CN108680254A - A kind of 360 degree of panorama hyperspectral imagers - Google Patents
A kind of 360 degree of panorama hyperspectral imagers Download PDFInfo
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- CN108680254A CN108680254A CN201810491794.4A CN201810491794A CN108680254A CN 108680254 A CN108680254 A CN 108680254A CN 201810491794 A CN201810491794 A CN 201810491794A CN 108680254 A CN108680254 A CN 108680254A
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- 238000009740 moulding (composite fabrication) Methods 0.000 abstract description 12
- 238000001228 spectrum Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 238000004458 analytical method Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
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- 238000000605 extraction Methods 0.000 description 1
- 238000001659 ion-beam spectroscopy Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2803—Investigating the spectrum using photoelectric array detector
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- General Physics & Mathematics (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Abstract
360 degree of panorama hyperspectral imagers provided by the invention, including panorama module, relay camera lens, servopackage, it is located at the annular gradual filter of servopackage, planar array detector, annular gradual filter carries out rotation under the drive of servopackage around optical axis, light beam from all directions enters relay lens head after the refraction of panorama module, planar array detector is imaged onto by the annular gradual filter of rotation again, to complete the EO-1 hyperion scanning of full-view visual field, pass through the rotation of annular gradual filter, camera lens can be made to realize 360 degree of panorama high light spectrum image-formings in the case of motionless.
Description
Technical field
The present invention relates to high light spectrum image-forming field, more particularly to a kind of 360 degree of panorama hyperspectral imagers.
Background technology
Extrawide angle lens imaging is a kind of novel optical system, can be by 360 degree of ranges by plane cylinder projection theory
Within the scope of interior Scenery Imaging to the panoramic picture of two dimensional surface.Extrawide angle lens in robot vision, endoscope and national defence,
The numerous areas such as aviation have a wide range of applications.
In actual life, due to the limitation of human eye, the space seen at any one viewpoint is all only isolated
Some space segment, only obtain an outdoor scene whole local messages and organically connect, can be formed to surrounding
The whole understanding in entire space, here it is the concepts of panorama.In simple terms, panorama sketch can express complete ambient enviroment letter
Breath is equivalent to people and turns around from a fixed viewpoint scene of seen surrounding.Panoramic imagery is using special
Imaging device obtain 360 degree of visual field in horizontal or vertical direction.Panoramic imaging techniques are provided about ring at the first time
The full spectrum information in border and object has won the time for subsequent image procossing and analysis.Obtain ultra-large vision field and from big visual field
Middle extraction target location and useful information are always the hot issue in vision research field, by using the machine of panoramic imaging techniques
Device vision is own through obtaining application in robot field.Panoramic vision is under water and land robot vision, pipe detection, medicine
The nondestructive detection field such as endoscope detecting has great significance, and has extensively in the fields such as aviation, national defence, civilian, medicine
General application prospect.
High light spectrum image-forming technology has in the fields such as territory and oceanographic survey, atmospheric research, environmental monitoring and military surveillance
It is widely used.On territory, data generally investigates field, and the Spectral Properties of diagnostics only can be just detected under high spectral resolution
Sign；In military field, high light spectrum image-forming can differentiate camouflaged target or decoy under complex background interference.Therefore, EO-1 hyperion at
As technology has high application value.
Both panoramic imagery and high light spectrum image-forming advantage are combined together, it will be with more wide application space, example
Such as：Applied to spaceborne Atmospheric Survey, realize that quick air faces side panorama high-spectral data collection；Applied to military surveillance, realize
360 degree are scouted without dead angle EO-1 hyperion, find target at the first time；Applied to aerospace detection, flight path surrounding Horizon can be absorbed simultaneously
Broad area between line.
Invention content
An embodiment of the present invention provides a kind of 360 degree of panorama hyperspectral imagers, realize 360 degree of panorama high light spectrum image-formings.
360 degree of panorama hyperspectral imagers provided by the invention, including panorama module, relaying camera lens, servopackage, be located at
Annular gradual filter, the planar array detector of the servopackage, band of the annular gradual filter in the servopackage
Dynamic lower around optical axis progress rotation, the light beam from all directions enters the relaying camera lens after panorama module refraction,
The planar array detector is imaged onto by the annular gradual filter of rotation again, the EO-1 hyperion to complete full-view visual field scans.
Optionally, each position of the annular gradual filter is gradual along the tangential direction of circle through spectral centroid wavelength
Variation.
Optionally, the acquisition sequential of the planar array detector and the rotary speed of the annular gradual filter match.
Optionally, the planar array detector is ccd sensor.
Optionally, each position of the annular gradual filter is gradual along the tangential direction of circle through spectral centroid wavelength
It increases or reduces.
Optionally, the imaging region of the planar array detector is rectangle, and the panorama module will surround system optical axis
The cylinder of 360 degree of ranges is projected to depending on face in an annular region of two dimensional surface formula, and the relaying camera lens is with amplification appropriate
Multiplying power filters the virtual image forming of panorama module to planar array detector to EO-1 hyperion by the annular gradual filter.
Optionally, the imaging region on the planar array detector is annulus and is divided into axial visual field and donut-like visual field.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
360 degree of panorama hyperspectral imagers provided by the invention, including panorama module, relaying camera lens, servopackage, be located at
Annular gradual filter, the planar array detector of servopackage, annular gradual filter surround optical axis under the drive of servopackage
Rotation is carried out, the light beam from all directions enters relay lens head after the refraction of panorama module, then the annular gradual change for passing through rotation
Optical filter is imaged onto planar array detector, and the EO-1 hyperion to complete full-view visual field scans, can by the rotation of annular gradual filter
So that camera lens realizes 360 degree of panorama high light spectrum image-formings in the case of motionless.
Description of the drawings
Fig. 1 is the structural schematic diagram of the 360 degree of panorama hyperspectral imagers provided in the embodiment of the present invention；
Fig. 2 is the schematic diagram of the imaging region of the 360 degree of panorama hyperspectral imagers provided in the embodiment of the present invention；
Fig. 3 is the spectrum of the annular gradual filter of the 360 degree of panorama hyperspectral imagers provided in the embodiment of the present invention
Change schematic diagram.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
Term " first ", " second ", " third " in description and claims of this specification and above-mentioned attached drawing, "
The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage
The data that solution uses in this way can be interchanged in the appropriate case, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those of clearly listing step or unit, but may include not listing clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
In conjunction with shown in Fig. 1,360 degree of panorama hyperspectral imagers provided by the invention, including panorama module 1, relaying camera lens
2, servopackage (not shown), be located at the annular gradual filter 3 and planar array detector 4 of servopackage, servopackage
Motor realization may be used, the annular gradual filter 3 carries out rotation around optical axis under the drive of the servopackage, comes
Enter the relaying camera lens 2 after the panorama module 1 refraction from the light beam of all directions, then is filtered by the annular gradual change of rotation
Mating plate 3 is imaged onto the planar array detector 4, the rotation speed of the acquisition sequential of planar array detector 4 and the annular gradual filter 3
Degree matches, and completes the EO-1 hyperion scanning of full-view visual field.
Panorama module 1 realizes that the panorama camera in the present embodiment uses the folding light of continuous rotation using panorama camera
The scanning camera of system, by rotate by around the cylinder of 360 degree ranges of optical axis regarding face, that is, all directions light beam projecting to two
In the annular region of dimensional plane formula, then by relay camera lens 2 with enlargement ratio appropriate the virtual image forming of panorama module 1 in face
On array detector 4.
It relays camera lens 2 and is also referred to as teleconverter, can will improve amplification factor, shorten the distance between device, accurate mould
Quasi- different distance, meets the requirement of various high pixels.
In the present embodiment, planar array detector 4 is ccd sensor, and infrared focal plane array, this field can also be used common
Technical staff can flexibly select, and not limit this.
As shown in Fig. 2, the imaging region of planar array detector 4 is rectangle, the panorama module 1 will surround system optical axis
The cylinder of 360 degree of ranges is projected to depending on face in an annular region of two dimensional surface formula, and the relaying camera lens 2 is with amplification appropriate
Multiplying power filters the virtual image forming of panorama module to planar array detector to EO-1 hyperion by the annular gradual filter 3.
As shown in Fig. 2, the imaging region on planar array detector 4 is annulus and is divided into axial visual field and donut-like visual field.
In conjunction with shown in Fig. 3, annular gradual filter 3 can filter to EO-1 hyperion, the spectrum of annular gradual filter 3
The techniques such as ion auxiliary law or ion beam sputtering may be used with the optical device of change in location in characteristic, by substrate table
Face is coated with the membrane system of multi-layered thickness variation and is formed, and does not limit specifically.
In conjunction with shown in Fig. 3,3 each position of annular gradual filter through spectral centroid wavelength along circle tangential direction by
Gradual change, such as λ1、λ2、λ3、……λn-1、λn、λn+1, specifically, the annular each position of gradual filter penetrates spectral centroid wave
Length is gradually increased or reduced along round tangential direction, and when being imaged, annular gradual filter 3 is under the drive of servopackage
Around optical axis carry out rotation, annular gradual filter 3 through spectrum centre wavelength with circle tangential direction gradually change, annular
The size of gradual filter can just cover detector image-forming region, since optical filter is annular, be easy to rotate control.
360 degree of panorama hyperspectral imagers provided by the invention, including panorama module, relaying camera lens, servopackage, be located at
Annular gradual filter, the planar array detector of servopackage, annular gradual filter surround optical axis under the drive of servopackage
Rotation is carried out, the light beam from all directions enters relay lens head after the refraction of panorama module, then the annular gradual change for passing through rotation
Optical filter is imaged onto planar array detector, and the EO-1 hyperion to complete full-view visual field scans, can by the rotation of annular gradual filter
So that camera lens realizes 360 degree of panorama high light spectrum image-formings in the case of motionless.
A kind of 360 degree of panorama hyperspectral imagers provided by the present invention are described in detail above, for ability
The those skilled in the art in domain, the thought of embodiment, has change in specific embodiments and applications according to the present invention
Place, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (7)
1. a kind of 360 degree of panorama hyperspectral imagers, which is characterized in that including panorama module, relaying camera lens, servopackage, set
In annular gradual filter, the planar array detector of the servopackage, the annular gradual filter is in the servopackage
The lower optical axis that surrounds is driven to carry out rotation, the light beam from all directions enters the relay lens after panorama module refraction
Head, then the planar array detector is imaged onto by the annular gradual filter of rotation, the EO-1 hyperion to complete full-view visual field scans.
2. 360 degree of panorama hyperspectral imagers according to claim 1, which is characterized in that the annular gradual filter
The tangential direction through spectral centroid wavelength along circle of each position gradually changes.
3. 360 degree of panorama hyperspectral imagers according to claim 1, which is characterized in that the planar array detector is adopted
Collection sequential and the rotary speed of the annular gradual filter match.
4. 360 degree of panorama hyperspectral imagers according to claim 1, which is characterized in that the planar array detector is CCD
Sensor.
5. 360 degree of panorama hyperspectral imagers according to claim 2, which is characterized in that the annular gradual filter
The tangential direction through spectral centroid wavelength along circle of each position gradually increases or reduces.
6. 360 degree of panorama hyperspectral imagers according to claim 2, which is characterized in that the planar array detector at
Picture region is rectangle, and the panorama module will project to two dimensional surface around the cylinder of 360 degree of ranges of system optical axis depending on face
In one annular region of formula, the relaying camera lens detects the virtual image forming of panorama module to face battle array with enlargement ratio appropriate
Device filters to EO-1 hyperion by the annular gradual filter.
7. 360 degree of panorama hyperspectral imagers according to claim 6, which is characterized in that on the planar array detector
Imaging region be annulus and to be divided into axial visual field and donut-like visual field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810491794.4A CN108680254B (en) | 2018-05-22 | 2018-05-22 | 360-degree panoramic hyperspectral imager |
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| CN201810491794.4A CN108680254B (en) | 2018-05-22 | 2018-05-22 | 360-degree panoramic hyperspectral imager |
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| CN108680254B CN108680254B (en) | 2020-07-21 |
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|---|---|---|---|---|
| US5686722A (en) * | 1996-02-28 | 1997-11-11 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Selective wavelength identification friend or foe (SWIFF) |
| CN101487703A (en) * | 2009-02-13 | 2009-07-22 | 浙江工业大学 | Fast full-view stereo photography measuring apparatus |
| CN103309019A (en) * | 2013-06-24 | 2013-09-18 | 中国科学院长春光学精密机械与物理研究所 | Optical system of ultraviolet multi-band panoramic imaging instrument |
| CN106017676A (en) * | 2016-05-16 | 2016-10-12 | 中国电子科技集团公司第四十研究所 | Infrared imaging spectral measurement system based on gradual filter |
| CN106769884A (en) * | 2016-12-30 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | Nadir is total to light path integrated optical system with side is faced |
-
2018
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|---|---|---|---|---|
| US5686722A (en) * | 1996-02-28 | 1997-11-11 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Selective wavelength identification friend or foe (SWIFF) |
| CN101487703A (en) * | 2009-02-13 | 2009-07-22 | 浙江工业大学 | Fast full-view stereo photography measuring apparatus |
| CN103309019A (en) * | 2013-06-24 | 2013-09-18 | 中国科学院长春光学精密机械与物理研究所 | Optical system of ultraviolet multi-band panoramic imaging instrument |
| CN106017676A (en) * | 2016-05-16 | 2016-10-12 | 中国电子科技集团公司第四十研究所 | Infrared imaging spectral measurement system based on gradual filter |
| CN106769884A (en) * | 2016-12-30 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | Nadir is total to light path integrated optical system with side is faced |
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