CN101303291B - Multi-channel multi-target ultra-optical spectrum imaging method and system based on digital micro lens device - Google Patents
Multi-channel multi-target ultra-optical spectrum imaging method and system based on digital micro lens device Download PDFInfo
- Publication number
- CN101303291B CN101303291B CN2008101231154A CN200810123115A CN101303291B CN 101303291 B CN101303291 B CN 101303291B CN 2008101231154 A CN2008101231154 A CN 2008101231154A CN 200810123115 A CN200810123115 A CN 200810123115A CN 101303291 B CN101303291 B CN 101303291B
- Authority
- CN
- China
- Prior art keywords
- light
- micromirror device
- digital micromirror
- target
- micro mirror
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a multichannel multiobjective hyper-spectral imaging method based on numerical microscopes, characterized in that, an object is imaged on a slit plane, an emergent light is collimate into a parallel light, split into ultraviolet light, infrared light and visible light, which are diffracted into the dispersion through the respective split grating diffraction, then is focused on the corresponding numerical microscope; the turning state of the numerical microscope is controlled by the computer, and the emergent light of the on-state is projected on the detector, used for image and post-treatment through the data acquisition treatment. The device is arranged with a multi-agglutination prism of the dichroism filter, and the dispersion of the ultraviolet light, the infrared light and the visible light is realized. The method realizes the image information acquisition of the triband of infrared light, visible light and ultraviolet light, solves the problems that the spectrum imaging data are too large without affecting the spectrographic detection quality of the target area, and is in favor of realizing the multiobjective identification and the real-time track.
Description
Technical field
The present invention relates to a kind of Hyper spectral Imaging instrument, relate in particular to a kind of hyperchannel of Digital Micromirror Device, ultra-optical spectrum imaging system that can be used for multiple goal identification, follows the trail of of adopting.
Background technology
The light spectrum image-forming instrument is the optical imagery instrument of a kind of realization the " collection of illustrative plates unification ".Hyper spectral Imaging typically refers to the light spectrum image-forming technology of spectral coverage number in 100 to 400 scopes, at present in remote sensing observations fields such as environmental monitoring, military investigation, forest fire protection, crops the yield by estimation, disease and pest supervision, and in microcosmic field of detecting such as PCB check, biochip and the detections of DNA chip very important application is arranged all.
The data that a key factor of restriction multi-optical spectrum imaging technology development is a Hyper spectral Imaging are too huge.Especially for present most widely used remote sensing Hyper spectral Imaging technology, as satellite load, the data storage device of the impossible equipped capacitor super large of remote sensor, and existing message transmission rate over the ground is difficult to the numerical value that reaches desirable, and this has just proposed very test to the hardware device and the software approach of remote sensor event data compression on the satellite.Detection be discerned and be followed the tracks of to multiobject Hyper spectral Imaging can to military target, civilian site and microcosmic chip target, and the background of target mostly is garbage, has taken lot of data, follows the trail of to identification of targets simultaneously and bring very big difficulty.
Be subjected to the restriction of light-splitting device and the corresponding investigative range of detector, traditional spectrum imaging system generally only is confined to a wave band (mostly being visible waveband or near-infrared band).Object is infrared, visible, the light spectrum image-forming data of three wave bands of ultraviolet if can obtain simultaneously, compares, can more effective realization Target Recognition and tracking.
(Digital Mirror Device DMD) is invented in 1987 by Texas ,Usa instrument company Digital Micromirror Device.It is the typical successful product of large scale integrated circuit technology, microelectromechanical systems and the triplicity of micro-optic technology.DMD has the function of addressing beam split, mainly is applied to DLP (Digital Light Processing) field the earliest, is used for making digital-video equipments such as HDTV, projector by external well-known IT enterprises.Along with the application development of dmd chip in fields such as holographic imaging, microscopy, light spectrum image-formings, TI company begins optionally to be used for the applied research and the exploration in chip application field to some strong small-scale dmd chips that provides of scientific research institution, research institute both at home and abroad.
Shown in accompanying drawing 1, Digital Micromirror Device (DMD) mainly is made up of the array that Digital Micromirror Device control panel 1 and a plurality of micro mirror 2 constitute, and each micro mirror is equivalent to a photoswitch.The rotational angle that DMD relies on the control micro mirror to be controlling the reflection direction of incident ray it on, the deflection angle difference of micro mirror, and catoptrical shooting angle is difference just.Each micro mirror unit can be rotated to both direction during work: one of them direction is+12 °, incident ray 3 can be reflexed to projection system, projects on screen or the detector, is called ON state (referring to the ON state reflection ray 4 among the figure); Another direction is-12 °, incident light can be reflexed to absorb the plane, by absorbing the bundle of planes light absorption, is called OFF state, (referring to the OFF state reflection ray 5 among the figure).The electric signal control time of DMD photoswitch only is 2 μ s, and the mechanical switch time (comprise micro mirror put in place and lock) is about 15 μ s.
At present, Digital Micromirror Device possessed 1024 * 768 resolution, be not less than 85% the optical filling factor, the high speed upset ability that per second is thousands of times more makes it become the outstanding spatial modulator of performance, can realize the addressing to light in ultra-optical spectrum imaging system, significantly deletes redundant data.
Summary of the invention
The present invention seeks to overcome the too huge deficiency of data volume that existing Hyper spectral Imaging technology is confined to a wave band, collection more, a kind of Hyper spectral Imaging technology that adopts Digital Micromirror Device is provided, realize light spectrum image-formings infrared, visible, three wave bands of ultraviolet simultaneously, and can significantly reduce the valid data that need reception, more help identification of targets and tracking.
For achieving the above object, the technical solution used in the present invention is: a kind of multi-channel multi-target ultra-optical spectrum imaging method based on Digital Micromirror Device, with target imaging on a slit plane, emergent light is through being collimated into directional light, project more than one on the cemented prism, the dichroism optical filter that utilizes many cemented prisms not to be provided with on the coplanar, respectively with ultraviolet light and infrared light reflection outgoing, visible light is then through the prism transmission outgoing, described ultraviolet light, infrared light, visible light is respectively through spectro-grating diffraction formation chromatic dispersion separately, focus on again on the corresponding Digital Micromirror Device, micro mirror rollover states by the computer control Digital Micromirror Device, the emergent light of ON state position projects on the detector, through data acquisition process, is used for imaging and post-processed.
Further technical scheme, for realizing identification and tracking for dynamic object, before the micro mirror rollover states control of carrying out Digital Micromirror Device, target is moved along the direction perpendicular to slit with respect to slit, finish to push away and sweep, obtain the spectral information of two-dimensional space, the spectral information of three wave bands of comparison, identify specific objective orientation and record by recognizer, then, the control figure micro mirror element makes the micro mirror unit of target correspondence position be in ON state, the micro mirror unit of non-target location is in OFF state, realizes the addressing of specific target areas or specific wavelength; Control Software is analyzed time dependent sampled data, obtains the direction vector that the target azimuth changes, and adjusts the micro mirror unit open and close state of Digital Micromirror Device automatically, realizes target tracking.
Use a kind of multi-channel multi-target ultra-optical spectrum imaging system of said method based on Digital Micromirror Device, comprise object lens, slit, collimation lens, light-splitting processing light path and detector, described object lens make target imaging in plane, slit place, the many cemented prisms of described light-splitting processing optical routing and infrared, ultraviolet, visible light three tunnel is handled light path and is constituted, be respectively equipped with the dichroism optical filter on two cemented surfaces of described many cemented prisms, described each processing light path comprises the spectro-grating of a corresponding wavelength coverage, convergent lens, Digital Micromirror Device and eyepiece, correspondence everywhere Ricoh road is provided with a described detector, emergent light behind the spectro-grating diffraction is radiated on the Digital Micromirror Device through convergent lens, and the emergent light that Digital Micromirror Device is in the micro mirror unit of ON state is radiated on the described detector through eyepiece.
In the technique scheme, the width of described slit is between 0.1 millimeter to 5 millimeters.
Above, described object lens are common object lens, microcobjective or telephotolens according to application need; Described spectro-grating is common grating or holographic grating; Described detector is selected from ccd detector or cmos detector.
Compared with prior art, the present invention has following advantage:
1. the present invention has significantly reduced the data of Hyper spectral Imaging: make photoswitch with Digital Micromirror Device, light is carried out the selection of reflection direction, can be so that planar array detector only receive the optical information in specific objective thing and the characteristic wavelength scope, and ignore the optical information in space background and the non-characteristic wavelength scope of object.Need to obtain the partial data except that pushing away for the first time to sweep, the data that are used for the post analysis processing that planar array detector receives significantly reduce, and this development meaning for the Hyper spectral Imaging technology of space flight and aviation remote sensing application is particularly great.
2. the present invention helps the multiple goal identification based on the spectral characteristic judgement: picking the optical information of electing with Digital Micromirror Device as photoswitch all is at the optical information in the clarification of objective spectral range, do not having under the condition of background interference, target signature is more lofty, compare spectroscopic data features infrared, visible, three wave bands of ultraviolet in addition, also make identification of targets more accurate.
3. the present invention helps following the trail of based on the multiple goal of spectral characteristic judgement: Target Recognition is the prerequisite of target tracking accurately, for moving target, comparison by the different period imaging results in front and back, can the motion vector of target be made a determination, feed back to Digital Micromirror Device, change the rollover states of target proximity position micro mirror unit, continue tracking target.The upset ability that the Digital Micromirror Device per second is thousands of times provides technical guarantee for the multiple goal of real-time tracing high-speed motion.
Description of drawings
Fig. 1 is the fundamental diagram of Digital Micromirror Device;
Fig. 2 is the multi-channel multi-target ultra-optical spectrum imaging system schematic that adopts Digital Micromirror Device among the embodiment one;
Fig. 3 is that control figure micro mirror element respective micromirrors unit rollover states is realized the synoptic diagram of target acquistion after determining the object position by software algorithm among the embodiment one;
Fig. 4 is after determining the object displacement vector by software algorithm among the embodiment one, changes the synoptic diagram that Digital Micromirror Device respective micromirrors unit rollover states is realized target tracking.
Wherein: 1, Digital Micromirror Device control panel; 2, micro mirror; 3, incident ray; 4, ON state reflection ray; 5, OFF state reflection ray; 6, light source; 7, object; 8, object lens; 9, slit; 10, collimation lens; 11, many balsaming lenss; 12, the high anti-dichroism optical filter of infrared band; 13, the high anti-dichroism optical filter of ultraviolet band; 14, infrared spectroscopy grating; 15, visible light light-splitting grating; 16, ultraviolet spectrometry grating; 17, convergent lens; 18, infrared Digital Micromirror Device; 19, visible light Digital Micromirror Device; 20, ultraviolet Digital Micromirror Device; 21, eyepiece; 22, infrared eye; 23, visible-light detector; 24, ultraviolet detector.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment one: shown in accompanying drawing 2, a kind of multiple goal ultra-optical spectrum imaging system based on Digital Micromirror Device, comprise object lens 8, slit 9, collimation lens 10, light-splitting processing light path and detector, under the irradiation of light source 6, described object lens make object 7 image in plane, slit 9 place, the many cemented prisms 11 of described light-splitting processing optical routing and infrared, ultraviolet, visible light three tunnel is handled light path and is constituted, be respectively equipped with high anti-dichroism optical filter 12 of infrared band and the high anti-dichroism optical filter 13 of ultraviolet band on two cemented surfaces of described many cemented prisms 11, infrared processing light path comprises infrared spectroscopy grating 14, convergent lens 17, infrared Digital Micromirror Device 18 and eyepiece 21, corresponding infrared processing light path is provided with infrared eye 22, emergent light behind infrared spectroscopy grating 14 diffraction is radiated on the infrared Digital Micromirror Device 18 through convergent lens, and the emergent light that Digital Micromirror Device is in the micro mirror unit of ON state is radiated on the described infrared eye 22 through eyepiece; Ultraviolet is handled light path and is comprised ultraviolet spectrometry grating 16, convergent lens 17, ultraviolet Digital Micromirror Device 20 and eyepiece 21, corresponding ultraviolet is handled light path and is provided with ultraviolet detector 24, emergent light behind ultraviolet spectrometry grating 16 diffraction is radiated on the ultraviolet Digital Micromirror Device 20 through convergent lens, and the emergent light that Digital Micromirror Device is in the micro mirror unit of ON state is radiated on the described ultraviolet detector 24 through eyepiece; The visible-light treatment light path comprises visible light light-splitting grating 15, convergent lens 17, visible light Digital Micromirror Device 19 and eyepiece 21, corresponding visible-light treatment light path is provided with visible-light detector 23, emergent light behind visible light light-splitting grating 15 diffraction is radiated on the visible light Digital Micromirror Device 19 through convergent lens, and the emergent light that Digital Micromirror Device is in the micro mirror unit of ON state is radiated on the described visible-light detector 23 through eyepiece.
Under the irradiation of light source 6, the pictures that object 7 is amplified by 8 one-tenth on object lens are on slit plane 9, the band picture of corresponding object lateral attitude, slit 9 positions, light by slit 9 outgoing becomes directional light through collimation lens 10, directional light exposes to many cemented prisms 11, infrared light incides on the infrared spectroscopy grating 14 in the reflection of dichroism optical filter 12 places.Light forms diffraction on spectro-grating 14, light after the chromatic dispersion is converged on the infrared Digital Micromirror Device 18 by convergent lens 17, microcomputer is provided with Digital Micromirror Device, the rollover states of the unit micro mirror on target area or the characteristic wavelength is set to " open ", incident ray on it will be along+12 ° of direction reflections, the rollover states of the unit micro mirror on the background area of non-target or the non-characteristic wavelength is set to " pass ", its glazed thread will be along-12 ° of direction reflections.Eyepiece 21 only with the convergence of rays of ON state to infrared eye 22, herein, infrared eye can adopt area array CCD camera, microcomputer directly links to each other with area array CCD camera by USB interface, finishes the generation of data processing and image.
With object 7 along moving perpendicular to slit direction, make object 7 different band pictures be in slit 9 positions, just can finish the Hyper spectral Imaging of object 7 two-dimensional spaces.
Through once complete two-dimensional space push away sweep after, can obtain the complete Hyper spectral Imaging data of three wave bands of object place two-dimensional space, processing and result's comparison by special algorithm just can realize determining of object orientation to the data of three wave bands by software, and the rollover states of control figure micro mirror element respective micromirrors unit is " opening ", and the rollover states of other micro mirror unit is " pass ".As shown in Figure 3, behind the single pass, software goes out target location position (square position) in left figure square frame by the characteristics algorithm identified, then when scan corresponding lengthwise position (rectangle frame position) next time, setting the micro mirror state of corresponding lateral attitude (represents with 1 among the right figure for opening, together following), all the other positions are for closing (representing with 0 among the right figure, down together).
When the target location changes, the object displacement vector also can be obtained by the Hyper spectral Imaging data computation of special algorithm at three wave bands by software, computing machine feeds back to Digital Micromirror Device with displacement vector, change Digital Micromirror Device and adjust the rollover states of respective micromirrors unit, thereby keep tracking object.As Fig. 4, object moves from left to right among the left figure, and computing machine is judged the displacement vector of object by algorithm, and the rollover states of corresponding adjusting micro mirror shown in each figure of right side, is finished the tracking to target.
Claims (5)
1. multi-channel multi-target ultra-optical spectrum imaging method based on Digital Micromirror Device, it is characterized in that: with target imaging on a slit plane, emergent light is through being collimated into directional light, project more than one on the cemented prism, the dichroism optical filter that utilizes many cemented prisms not to be provided with on the coplanar, respectively with ultraviolet light and infrared light reflection outgoing, visible light is then through the prism transmission outgoing, described ultraviolet light, infrared light, visible light is respectively through spectro-grating diffraction formation chromatic dispersion separately, focus on again on the corresponding Digital Micromirror Device, micro mirror rollover states by the computer control Digital Micromirror Device, the emergent light of ON state position projects on the detector, through data acquisition process, be used for imaging and post-processed.
2. the multi-channel multi-target ultra-optical spectrum imaging method based on Digital Micromirror Device according to claim 1, it is characterized in that: before the micro mirror rollover states control of carrying out Digital Micromirror Device, target is moved along the direction perpendicular to slit with respect to slit, finish to push away and sweep, obtain the spectral information of two-dimensional space, identify specific objective orientation and record by recognizer, then, the control figure micro mirror element, make the micro mirror unit of target correspondence position be in ON state, the micro mirror unit of non-target location is in OFF state, realizes the addressing of specific target areas or characteristic wavelength; Control Software is analyzed time dependent sampled data, obtains the direction vector that the target azimuth changes, and adjusts the micro mirror unit open and close of Digital Micromirror Device automatically, realizes target tracking.
3. multi-channel multi-target ultra-optical spectrum imaging system based on Digital Micromirror Device, comprise object lens, slit, collimation lens, light-splitting processing light path and detector, described object lens make target imaging in plane, slit place, it is characterized in that: the many cemented prisms of described light-splitting processing optical routing and infrared, ultraviolet, visible light three tunnel is handled light path and is constituted, be respectively equipped with the dichroism optical filter on two cemented surfaces of described many cemented prisms, described each processing light path comprises the spectro-grating of a corresponding wavelength coverage, convergent lens, Digital Micromirror Device and eyepiece, correspondence everywhere Ricoh road is provided with a described detector, emergent light behind the spectro-grating diffraction is radiated on the Digital Micromirror Device through convergent lens, and the emergent light that Digital Micromirror Device is in the micro mirror unit of ON state is radiated on the described detector through eyepiece.
4. the multi-channel multi-target ultra-optical spectrum imaging system based on Digital Micromirror Device according to claim 3 is characterized in that: the width of described slit is between 0.1 millimeter to 5 millimeters.
5. the multi-channel multi-target ultra-optical spectrum imaging system based on Digital Micromirror Device according to claim 3, it is characterized in that: described detector is selected from ccd detector or cmos detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101231154A CN101303291B (en) | 2008-06-05 | 2008-06-05 | Multi-channel multi-target ultra-optical spectrum imaging method and system based on digital micro lens device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101231154A CN101303291B (en) | 2008-06-05 | 2008-06-05 | Multi-channel multi-target ultra-optical spectrum imaging method and system based on digital micro lens device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101303291A CN101303291A (en) | 2008-11-12 |
| CN101303291B true CN101303291B (en) | 2010-06-30 |
Family
ID=40113299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101231154A Expired - Fee Related CN101303291B (en) | 2008-06-05 | 2008-06-05 | Multi-channel multi-target ultra-optical spectrum imaging method and system based on digital micro lens device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101303291B (en) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799330B (en) * | 2009-11-13 | 2011-08-31 | 哈尔滨工业大学 | Method and system for realizing high-gray level infrared scene generation within short integration time |
| CN101893552B (en) * | 2010-07-06 | 2012-06-27 | 西安电子科技大学 | Hyperspectral imager and imaging method based on compressive sensing |
| CN102322954A (en) * | 2011-08-15 | 2012-01-18 | 苏州大学 | Hyper-spectral compression imaging method and system thereof |
| CN102323670B (en) * | 2011-09-06 | 2013-07-03 | 中国科学院长春光学精密机械与物理研究所 | Ultraviolet, visible and near-infrared light three-band optical imaging system |
| CN102564589B (en) * | 2011-12-20 | 2013-07-24 | 华中科技大学 | Spectral characteristic detection identification method for multi-wave-band moving objects and device thereof |
| CN102661919B (en) * | 2012-05-22 | 2014-02-19 | 江西科技师范大学 | Microscopical hyperspectral chromatography three-dimensional imaging device |
| FR2998371B1 (en) * | 2012-11-22 | 2015-01-16 | Bertin Technologies Sa | DEVICE FOR OPTICALLY DETECTING REMOTE GAS |
| CN103018010B (en) * | 2012-11-30 | 2016-01-13 | 北京振兴计量测试研究所 | A kind of light source light spectrum modulating device |
| CN103969693A (en) * | 2014-04-30 | 2014-08-06 | 中国科学院长春光学精密机械与物理研究所 | Photoelectric detection imaging system and method |
| CN104184955B (en) * | 2014-07-29 | 2017-04-05 | 中国科学院长春光学精密机械与物理研究所 | Control methods of the micro mirror array DMD in high dynamic range imaging |
| CN105092516A (en) * | 2014-10-24 | 2015-11-25 | 深圳莱特光电有限公司 | Digital light processing technology-based portable liquid food near infrared spectroscopy analyzer |
| CN104501959B (en) | 2014-12-30 | 2016-08-17 | 华中科技大学 | A kind of infared spectrum association intelligent detection method and device |
| CN104502918B (en) * | 2014-12-30 | 2016-09-07 | 华中科技大学 | A kind of low orbit satellite spaceborne collection of illustrative plates association detection method and load |
| CN105092603B (en) * | 2015-09-07 | 2017-09-05 | 哈尔滨理工大学 | The online vision inspection apparatus and method of bowl-type workpiece inner wall |
| CN105258802A (en) * | 2015-11-03 | 2016-01-20 | 南京理工大学 | Unstable environment transient-state temperature measuring device based on coarse and fine two-stage light splitting structure |
| CN106052865A (en) * | 2016-05-09 | 2016-10-26 | 中国科学院微电子研究所 | Optical splitter, manufacturing method thereof, image sensor and image imaging system |
| CN106323909A (en) * | 2016-09-14 | 2017-01-11 | 江苏大学 | Handheld near infrared spectrum detection system and detection method for quality of fruits and vegetables |
| CN106772822B (en) * | 2017-01-20 | 2019-08-16 | 深圳大学 | A kind of high-speed optical switch device |
| CN107462528B (en) * | 2017-08-02 | 2020-04-21 | 塔里木大学 | Method for detecting quality of red dates by multichannel spectrum |
| CN108683844B (en) * | 2018-05-04 | 2020-06-19 | 清华大学 | Method and device for realizing TDI push-broom imaging based on DMD |
| CN108844901B (en) * | 2018-06-25 | 2021-08-13 | 南京工程学院 | Multispectral image acquisition device |
| CN109211803B (en) * | 2018-09-17 | 2020-10-09 | 中国科学院生态环境研究中心 | Device for rapidly identifying micro plastic based on microscopic multispectral technology |
| CN111413842B (en) * | 2019-01-04 | 2022-06-28 | 青岛海信激光显示股份有限公司 | Illumination light path and laser projection equipment |
| CN110208196A (en) * | 2019-05-17 | 2019-09-06 | 北京云端光科技术有限公司 | Detection method and device, light spectrum detecting apparatus and storage medium |
| CN112098378A (en) * | 2020-08-05 | 2020-12-18 | 中国科学院深圳先进技术研究院 | Optical filter, optical filtering method and multispectral imaging system |
| CN112179289A (en) * | 2020-09-16 | 2021-01-05 | 西北工业大学宁波研究院 | Spectral imaging target obtaining system and method based on DMD |
| CN112295953B (en) * | 2020-10-14 | 2022-11-22 | 合肥泰禾智能科技集团股份有限公司 | Infrared sorting machine with three light paths |
| CN112945381B (en) * | 2021-02-02 | 2022-08-16 | 上海机电工程研究所 | Atlas time-sharing detection system and method based on vision field gating |
| CN113237457B (en) * | 2021-05-08 | 2022-06-21 | 中国科学院长春光学精密机械与物理研究所 | Spectrum measuring device and target tracking method thereof |
| CN114486182B (en) * | 2021-12-14 | 2024-03-22 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Multiband dynamic target simulation device based on DMD spatial light modulation technology |
| CN114441495B (en) * | 2022-02-13 | 2024-03-22 | 中国科学院长春光学精密机械与物理研究所 | Multicolor fluorescence microscopic imaging system |
| CN115541505A (en) * | 2022-09-20 | 2022-12-30 | 吉林省正真检测有限公司 | Spectral image separation system based on DMD |
| CN117392710B (en) * | 2023-12-05 | 2024-03-08 | 杭州海康威视数字技术股份有限公司 | Image recognition system |
-
2008
- 2008-06-05 CN CN2008101231154A patent/CN101303291B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101303291A (en) | 2008-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101303291B (en) | Multi-channel multi-target ultra-optical spectrum imaging method and system based on digital micro lens device | |
| US8174694B2 (en) | Hyperspectral imaging systems | |
| US11193824B2 (en) | Compact spectrometer devices, methods, and applications | |
| US9518867B2 (en) | Detecting device and method combining images with spectrums in ultra-wide waveband | |
| US4527055A (en) | Apparatus for selectively viewing either of two scenes of interest | |
| CN103471715B (en) | A kind of light path combined type light field spectrum imaging method and device altogether | |
| US20140085629A1 (en) | Active Hyperspectral Imaging Systems | |
| CN110132412B (en) | Dual-band spectral imaging system based on digital micromirror device and implementation method | |
| US9267843B2 (en) | Hyperspectral imaging systems and methods for imaging a remote object | |
| CN103091258B (en) | A kind of multi-spectral imager based on liquid zoom technology | |
| JP2010060548A (en) | Hyper-spectral scanning device and method for the same | |
| US8823932B2 (en) | Multi field of view hyperspectral imaging device and method for using same | |
| US8860942B1 (en) | Apparatus for multi-spectral imaging of point event detection | |
| CN105676305A (en) | Common-caliber multi-field-of-view atlas cooperative detection system, and method thereof | |
| CN1702452B (en) | Digital micromirror multi-target imaging spectrometer device | |
| CN110887564A (en) | Moving target spectrum monitoring device and monitoring method | |
| CN107580778A (en) | For the multi-wavelength divided beam system being imaged to remote object in two or more spectrum channels using single camera simultaneously | |
| CN114360364A (en) | Multispectral imaging module and portable display device | |
| CN112525345B (en) | Method for detecting similar targets by using DMD-based multi-target imaging spectrum system | |
| CN109946263B (en) | Spectrum-configurable visible and terahertz multispectral composite detection imaging device | |
| JP2005532537A (en) | Optical system with variable dispersion | |
| CN112484857B (en) | Spectral imaging system and method based on DMD | |
| CN209927715U (en) | Spectrum-configurable visible and terahertz multispectral composite detection imaging device | |
| CN103913234A (en) | Fourier transform infrared imaging spectrometer based on multistage micro-reflector | |
| US8054462B2 (en) | Quantum efficiency enhancement device for array detectors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20130605 |