CN203414717U - Device for frequency-division processing of short-wave infrared and visible light of shooting/photographing equipment - Google Patents
Device for frequency-division processing of short-wave infrared and visible light of shooting/photographing equipment Download PDFInfo
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- CN203414717U CN203414717U CN201320521826.3U CN201320521826U CN203414717U CN 203414717 U CN203414717 U CN 203414717U CN 201320521826 U CN201320521826 U CN 201320521826U CN 203414717 U CN203414717 U CN 203414717U
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Abstract
The utility model discloses a device for the frequency-division processing of short wave infrared and visible light of shooting/photographing equipment, and the device comprises a casing which is provided with a clamping hole. The interior of the clamping hole is provided with a lens in a clamped manner. A position, corresponding to the clamping hole, in the casing is provided with an optical selector and an image sensor. The optical selector is disposed between the lens and the image sensor. The image sensor is in communication connection with an image-processing unit which is provided with a video output interface. The video output interface passes through a side of the casing. The device provided by the utility model can solve a problem of short-wave infrared small-signal loss caused by that the dynamic range of the visible light is far greater than the dynamic range of the short-wave infrared when a broad-spectrum CCD is used. A short-wave infrared-induction electric signal which has a small dynamic range and low illumination passes through an independent signal-processing channel, thereby enabling an output signal to reflect the content of an object view of the short-wave infrared to maximum extent.
Description
Technical field
The utility model relates to a kind of optical instrument, and concrete is a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division.
Background technology
In visible light the inside, the shorter blue light of wavelength has stronger scattering properties, and the longer ruddiness of wavelength has stronger through characteristic.At the longer near-infrared band of wavelength, there is the through characteristic not worse than ruddiness, utilize this specific character of near infrared light to can be used for Penetrating Fog observation; Because the light intensity attenuation amplitude near infrared ray at night relative daytime is little, well below day/night of visible ray, than width, near infrared ray night vision camera is based on this characteristic.
Although near infrared penetration capacity is stronger, can not offer human eye vision information, color information especially, and these information may be very important to people; In addition, just because of near infrared ray has certain penetration capacity, for some thin surface layer information, also just can not obtain, as wear colored tulle, stage smoke screen ... and these information can allow picture more enrich, comprise more content.
Meanwhile, visible ray also has some defects of self.Such as large greasy weather or rainy day, visible ray is because be difficult to see object at a distance by droplet scattering; The artwork that has covered dust is also so, and visible ray is impossible see artwork surface content under dust.
In order to obtain abundant image information, existing method is generally that the picture material that gathers respectively same visual field by a short-wave infrared imageing sensor and a visible light image sensor (CCD or CMOS) merges, then the method showing at same display screen is to obtain abundant picture material.This method can solve the intrinsic deficiency of above-mentioned single band shooting, can see surperficial sand and dust or haze clearly, can have an X-rayed the object after sand and dust or haze again, thereby has important application in a lot of occasions.Such as the assisting navigation for aircraft, steamer, automobile (flight recorder, drive recorder etc.), can when haze weather, see target at a distance clearly, the in the situation that of sufficiency of illumination, can also see visible ray target nearby simultaneously clearly.Be not subject to the impact at daytime or night can obtain profile, the positional information of target.But this kind of method also has its weak point, wherein the most important cost that surely belongs to short-wave infrared sensor is too high, tens thousand of, hundreds thousand of easily, and this is relevant with the special material such as the indium of its use, gallium, vanadium and complicated processing technology, is difficult to extensive popularization and application.
In addition, also has at present the another kind of cheap ccd sensor that can simultaneously survey visible ray and short-wave infrared, as the ICX658AKA of Sony, owing to adopting the processing technology of silicon substrate, cost reduces greatly. even so, but the short-wave infrared frequency band that CCD can cover remains narrow, the short infrared that surpasses 1500nm wavelength is just difficult to record.But this does not affect the practicality at short-wave infrared.But, also just because of can survey visible ray and infrared ray simultaneously, if when there is haze when having enough visible ray brightness, can than width, have big difference, cause the detectivity of short-wave infrared almost just useless because of visible ray and short-wave infrared, may produce interference on the contrary, affect the picture quality of visible ray.In addition, short-wave infrared also can disturb the color information of visible images, causes color distortion.Luminance distortion, therefore, single superposed signal (short-wave infrared and visible ray) that relies on wide spectrum CCD to obtain can not really separate component information separately, and at the picture processing path of a certain gain because these two kinds of signals have big difference and cause the content of short-wave infrared signal to be buried in oblivion than width.This is also the reason that most cameras all will use the logical optical selector of visible light belt.
In view of above deficiency, the utility model provides the solution of taking into account above-mentioned two schemes---and use wide spectral image sensor frequency division to process the image fusion system of near infrared and visible ray.
Utility model content
The utility model proposes a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division, with cheap manufacturing cost, realize the ability of simultaneously obtaining the visible images of great dynamic range and the short-wave infrared image of small dynamic range, and merge short-wave infrared image and visible images by graphics processing unit, obtain abundant in content composograph, make its various weather that can be adapted to daytime, also can be adapted to the situation of ultralow visible light illumination at night, and do any change and setting without this device, possess adaptivity.
The technical solution of the utility model is achieved in that a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division, comprise casing, on described casing, have hole clipping, holding camera lens in hole clipping, in described casing, the position of corresponding hole clipping is provided with optical selector and imageing sensor, described optical selector is located between camera lens and imageing sensor, described imageing sensor is connected with graphics processing unit communication, described graphics processing unit is provided with video output interface, and described video output interface runs through casing one side.
Further, described imageing sensor adopts wide spectroscopic CCD image sensor or wide spectrum cmos image sensor.
Further, described optical selector adopts optical filtering, and described optical filtering adopts respectively short-wave infrared optical filtering and visible ray optical filtering.
Further, be also provided with support in described casing, described support is provided with the motor with pallet, and described motor is powered by graphics processing unit, and described optical filtering is fixed on pallet, and the setting alternate with visible ray optical filtering of short-wave infrared optical filtering.
Further, on described casing, be equipped with 2 camera lenses, be respectively visible light lens and short-wave infrared camera lens, and the corresponding corresponding optical filtering of difference and imageing sensor.
Further, described optical selector adopts spectroscope, and in described casing, the inclined position of corresponding camera lens is provided with spectroscope, and corresponding wide spectral image sensor and graphics processing unit are set respectively on described spectroscopical reflection paths and transmission path.
Further, described spectroscopical center on the optical axis of camera lens and the angle of relatively camera lens setting be 45 °.
The beneficial effects of the utility model are: a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division of the present utility model, and the dynamic range that can solve visible ray is far longer than the problem of the short-wave infrared small-signal loss that the dynamic range of short-wave infrared causes; Dynamic range is less, illumination is low short-wave infrared electrical signal of reaction is through independently dark balance, white balance and the gain of signal processing channel, applicable this signal amplitude of employing and dynamic range, make the electric signal of output can farthest reflect the relatively little detail content of object view content, especially dynamic range of short-wave infrared; By visible image signal and short-wave infrared picture signal by specific computing compositor (by hardware or software mode, implementation can adopt form and aspect modulation, intensification modulation, contrast modulation, arithmetic mean, pseudo-color cover etc. according to specific needs), can embody the overall stereovision of image after making image synthetic and not lose again original each spectrum signal.Thereby realize the presentation can see clearly nearby in having the environment such as haze, tulle covering, can see the object view content that distant place/depths is hidden by haze tulle clearly again.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of another embodiment of the utility model;
Fig. 3 is the structural representation of the 3rd embodiment of the utility model;
Fig. 4 is support holder structure schematic diagram in Fig. 1.
In figure: 1, casing; 2, camera lens; 3, optical selector; 4, imageing sensor; 5, graphics processing unit; 6, video output interface; 7, motor; 8, pallet.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division as shown in Figure 1 and Figure 4, it is characterized in that: comprise casing 1, on described casing 1, have hole clipping, holding camera lens 2 in hole clipping, the position of described casing 1 interior corresponding hole clipping is provided with optical selector 3 and imageing sensor 4, described optical selector 3 is located between camera lens 2 and imageing sensor 4, described imageing sensor 4 is connected with graphics processing unit 5 communications, described graphics processing unit 5 is provided with video output interface 6, and described video output interface 6 runs through casing 1 one sides.
As preferably, described imageing sensor 4 adopts wide spectroscopic CCD image sensor or wide spectrum cmos image sensors.
As preferably, described optical selector 3 adopts the optical filtering that is coated in the fan-shaped plated film formation that can see through on annular eyeglass, respectively short-wave infrared and visible ray, and described optical filtering is respectively short-wave infrared optical filtering and visible ray optical filtering.
As preferably, in described casing 1, be also provided with support, described support is provided with the motor 7 with pallet 8, and described motor is powered by graphics processing unit 5, and described optical filtering is fixed on pallet 8, and the setting alternate with visible ray optical filtering of short-wave infrared optical filtering.Described pallet 8 is adjusted by angular transducer/phase detector.Angular transducer/phase detector can be according to optical selector place angle output synchronizing signal, thus reaction optical selector where the light-sensitive surface of overlay image sensor 4 completely just in time.
In the present embodiment, ccd image sensor has adopted the ICX659AKA of Sony Corporation as the critical component of image sensitization, this sensor still has the relative sensitivity of 30% left and right at the near-infrared band of 900nm, can be used as the dual sensor of short-wave infrared and visible ray; A graphics processing unit 5, in order to realizing white balance setting, dark balance setting, produce that ccd image sensor normal operation needs various driving signals, amplification video signal and the analog to digital conversion of use, the correction of distorted image content, image is temporary, visible images is exported with short-wave infrared image co-registration, vision signal and according to picture material and the various control signals of State-output; An optical selector switches drive motor 7, and this motor 7, for obtaining after the image that a frame is complete, switches the optical selector 3 of imageing sensor 4 front ends, and the control signal of this motor 7 is provided by graphics processing unit 5; The optical selector 3 of pallet 8 formulas, the area that wherein includes the logical optical filtering of at least one visible light belt and logical optical filtering of short-wave infrared band, optical filtering is greater than the useful area of ccd image sensor sensitive surface and light that ccd image sensor sensitive surface receives has all passed through this optical filtering, for the electromagnetic wave beyond visible ray, (containing light wave, heat radiation) has iris action to visible ray optical filtering, infrared shortwave optical filtering is following to 700 nanometers, the electromagnetic wave of the above wavelength of 2000 nanometer has iris action, and the rotation of pallet 8 is to be realized by drive motor 7; One group of visible ray is to the logical camera lens 2 of near-infrared band band; And the casing 1 that supports these parts.The present embodiment is applicable to taking static image.
A kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division as shown in Figure 2, is equipped with 2 camera lenses 2 on described casing 1, be respectively visible light lens and short-wave infrared camera lens, and the corresponding corresponding optical filtering of difference and imageing sensor 4.Two ccd image sensors and separately optical lens 2 assemblies independently---one group for visible ray, one group near infrared ray; In order to obtain good short-wave infrared image effect, near-infrared image sensor adopts monochromatic ccd image sensor, and that in the present embodiment, ccd image sensor adopts is the ICX659ALA of Sony Corporation.The course of work of this embodiment is similar to embodiment mono-, but because the optical axis of two arrangement of mirrors heads 2 is not on same straight line, need to carry out depth of parallelism rectification or focus is corrected to these two optical axises, makes the image after merging can have less parallax.The present embodiment is applicable to photographing moving picture.
A kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division as shown in Figure 3, described optical selector 3 is spectroscope, the inclined position of the interior corresponding camera lens 2 of described casing 1 is provided with spectroscope, and imageing sensor 4 and the graphics processing unit 5 of corresponding spectrum is set respectively on described spectroscopical reflection paths and transmission path.Described spectroscopical center is on the optical axis of camera lens 2, and the angle that camera lens 2 arranges is relatively 45 °, present embodiment is based on above-mentioned two kinds of embodiment methods, further improve, in conjunction with, still adopt single arrangement of mirrors head 2, change optical selector 3 into spectroscope, the film plating layer on described spectroscope with selectivity wave band, visible ray can be reflected completely and all transmissions (or in contrast) of short infrared quilt, place it in 45° orientation, the rear axis of camera lens 2, make the light-sensitive surface (depending on that spectroscope is visible ray or the short infrared of reflection) of the image arrival visible light image sensor of reflection, the image of transmission arrive short-wave infrared imageing sensor (depend on spectroscope be reflection be short infrared or visible ray).
The present embodiment has utilized the film plating layer with band selective, allow the image of a certain specific band be reflected and principle that the image of another wave band is transmitted, the light of different-waveband is divided into two-way and delivers to imageing sensor 4 separately, be the vision-mix of same optical axis after spectroscope, near infrared ray sees through (ICX659ALA) imaging on infrared CCD imageing sensor of this film plating layer, visible ray is reflected onto Visible-light CCD imageing sensor (ICX659AKA).Relative embodiment bis-, this scheme do not have parallax and frame poor, can access good fused images and be applicable to live image.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division, it is characterized in that: comprise casing (1), described casing has hole clipping on (1), holding camera lens (2) in hole clipping, in described casing (1), the position of corresponding hole clipping is provided with optical selector (3) and imageing sensor (4), described optical selector (3) is located between camera lens (2) and imageing sensor (4), described imageing sensor (4) is connected with graphics processing unit (5) communication, described graphics processing unit (5) is provided with video output interface (6), described video output interface (6) runs through casing (1) one side.
2. a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division according to claim 1, is characterized in that: described imageing sensor (4) adopts wide spectroscopic CCD image sensor or wide spectrum cmos image sensor.
3. a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division according to claim 1, it is characterized in that: described optical selector (3) adopts optical filtering, and described optical filtering adopts respectively short-wave infrared optical filtering and visible ray optical filtering.
4. a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division according to claim 3, it is characterized in that: described casing is also provided with support in (1), described support is provided with the motor (7) of band pallet (8), described motor is powered by graphics processing unit (5), it is upper that described optical filtering is fixed on pallet (8), and the setting alternate with visible ray optical filtering of short-wave infrared optical filtering.
5. a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division according to claim 3, it is characterized in that: on described casing (1), be equipped with 2 camera lenses (2), be respectively visible light lens and short-wave infrared camera lens, and the corresponding corresponding optical filtering of difference and imageing sensor (4).
6. a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division according to claim 1, it is characterized in that: described optical selector (3) adopts spectroscope, in described casing (1), the inclined position of corresponding camera lens (2) is provided with spectroscope, and corresponding wide spectral image sensor (4) and graphics processing unit (5) are set respectively on described spectroscopical reflection paths and transmission path.
7. a kind of device of processing short-wave infrared and visible ray for make a video recording/camera installation frequency division according to claim 6, is characterized in that: described spectroscopical center on the optical axis of camera lens (2) and the angle of camera lens (2) setting be relatively 45 °.
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| CN201320521826.3U CN203414717U (en) | 2013-08-23 | 2013-08-23 | Device for frequency-division processing of short-wave infrared and visible light of shooting/photographing equipment |
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| CN201320521826.3U CN203414717U (en) | 2013-08-23 | 2013-08-23 | Device for frequency-division processing of short-wave infrared and visible light of shooting/photographing equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107831578A (en) * | 2017-11-08 | 2018-03-23 | 中船重工中南装备有限责任公司 | Multilayer omnidirectional watch window structure |
| CN108340837A (en) * | 2018-04-25 | 2018-07-31 | 深圳新亮智能技术有限公司 | Vehicle night vision DAS (Driver Assistant System) |
| TWI632420B (en) * | 2017-11-30 | 2018-08-11 | 禾企電子股份有限公司 | Surveillance camera with switchable filter and external camera for surveillance camera |
| CN110740238A (en) * | 2019-10-24 | 2020-01-31 | 华南农业大学 | light splitting HDR camera applied to mobile robot SLAM field |
| WO2021143204A1 (en) * | 2020-01-14 | 2021-07-22 | 华为技术有限公司 | Light-splitting flat panel, light-splitting device, light-splitting lens, camera, and electronic device |
| CN113189782A (en) * | 2020-01-14 | 2021-07-30 | 华为技术有限公司 | Light splitting flat plate, light splitting device, light splitting lens, camera and electronic equipment |
| WO2022068106A1 (en) * | 2020-09-29 | 2022-04-07 | 诚瑞光学(深圳)有限公司 | Camera and imaging assembly thereof |
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- 2013-08-23 CN CN201320521826.3U patent/CN203414717U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107831578A (en) * | 2017-11-08 | 2018-03-23 | 中船重工中南装备有限责任公司 | Multilayer omnidirectional watch window structure |
| CN107831578B (en) * | 2017-11-08 | 2023-12-05 | 中船重工中南装备有限责任公司 | Multi-layer omnidirectional observation window structure |
| TWI632420B (en) * | 2017-11-30 | 2018-08-11 | 禾企電子股份有限公司 | Surveillance camera with switchable filter and external camera for surveillance camera |
| CN108340837A (en) * | 2018-04-25 | 2018-07-31 | 深圳新亮智能技术有限公司 | Vehicle night vision DAS (Driver Assistant System) |
| CN110740238A (en) * | 2019-10-24 | 2020-01-31 | 华南农业大学 | light splitting HDR camera applied to mobile robot SLAM field |
| CN110740238B (en) * | 2019-10-24 | 2021-05-11 | 华南农业大学 | Light splitting HDR camera applied to mobile robot SLAM field |
| WO2021143204A1 (en) * | 2020-01-14 | 2021-07-22 | 华为技术有限公司 | Light-splitting flat panel, light-splitting device, light-splitting lens, camera, and electronic device |
| CN113189782A (en) * | 2020-01-14 | 2021-07-30 | 华为技术有限公司 | Light splitting flat plate, light splitting device, light splitting lens, camera and electronic equipment |
| EP4063940A4 (en) * | 2020-01-14 | 2023-01-18 | Huawei Technologies Co., Ltd. | Light-splitting flat panel, light-splitting device, light-splitting lens, camera, and electronic device |
| WO2022068106A1 (en) * | 2020-09-29 | 2022-04-07 | 诚瑞光学(深圳)有限公司 | Camera and imaging assembly thereof |
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