shooting or is subjected in the image detecting system of ambient light interference, in the method for this embodiment, compensatory light needn't Chang Liang, only in needs, send compensation light according to control, saved electric energy, and camera has carried out filtering and has handled, make only consistent light enter camera with compensation light wavelength scope, thereby eliminated the interference of surround lighting, image that can shooting clear.
Fig. 2 is the schematic flow sheet of another embodiment of the dynamic image image pickup method that prevents ambient light interference provided by the invention, and as shown in Figure 2, the method for this embodiment comprises:
S01: gather the sensing data related with the translational speed of subject;
S02:, calculate and to be used for the start-up control data that compensatory light starts and to be used for the shooting control data that the camera corresponding with described compensatory light taken according to described sensing data;
S03: described compensatory light sends the compensation light of wavelength in preset range according to described start-up control data;
S04: the veiling glare of filtering wavelength outside described preset range enters described camera only to make the light of wavelength in described preset range;
S05: described camera is taken the image of described subject according to described shooting control data.
S051: utilize the super bright zone in the described image of log-compressed technique compresses;
S06: gather the view data that described camera obtains;
S07: the view data that described camera obtains is carried out image processing.
Among this embodiment, at first by the related sensing data of sensor acquisition with the translational speed of the mobile object that will take, and sensing data is sent to main control end, by main control end according to sensing data, the shooting control data that start-up control data that the calculating compensatory light starts and the camera corresponding with described compensatory light are taken, compensatory light sends the compensation light of wavelength in preset range according to the start-up control data according to the regular hour frequency then; To the camera processing that filters, the veiling glare of filtering wavelength outside described preset range enters described camera only to make the light of wavelength in described preset range, and camera then according to taking control data, is taken according to certain shutter and exposure parameter then; When having a plurality of compensatory lights and camera, can calculate by accurate, control the start-up time and the frequency of each compensatory light and camera, for example making only has luminous reaching with the corresponding camera of this compensatory light of compensatory light to carry out image taking in the same period; Camera can utilize the super bright zone in the described image of log-compressed technique compresses, gathers the view data through overcompression then, and view data is carried out image processing.
The dynamic image image pickup method that prevents ambient light interference of this embodiment can be applied in to be needed to take in the dynamic image every field, especially can be applied to needs reversible-light shooting or is subjected in the image detecting system of ambient light interference, this sentences the train of taking in advancing is example, for example in the lorry operation troubles dynamic detection system (TFDS) that railway systems are used, transducer generates sensing data according to the gait of march of the train in advancing, and be sent to main control computer, calculate the gait of march of train by main control computer, and the start-up control data that calculate compensatory light reach the shooting control data of the camera corresponding with described compensatory light, herein compensatory light can adopt the LED stroboscopic lamp for example power be the LED stroboscopic lamp of 3W, camera can adopt for example CMOS camera of 1,400,000 pixels of CMOS (Complementary Metal-Oxide Semiconductor CMOS (Complementary Metal Oxide Semiconductor)) camera, compensatory light sends the compensation light of wavelength in preset range according to the start-up control data according to the regular hour frequency then; Can install and the compensatory light corresponding filter of emission wavelength scope of LED stroboscopic lamp for example for camera, to the camera processing that filters, only making, the light of wavelength in the predetermined wavelength range of compensation light enters camera, camera then according to taking control data, is taken according to certain shutter and exposure parameter then; When having a plurality of compensatory lights and camera, can calculate by accurate, control the start-up time and the frequency of each compensatory light and camera, for example making only has luminous reaching with the corresponding camera of this compensatory light of compensatory light to carry out image taking in the same period; The CMOS camera can also utilize the LinLog technology, thereby promptly utilize the technology of the dynamic range of the super bright zone raising entire image in the described image of log-compressed technique compresses, compress the super bright zone in the described image, the dynamic range of CMOS camera can be expanded to 120dB, thereby can in a width of cloth figure, photograph zone very bright and that very secretly interweave, and then by the view data of collecting computer collection, and be sent to anacom view data is carried out image processing through overcompression.
The dynamic image image pickup method that prevents ambient light interference of present embodiment, compensatory light needn't Chang Liang, only in needs, send compensation light according to control, saved electric energy, and camera has carried out filtering and has handled, only make the light consistent enter camera, thereby eliminated the interference of surround lighting, image that can shooting clear with compensation light wavelength scope.
Fig. 3 is the structural representation of an embodiment of the dynamic image camera system that prevents ambient light interference provided by the invention, and as shown in Figure 3, the dynamic image camera system that prevents ambient light interference of this embodiment comprises:
Among this embodiment, sensor unit 11 is gathered the sensing data related with the translational speed of the mobile object that will take, and be sent to control unit 12, by control unit 12 according to sensing data, calculate the shooting control data that start-up control data that compensatory light unit 13 starts and the image taking unit 15 corresponding with described compensatory light unit 13 are taken, compensatory light unit 13 sends the compensation light of wavelength in preset range according to the start-up control data according to the regular hour frequency then; By the processing that filters of 14 pairs of image taking unit 15 of filter unit, the veiling glare of filtering wavelength outside described preset range, only to make the light of wavelength in described preset range enter described image taking unit 15,15 of image taking unit are taken according to certain shutter and exposure parameter according to taking control data then; When having a plurality of compensatory lights unit 13 and image taking unit 15, can calculate accurately by control unit 12, control the start-up time and the frequency of each compensatory light unit and image taking unit, for example making only has a compensatory light unit 13 luminous reaching with these 13 corresponding image taking unit 15, compensatory light unit to carry out image taking in the same period.
The dynamic image camera system that prevents ambient light interference of this embodiment can be applied in to be needed to take in the dynamic image every field, especially can be applied to needs reversible-light shooting or is subjected in the image detecting system of ambient light interference, the dynamic image camera system that prevents ambient light interference of present embodiment, the compensatory light unit needn't Chang Liang, only in needs, send compensation light according to control, saved electric energy, and toggle speed is fast, the reliability height, reduce greatly electromagnetic interference on every side, and the image taking unit has carried out filtering and has handled, make only consistent light enter camera with compensation light wavelength scope, thereby eliminated the interference of surround lighting, image that can shooting clear.
Fig. 4 is the structural representation of another embodiment of the dynamic image camera system that prevents ambient light interference provided by the invention, and as shown in Figure 4, said system can also comprise:
Transmitting element 17 sends the data that described data acquisition unit 16 collects;
Among this embodiment, sensor unit 11 is gathered the sensing data related with the translational speed of the mobile object that will take, and be sent to control unit 12, by control unit 12 according to sensing data, calculate the shooting control data that start-up control data that compensatory light unit 13 starts and the image taking unit 15 corresponding with described compensatory light unit 13 are taken, compensatory light unit 13 sends the compensation light of wavelength in preset range according to the start-up control data according to the regular hour frequency then; By the processing that filters of 14 pairs of image taking unit 15 of filter unit, the veiling glare of filtering wavelength outside described preset range, only to make the light of wavelength in described preset range enter described image taking unit 15,15 of image taking unit are taken according to certain shutter and exposure parameter according to taking control data then; When having a plurality of compensatory lights unit and image taking unit, can calculate accurately by control unit 12, control the start-up time and the frequency of each compensatory light unit and image taking unit, for example making only has a compensatory light unit 13 luminous reaching with these 13 corresponding image taking unit 15, compensatory light unit to carry out image taking in the same period, image taking unit 15 can utilize the super bright zone in the described image of log-compressed technique compresses, data acquisition unit 16 collections are through the view data of overcompression then, and be sent to graphics processing unit 18 by transmitting element 17, carry out image processing by 18 pairs of view data of graphics processing unit.
The dynamic image image pickup method that prevents ambient light interference of this embodiment can be applied in to be needed to take in the dynamic image every field, especially can be applied to needs reversible-light shooting or is subjected in the image detecting system of ambient light interference, this sentences the train of taking in advancing is example, for example in the lorry operation troubles dynamic detection system (TFDS) that railway systems are used, sensor unit 11 can generate sensing data for the gait of march that permanent magnetism signal transducer and preprocessor are formed according to the train in advancing, and be sent to for example main control computer of control unit 12, calculate the gait of march of train by main control computer, and the start-up control data that calculate compensatory light unit 13 reach the shooting control data of the image taking unit 15 corresponding with described compensatory light unit, herein compensatory light unit 13 can adopt the LED stroboscopic lamp for example power be the LED stroboscopic lamp of 3W, image taking unit 15 can adopt for example CMOS camera of 1,400,000 pixels of CMOS camera, the LED stroboscopic lamp sends the certain compensation light of wave-length coverage according to the start-up control data according to the regular hour frequency; Filter unit 14 can for be installed on the image taking unit 15 with the compensatory light unit 13 corresponding filter of emission wavelength scope of LED stroboscopic lamp for example, by filter to the processing that filters of CMOS camera, make only consistent light enter the CMOS camera with compensation light wavelength scope, the CMOS camera then according to taking control data, is taken according to certain shutter and exposure parameter then; When having a plurality of LED stroboscopic lamps and CMOS camera, can calculate accurately by main control computer, control the start-up time and the frequency of each LED stroboscopic lamp and CMOS camera, for example making only has the luminous and CMOS camera corresponding with this LED stroboscopic lamp of LED stroboscopic lamp to carry out image taking in the same period, the CMOS camera can also utilize the LinLog technology, thereby promptly utilize the technology of the dynamic range of the super bright zone raising entire image in the described image of log-compressed technique compresses, compress the super bright zone in the described image, the dynamic range of CMOS camera can be expanded to 120dB, thereby can in a width of cloth figure, photograph zone very bright and that very secretly interweave, and then by data acquisition unit 16 collecting computer for example, collection is through the view data of overcompression, and by transmitting element 17 fiber optical transceiver for example, view data is sent to for example anacom of graphics processing unit 18, and view data is carried out image processing.
The dynamic image camera system that prevents ambient light interference of present embodiment, the compensatory light unit needn't Chang Liang, only in needs, send compensation light, saved electric energy, and toggle speed is fast according to control, the reliability height, reduce greatly to around electromagnetic interference, and the image taking unit carried out filter handling, and makes only consistent with compensation light wavelength scope light enter the image taking unit, thereby eliminated the interference of surround lighting, image that can shooting clear.
In a word, the above is embodiments of the invention only, is not to be used to limit protection scope of the present invention, but is used to illustrate the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
In addition, each technology that illustrates respectively among the above embodiment, system; device; among method and each embodiment respectively the technical characterictic of explanation can make up, thereby form other the module do not break away within the spirit and principles in the present invention, method; device; system and technology, the module that these combine according to the record of the embodiment of the invention, method; device, system and technology are all within protection scope of the present invention.
Claims (8)
1, prevent the dynamic image image pickup method of ambient light interference, comprising:
Gather the sensing data related with the translational speed of subject;
According to described sensing data, calculate and to be used for the start-up control data that compensatory light starts and to be used for the shooting control data that the camera corresponding with described compensatory light taken;
Described compensatory light sends the compensation light of wavelength in preset range according to described start-up control data;
The veiling glare of filtering wavelength outside described preset range enters described camera only to make the light of wavelength in described preset range;
Described camera is taken the image of described subject according to described shooting control data.
2, the method for claim 1 is characterized in that, only has compensatory light luminous and only have the camera corresponding with this compensatory light to take in the scheduled time slot.
3, the method for claim 1 is characterized in that, described camera also comprises the super bright zone that utilizes in the captured image of log-compressed technique compresses after taking the image of described subject according to described shooting control data.
4, the method for claim 1 is characterized in that, after described camera is taken the image of described subject according to described shooting control data, also comprises and gathers the view data that described camera obtains.
5, method as claimed in claim 4 is characterized in that, after the view data that the described camera of described collection obtains, comprises that also the view data that described camera is obtained carries out image processing.
6, prevent the dynamic image camera system of ambient light interference, comprising:
Sensor unit is used to gather the sensing data related with the translational speed of subject, and sends described sensing data;
Control unit receives described sensing data, calculates according to described sensing data to be used for the start-up control data that the compensatory light unit starts and to be used for the shooting control data that the image taking unit corresponding with described compensatory light unit taken;
Described compensatory light unit receives described start-up control data and sends the compensation light of wavelength in preset range according to described start-up control data;
Filter unit, the veiling glare of filtering wavelength outside described preset range enters described image taking unit only to make the light of wavelength in described preset range;
Described image taking unit receives described shooting control data and takes the image of described subject according to described shooting control data.
7, system as claimed in claim 6 is characterized in that, further comprises:
Data acquisition unit is gathered the image of the described subject of described image taking unit photographs.
8, system as claimed in claim 7 is characterized in that, further comprises:
Transmitting element sends the data that described data acquisition unit collects; And
Graphics processing unit receives the data that described transmitting element sends, and it is carried out image processing.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376093A (en) * | 2012-04-28 | 2013-10-30 | 宝山钢铁股份有限公司 | Method and device for imaging non-uniform velocity moving object by TDI (Time Delayed Integration) CCD (Charge Coupled Device) |
| CN104104846A (en) * | 2013-04-03 | 2014-10-15 | 财团法人工业技术研究院 | Full-cycle image sensing system and sensing method |
| WO2016026465A1 (en) * | 2014-08-21 | 2016-02-25 | 努比亚技术有限公司 | Shooting method, shooting device, and corresponding computer program and medium |
| CN107101926A (en) * | 2017-05-05 | 2017-08-29 | 湖南建研信息技术股份有限公司 | A kind of automatic measurement and the Anti-leakage instrument and impervious detection method of control |
| CN108931511A (en) * | 2018-06-04 | 2018-12-04 | 常州市武进区半导体照明应用技术研究院 | The fluorescence detection device and method of ultraviolet LED |
| CN116389898A (en) * | 2023-02-27 | 2023-07-04 | 荣耀终端有限公司 | Image processing method, device and storage medium |
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2009
- 2009-04-13 CN CN200910134433A patent/CN101527793A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376093A (en) * | 2012-04-28 | 2013-10-30 | 宝山钢铁股份有限公司 | Method and device for imaging non-uniform velocity moving object by TDI (Time Delayed Integration) CCD (Charge Coupled Device) |
| CN103376093B (en) * | 2012-04-28 | 2015-07-22 | 宝山钢铁股份有限公司 | Method and device for imaging non-uniform velocity moving object by TDI (Time Delayed Integration) CCD (Charge Coupled Device) |
| CN104104846A (en) * | 2013-04-03 | 2014-10-15 | 财团法人工业技术研究院 | Full-cycle image sensing system and sensing method |
| CN104104846B (en) * | 2013-04-03 | 2018-03-06 | 财团法人工业技术研究院 | Full-cycle image sensing system and sensing method |
| WO2016026465A1 (en) * | 2014-08-21 | 2016-02-25 | 努比亚技术有限公司 | Shooting method, shooting device, and corresponding computer program and medium |
| CN107101926A (en) * | 2017-05-05 | 2017-08-29 | 湖南建研信息技术股份有限公司 | A kind of automatic measurement and the Anti-leakage instrument and impervious detection method of control |
| CN108931511A (en) * | 2018-06-04 | 2018-12-04 | 常州市武进区半导体照明应用技术研究院 | The fluorescence detection device and method of ultraviolet LED |
| CN108931511B (en) * | 2018-06-04 | 2023-11-14 | 常州市武进区半导体照明应用技术研究院 | Ultraviolet LED fluorescence detection device and method |
| CN116389898A (en) * | 2023-02-27 | 2023-07-04 | 荣耀终端有限公司 | Image processing method, device and storage medium |
| CN116389898B (en) * | 2023-02-27 | 2024-03-19 | 荣耀终端有限公司 | Image processing method, device and storage medium |
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