CN205539913U - High spectrum camera of video - Google Patents
High spectrum camera of video Download PDFInfo
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- CN205539913U CN205539913U CN201620246785.5U CN201620246785U CN205539913U CN 205539913 U CN205539913 U CN 205539913U CN 201620246785 U CN201620246785 U CN 201620246785U CN 205539913 U CN205539913 U CN 205539913U
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- telephotolens
- video
- beam splitter
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Abstract
The utility model provides a high spectrum camera of video, including telephotolens, beam splitter, mask, assembling eyepiece, beam splitting Prism, grey level camera, reflector, colored camera, guide rail, motor module and wireless communication module, above -mentioned component all is fixed in on the PMKD. Wherein, telephotolens, beam splitter, mask, assembling eyepiece, beam splitting Prism and grey level camera and arranging along the optical axis in proper order, the reflector gets into colored camera with the light beam of the same kind reflection that the beam splitter jetted out, on the telephotolens was fixed in the slider of guide rail, the position of slider was adjusted by the motor module, wireless communication module is connected to grey level camera and colored camera respectively. The utility model discloses a camera has advantages such as small, light in weight, convenient operation, is equipped with wireless communication module simultaneously, can carry on at unmanned aerial vehicle, vehicle, steamer or artifical portable, has greatly extended the application scope of spectrum camera.
Description
Technical field
The present invention relates to a kind of video EO-1 hyperion camera, belong to imaging device technical field.
Background technology
Spectrum be polychromatic light after dispersion system (such as prism, grating) light splitting, the monochromatic light opened by dispersion by
The pattern being arranged in order according to wavelength size, full name is optical spectrum.A part in spectrum is that human eye is visible,
Electromagnetic radiation in this wave-length coverage is referred to as visible ray.Light wave is that the electronics moved by atomic interior produces
's.The motion conditions of the atomic interior electronics of various materials is different, so the light wave that they launch is the most different.Mesh
Before the spectral line of atomic emissions that observes reached million, every kind of atom has the spectrum of its uniqueness, just as people
Fingerprint the most different.Therefore, by transmitting and the absorption spectrum of detection different material, can reveal that mesh
Target essence physical attribute, breaks through complex environment, illumination variation and the interference of camouflage material, effectively promotes mesh
The accuracy of mark detection.
Traditional spectrum camera can obtain more more colouring information than color camera (tri-passages of RGB), because of
This can be widely used in the numerous areas such as military affairs, medical treatment, safety, scientific observation.But conventional spectrometers is most
Sacrifice temporal information or spatial information exchanges spectral information for, use sequential exposure or the plan of spacescan
Slightly, it is impossible to obtain EO-1 hyperion change on time dimension, it is only used for observing static sample, and owing to adopting
With special optical element or customization accurate scan machinery, often volume is big, it is complicated, expensive to operate.
Summary of the invention
The technical problems to be solved in the utility model is: hyper-spectral data gathering based on prism ROM mask programmable read-only memory is theoretical, develops
Go out a video EO-1 hyperion camera, it is possible to gather the visual spectrum information of high spatial resolution.
The technical solution adopted in the utility model is:
A kind of video EO-1 hyperion camera, including telephotolens, beam splitter, mask, convergence eyepiece, Amici prism,
Gray scale camera, illuminator, color camera, guide rail, motor module and wireless communication module, said elements is the most solid
On fixing base plate；Wherein, telephotolens, beam splitter, mask, convergence eyepiece, Amici prism and gray scale
Camera arranges along optical axis successively, and the road light beam that beam splitter is penetrated by illuminator is reflected into color camera；Described
Telephotolens is fixed on the slide block of guide rail, and the position of slide block is regulated by motor module；Described wireless communication module
It is connected respectively to gray scale camera and color camera.
Described motor module includes motor, motor driver and portable power source.
The stroke of described slide block meets: telephotolens is 150mm-176mm with the distance range of mask.
Described wireless communication module is WIFI.
Camera of the present utility model can gather the video (18fps) of high spatial resolution (2016*2016 pixel)
Spectrum (scope 400-700nm, resolution 5nm) information, has volume little, lightweight, easy to operate etc.
Advantage, is equipped with wireless communication module simultaneously, can be mounted in unmanned plane, vehicle, steamer or the most portable, pole
The earth has expanded the scope of application of spectrum camera.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model high speed EO-1 hyperion network cameras.
Detailed description of the invention
This utility model specifically includes that telephotolens 1, beam splitter 2, mask 3, assembles eyepiece 4, light splitting rib
Mirror 5, gray scale camera 6, illuminator 7, color camera 8, guide rail 9, fixing base plate 10, motor module 11,
Wireless communication module 12.Wherein, motor module 11 includes motor, motor driver and portable power source.
Telephotolens is fixed on the slide block of guide rail 9, and the position of slide block is regulated by motor module 11.Scene focusing
From for 1m to infinite point, therefore the stroke of slide block meets: telephotolens 1 with the distance range of mask 3 is
150mm-176mm.Said elements is each attached on fixing base plate 10.According to different photographing requests, Ke Yixuan
Select the telephotolens 1 of different focal.
During actual photographed, the light that outer scene or object send, first pass through telephotolens 1 and enter
Enter camera internal, then pass through beam splitter 2 and be divided into gray scale light path and two parts of coloured light path.Enter gray scale
The light of light path, through mask 3 down-sampling, becomes directional light by assembling eyepiece 4, is then passed through light splitting rib
Mirror 5 dispersion, is finally gathered by gray scale camera 6, forms the greyscale video comprising hyperspectral information；Enter colour
The light of light path, is reflected by illuminator 7, is finally gathered by color camera 8, forms high spatial resolution
Color video.Two-path video, is real-time transmitted to upper computer software by wireless communication module 12, and host computer is soft
Part is arranged in PC end or mobile device, carries out equipment operation and data process.Upper computer end merges two-way
Video obtain high spatial resolution (2016*2016 pixel) video (18fps) spectrum (scope 400-700nm,
Resolution 5nm) information.
During actual photographed, camera and host computer are by wireless communication module 12 real-time Communication for Power, Yong Huneng
Enough in upper computer end, the RGB image of real time inspection scene is experienced to obtain intuitive visual, control motor rotate with
Realize camera focusing, regulate the parameters such as the time of exposure of camera, frame per second, gain to obtain optimal image quality.
Embodiment:
The Component selection of the present embodiment is as follows:
Telephotolens 1 uses Thorlab company of U.S. AC508-150-A-ML convex lens, focal length 150mm,
Diameter 50.8mm.Beam splitter 2 uses Shanghai Ke Ming instrument company 20BC17MB.1 solid beam splitter, point
Light is than 8:2, size 50.8*50.8*50.8mm.The aperture size of mask 3 is 0.15*0.025mm, it is ensured that
Sufficiently large logical light quantity (guarantee high s/n ratio) is fuzzy with less spectrum, and (logical light quantity just becomes with aperture size
Ratio, spectrum fog-level and aperture size are inversely proportional to).Aperture spacing is 0.9mm, it is ensured that less light
(spacing too small meeting in aperture causes Spectra aliasing, spectrum sample rate and aperture for spectrum aliasing and bigger space sampling frequency
Spacing is inversely proportional to).Assemble eyepiece 4 and use the convex lens of Thorlab company AC508-100-A-ML, burnt
Away from 100mm, diameter 50.8mm.It is double that Amici prism 5 uses Germany 3BScientific company U14050
Amici Prism, is made up of three triangular prisms, first prism with the flint glass manufacture of high dispersive power, second
Individual and the 3rd prism is with the crown glass manufacture of low dispersive power.Light is first refracted when entering first prism,
Subsequently into second and the 3rd prism, finally to be approximately perpendicular to the direction injection of the 3rd prism surface.
Double Amici Prism is used to carry out dispersion light splitting, it is possible to dispersion light under conditions of not changing radiation direction, and
Reduce image deformation simultaneously.Gray scale camera 6 uses Canada Pointgrey company GS3-U3-41S4M-C,
Spatial resolution 2016*2016 pixel, the highest frame per second 18fps, have relatively in 400-700nm wave-length coverage
High spectral response, it is possible to ensure to obtain in real time high-resolution greyscale video.Camera lens uses Japan
Myutron company HF5018V industrial lens, focal length 50mm.Using this camera lens, camera light spectral resolution is the highest
Can reach 3nm, image deformation is less than 0.01% simultaneously.
Illuminator 7 uses Thorlab company PFSQ20-03-G01 plane mirror, size
50.8mm*50.8mm, bracing frame is Thorlab company KM200S.Color camera 8 is Canada Pointgrey
Company GS3-U3-41S4C-C, spatial resolution 2016*2016 pixel, the highest frame per second 18fps, it is possible to ensure
Obtain high-resolution color video in real time.Guide rail 9 uses Japan THK company KR2602A-0110-0-00A0,
Stroke 21cm；Fixing base plate 10 is the duralumin material of a size of 760mm*180mm*25mm.Motor module 11
Including motor, motor driver and portable power source, motor uses AM17HDB410-01N servomotor, motor
Driver uses SR2-P, supporting 24V DC source, and DC source powers to wireless module 12 simultaneously.Nothing
Wire module 12 uses firefly-Rk3288 high-performance Open Source Platform, has four ARM Cortex-A17 cores
The heart, highest frequency, up to 1.8Ghz, uses integrated two-in-one WIFI module (AP6335), supports
2.4GHz/5GHz double frequency, supports 802.11a/b/g/n/ac agreement.
Gray scale camera light path: mask 3 is 52mm with the distance of beam splitter 2 rear surface, assembles eyepiece 4 and covers
The distance of film 3 is 100mm, and Amici prism 5 is 10mm with the distance of convergence eyepiece 4 rear surface, gray scale camera
Amici prism 5 rear surface is close to by 6 camera lenses.
Color camera light path: assume that color camera is X with the distance at illuminator center, illuminator center and beam splitting
The distance of prism centers is Y, and beam splitter prism center is Z with the distance of mask, and color camera lens minimum is focused
Distance D.Formula X+Y=Z+D is met between above-mentioned parameter.In such a system, X=165mm, Y=104mm,
Z=77mm, D=192mm.Wherein, the principle that X and Y is based on system bulk minimum is chosen, and D is consolidating of camera lens
Having parameter, Z is to calculate gained according to three above value.
Said elements is fixed on the base plate 10 of duralumin material.Before actual photographed, can be according to different
Photographing request, selects the telephotolens 1 of different focal.
Claims (4)
1. a video EO-1 hyperion camera, it is characterised in that include telephotolens, beam splitter, mask, meeting
Poly-eyepiece, Amici prism, gray scale camera, illuminator, color camera, guide rail, motor module and radio communication
Module, said elements is both secured on fixing base plate；Wherein, telephotolens, beam splitter, mask, convergence mesh
Mirror, Amici prism and gray scale camera arrange along optical axis successively, the road light beam reflection that beam splitter is penetrated by illuminator
Enter color camera；Described telephotolens is fixed on the slide block of guide rail, and the position of slide block is regulated by motor module；
Described wireless communication module is connected respectively to gray scale camera and color camera.
A kind of video EO-1 hyperion camera the most according to claim 1, it is characterised in that described motor mould
Block includes motor, motor driver and portable power source.
A kind of video EO-1 hyperion camera the most according to claim 1, it is characterised in that described slide block
Stroke meets: telephotolens is 150mm-176mm with the distance range of mask.
4. according to a kind of video EO-1 hyperion camera described in claim 1,2 or 3, it is characterised in that described
Wireless communication module is WIFI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620246785.5U CN205539913U (en) | 2016-03-28 | 2016-03-28 | High spectrum camera of video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620246785.5U CN205539913U (en) | 2016-03-28 | 2016-03-28 | High spectrum camera of video |
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| Publication Number | Publication Date |
|---|---|
| CN205539913U true CN205539913U (en) | 2016-08-31 |
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ID=56785510
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| CN201620246785.5U Active CN205539913U (en) | 2016-03-28 | 2016-03-28 | High spectrum camera of video |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655571A (en) * | 2017-09-19 | 2018-02-02 | 南京大学 | A kind of spectrum imaging system obscured based on dispersion and its spectrum reconstruction method |
| CN108332853A (en) * | 2018-01-12 | 2018-07-27 | 四川双利合谱科技有限公司 | A kind of vehicle-mounted 360 degree of panorama target identification systems based on spectrum |
| CN116448246A (en) * | 2023-02-22 | 2023-07-18 | 苏州大学 | Hyperspectral video imaging system |
-
2016
- 2016-03-28 CN CN201620246785.5U patent/CN205539913U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655571A (en) * | 2017-09-19 | 2018-02-02 | 南京大学 | A kind of spectrum imaging system obscured based on dispersion and its spectrum reconstruction method |
| CN107655571B (en) * | 2017-09-19 | 2019-11-15 | 南京大学 | A kind of spectrum imaging system and its spectrum reconstruction method fuzzy based on dispersion |
| CN108332853A (en) * | 2018-01-12 | 2018-07-27 | 四川双利合谱科技有限公司 | A kind of vehicle-mounted 360 degree of panorama target identification systems based on spectrum |
| CN116448246A (en) * | 2023-02-22 | 2023-07-18 | 苏州大学 | Hyperspectral video imaging system |
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