CN110174171B - Intelligent hyperspectral unmixing device and method - Google Patents
Intelligent hyperspectral unmixing device and method Download PDFInfo
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- CN110174171B CN110174171B CN201910502166.6A CN201910502166A CN110174171B CN 110174171 B CN110174171 B CN 110174171B CN 201910502166 A CN201910502166 A CN 201910502166A CN 110174171 B CN110174171 B CN 110174171B
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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
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Abstract
The invention relates to an intelligent hyperspectral unmixing device and method, and belongs to the technical field of hyperspectral unmixing equipment. The device comprises an electric appliance box, an operation button, an operation panel, an exhaust funnel, a display screen, a noise reduction assembly, a spectral imaging assembly, an air inlet funnel, an exhaust fan, an exhaust pipe, a quantizer and a box body, wherein the periphery of the installation panel is provided with a closed expansion plate, so that the interference of external light is reduced when data are acquired, the accuracy of data acquisition is improved, the noise reduction assembly is used for filtering redundant waves of signals through a low-pass filter, removing real-time additive noise, filtering and quantizing, the quality of high-spectrum images is improved, the sparse and unmixing extraction precision is improved, the external air is blown in from the bottom side of the electric appliance box through the matching of the air inlet funnel and the exhaust fan, hot air is output from the top of the electric appliance box, and according to the naturally rising distance of hot air, the hot air cannot be retained around the electric appliance box in a large amount, and the formation of, the heat dissipation effect is improved.
Description
Technical Field
The invention belongs to the technical field of hyperspectral unmixing equipment, and relates to an intelligent hyperspectral unmixing device and method.
Background
Because the type variety of actual measurement object, ground thing real-time variation and ground thing spectrum scattering scheduling problem exist along with time, the high spectrum sensor is the inevitable condition that has mixed pixel in the sampling process, current high spectrum unmixing device is when carrying out data acquisition, can not keep apart external light, external light can lead to the fact the interference to the data acquisition result, current high spectrum unmixing device does not have the processing apparatus that makes an uproar to the data, can make high spectrum image quality lower, influence high spectrum unmixing result, when high spectrum unmixing device is carrying out the during operation, can produce a large amount of heats, ordinary heat dissipation is just dispelled the heat using single fan, the hot-air accumulates outside the device easily, form the heat island environment, the radiating effect is not good.
Disclosure of Invention
In view of the above, the present invention provides an intelligent hyperspectral unmixing device and method.
In order to achieve the purpose, the invention provides the following technical scheme:
an intelligent hyperspectral unmixing device comprises an electric appliance box (1), an operation button (2), an operation panel (3), an exhaust funnel (4), a display screen (5), a noise reduction assembly (6), a spectral imaging assembly (7), an air inlet funnel (8), an exhaust fan (9), an exhaust pipe (10), an electronic component board (11), a clamping groove frame (12), an air inlet pipe (13), a grid (14), a filter screen (15) and an air inlet fan (16);
the improved air exhaust device is characterized in that the slot frames (12) are fixed on two corresponding sides of the inner wall of the electric appliance box (1) through welding, the electronic element plate (11) is installed between the two slot frames (12), the operation panel (3) is installed on the top side of the electric appliance box (1), the operation button (2) is installed at the bottom of the front side of the operation panel (3), the display screen (5) is used for installing the front side of the operation panel (3), the exhaust funnel (4) is vertically installed on the top side of the electric appliance box (1), the exhaust pipes (10) are arranged on the top side of the inner wall of the electric appliance box (1), one end of each exhaust pipe (10) is connected with the port of the bottom end of each exhaust funnel (4) through welding, the exhaust fan (9) is installed in the exhaust funnel (4), the air inlet pipe (13) is arranged on the bottom side of the inner wall of the electric appliance box (1), and the air inlet funnel (8, the grid grating (14) is fixed at one end port of the air inlet cylinder (8) through welding, the air inlet fan (16) is installed inside the air inlet cylinder (8), the filter screen (15) is arranged between the air inlet fan (16) and the grid grating (14), and the spectral imaging assembly (7) is installed on the top side of the electrical appliance box (1);
the spectral imaging assembly (7) comprises a fixed frame (71), a closed telescopic plate (72), a fixed buckle (73), an array returning camera (74), a spectrometer (75), a halogen tube (76), a support angle frame (77), a filter mirror (78), an installation panel (79) and a bearing plate (710), wherein the bearing plate (710) is arranged on the top side of the electric appliance box (1), the fixed frame (71) is fixed on the top side of the bearing plate (710) through welding, the array returning camera (74) is arranged on the top side of the fixed frame (71), the spectrometer (75) is arranged at the center of the bottom side of the fixed frame (71), the support angle frame (77) is vertically arranged between a transverse plate of the fixed frame (71) and the bearing plate (710), the transverse section of the support angle frame (77) is of a right-angle structure, plate grooves are correspondingly formed in two sides of the support angle frame (77), two sides of the closed telescopic plate (72) are clamped in the plate grooves of the support angle frame (77), the fixing buckle (73) is arranged at the bottom side of the closed expansion plate (72), the halogen tube (76) is arranged at the bottom side of the closed expansion plate (72) and is positioned at two sides of the spectrometer (75), the mounting panel (79) is arranged at the top side of the bearing plate (710), the filter mirror (78) is arranged right above the mounting panel (79), and the noise reduction assembly (6) is arranged at the top side of the electrical box (1) and is positioned at one side of the spectral imaging assembly (7);
the noise reduction assembly (6) comprises an information receiver (61), a pseudo-random sequence generator (62), a low-pass filter (63), a signal converter (64), a quantizer (65) and a box body (66), wherein the information receiver (61) is installed on the top side of the inner wall of the box body (66), the pseudo-random sequence generator (62) is installed on one side of the inner wall of the box body (66), the low-pass filter (63) is installed on the bottom side of the inner wall of the box body (66), and the signal converter (64) and the quantizer (65) are installed on the other side of the inner wall of the box body (66) in parallel.
Furthermore, air holes are formed in the bottom side of the exhaust pipe (10) and the top side of the air inlet pipe (13), and through holes are correspondingly formed in the electronic element board (11).
Further, the information receiver (61), the pseudo random sequence generator (62), the low pass filter (63), the signal converter (64) and the quantizer (65) are respectively connected through signals.
Further, the back-array camera (74) is in signal connection with the spectrometer (75).
Further, the filter mirror (78) and the mounting panel (79) are vertically mounted directly below the spectrometer (75).
Furthermore, four groups of sealed expansion plates (72) are arranged around the spectrometer (75) in a rectangular shape.
An intelligent hyperspectral unmixing method comprises the following steps:
step one, installing a sample;
reading data;
step three, filtering and denoising;
step four, calculating and analyzing;
in the first step, after the filter mirror (78) and the mounting panel (79) are wiped clean, placing a sample on the top of the mounting panel (79);
in the second step, reading data: the data is derived from a remote sensing image acquired by an imaging spectrometer (75) to obtain a data cube, the hyperspectral image data is subjected to filtering by a filter mirror (78) to remove a band absorbed by water vapor and a band with lower signal-to-noise ratio, the hyperspectral image data is transmitted to a back array camera (74), and the data is arranged pixel by pixel to obtain an original hyperspectral image matrix;
in the third step, image information is received by an information receiver (61), then processed by a pseudo-random sequence generator (62), then an information signal is filtered by a low-pass filter (63), an interfered signal wave is processed, the processed signal is transmitted to a quantizer (65) for quantization, the quantized signal is converted by a signal converter (64), and an input signal is converted into an image signal by the signal converter (64);
in the fourth step, image signals are transmitted to the operation panel (3), hyperspectral images are imaged through the operation buttons (2) on the operation panel (3), received data are imaged on the display screen (5), data analysis and calculation are carried out, a target function is established, and a nonnegative matrix decomposition algorithm is applied to perform hyperspectral image unmixing.
According to the technical scheme, air holes are formed in the bottom side of the exhaust pipe and the top side of the air inlet pipe, and through holes are correspondingly formed in the electronic element board.
According to the technical scheme, the information receiver, the pseudo-random sequence generator, the low-pass filter, the signal converter and the quantizer are respectively connected through signals.
According to the technical scheme, the back array camera is in signal connection with the spectrometer.
According to the technical scheme, the filter and the mounting panel are vertically arranged right below the spectrometer.
According to the technical scheme, four groups of closed telescopic plates are arranged around the spectrometer in a rectangular shape.
The invention has the beneficial effects that: according to the invention, the enclosed expansion plates are arranged around the installation panel, so that the interference of external light can be reduced and the accuracy of data acquisition can be improved when the data is acquired, the noise reduction assembly is used for filtering redundant waves of signals at the low-pass filter, removing real-time additive noise, filtering and quantifying, the quality of hyperspectral images can be improved, the sparse unmixing extraction precision can be improved, the external air is blown in from the bottom side of the electrical box through the matching of the air inlet fan and the air exhaust fan, hot air is output from the top of the electrical box, and according to the naturally rising distance of the hot air, the hot air can not be greatly retained around the electrical box, the formation of a heat island environment can be avoided, and the heat dissipation effect can be greatly improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall sectional structural view of the present invention;
FIG. 3 is a schematic structural diagram of a spectral imaging assembly according to the present invention;
FIG. 4 is a schematic view of the sealing structure of the present invention;
FIG. 5 is a schematic structural view of a noise reduction assembly of the present invention;
FIG. 6 is a process flow diagram of the present invention.
Reference numerals: 1. an electrical box; 2. an operation button; 3. an operation panel; 4. an exhaust funnel; 5. a display screen; 6. a noise reduction assembly; 7. a spectral imaging assembly; 8. an air inlet cylinder; 9. an exhaust fan; 10. an exhaust pipe; 11. an electronic component board; 12. a slot clamping frame; 13. an air inlet pipe; 14. a grid; 15. a filter screen; 16. an air inlet fan; 71. a fixed mount; 72. sealing the expansion plate; 73. A fixing buckle; 74. a back-shooting camera; 75. a spectrometer; 76. a halogen tube; 77. a support angle bracket; 78. a filter mirror; 79. installing a panel; 710. a bearing plate; 61. an information receiver; 62. a pseudo-random sequence generator; 63. a low-pass filter; 64. a signal converter; 65. a quantizer; 66. and (4) a box body.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1-6, the present invention provides a technical solution: an intelligent hyperspectral unmixing device comprises an electrical box 1, an operation button 2, an operation panel 3, an exhaust funnel 4, a display screen 5, a noise reduction assembly 6, a spectral imaging assembly 7, an air inlet funnel 8, an exhaust fan 9, an exhaust pipe 10, an electronic component board 11, a clamping groove frame 12, an air inlet pipe 13, a grid 14, a filter screen 15 and an air inlet fan 16;
the clamping groove frames 12 are fixed on two corresponding sides of the inner wall of the electric appliance box 1 by welding, the electronic element board 11 is installed between the two clamping groove frames 12, the operation panel 3 is installed on the top side of the electric appliance box 1, the operation button 2 is installed on the bottom of the front side of the operation panel 3, the display screen 5 is installed on the front side of the operation panel 3, the exhaust funnel 4 is vertically installed on the top side of the electric appliance box 1, the exhaust pipe 10 is arranged on the top side of the inner wall of the electric appliance box 1, one end of the exhaust pipe 10 is connected with the bottom port of the exhaust funnel 4 by welding, the exhaust fan 9 is installed in the exhaust funnel 4, the air inlet pipe 13 is arranged on the bottom side of the inner wall of the electric appliance box 1, the air inlet funnel 8 is installed on one side of the electric appliance box 1 in an embedded manner, the grid 14 is fixed on one end of the, air holes are formed in the bottom side of the exhaust pipe 10 and the top side of the air inlet pipe 13, through holes are correspondingly formed in the electronic element board 11, and the spectral imaging assembly 7 is installed on the top side of the electrical box 1;
the spectral imaging component 7 comprises a fixed frame 71, a closed telescopic plate 72, a fixing buckle 73, an array camera 74, a spectrometer 75, a halogen tube 76, a support angle frame 77, a filter lens 78, an installation panel 79 and a bearing plate 710, wherein the bearing plate 710 is arranged on the top side of the electric appliance box 1, the fixed frame 71 is fixed on the top side of the bearing plate 710 through welding, the array camera 74 is arranged on the top side of the fixed frame 71, the spectrometer 75 is arranged at the center of the bottom side of the fixed frame 71, the support angle frame 77 is vertically arranged between a transverse plate of the fixed frame 71 and the bearing plate 710, the transverse section of the support angle frame 77 is of a right-angle structure, plate grooves are correspondingly arranged on two sides of the support angle frame 77, two sides of the closed telescopic plate 72 are clamped in the plate grooves of the support angle frame 77, the fixing buckle 73 is arranged on the bottom side of the closed telescopic plate 72, the halogen, the mounting panel 79 is arranged on the top side of the bearing plate 710, the filter mirror 78 is arranged right above the mounting panel 79, the filter mirror 78 and the mounting panel 79 are vertically arranged right below the spectrometer 75, the noise reduction assembly 6 is arranged on the top side of the electrical box 1 and located on one side of the spectral imaging assembly 7, the back-array camera 74 is in signal connection with the spectrometer 75, and four groups of closed telescopic plates 72 are arranged around the spectrometer 75 in a rectangular shape;
the noise reduction assembly 6 comprises an information receiver 61, a pseudo-random sequence generator 62, a low-pass filter 63, a signal converter 64, a quantizer 65 and a box 66, wherein the information receiver 61 is installed on the top side of the inner wall of the box 66, the pseudo-random sequence generator 62 is installed on one side of the inner wall of the box 66, the low-pass filter 63 is installed on the bottom side of the inner wall of the box 66, the signal converter 64 and the quantizer 65 are installed on the other side of the inner wall of the box 66 in parallel, and the information receiver 61, the pseudo-random sequence generator 62, the low-pass filter 63, the signal converter 64 and the quantizer 65 are respectively connected through.
An intelligent hyperspectral unmixing method comprises the following steps: step one, installing a sample; reading data; step three, filtering and denoising; step four, calculating and analyzing;
in step one, after the filter mirror 78 and the mounting panel 79 are wiped clean, the sample is placed on top of the mounting panel 79;
in step two, reading data: the data is derived from a remote sensing image acquired by an imaging spectrometer 75 to obtain a data cube, the hyperspectral image data is filtered by a filter 78 to remove a wave band absorbed by water vapor and a wave band with lower signal to noise ratio, the hyperspectral image data is transmitted to a back array camera 74, and the data is arranged pixel by pixel to obtain an original hyperspectral image matrix;
in the third step, the image information is received by the information receiver 61, then processed by the pseudo random sequence generator 62, then the information signal is filtered by the low pass filter 63, the interfered signal wave is processed, the processed signal is transmitted to the quantizer 65 for quantization, the quantized signal is converted by the signal converter 64, and the input signal is converted into the image signal by the signal converter 64;
in the fourth step, image signals are transmitted to the operation panel 3, after hyperspectral imaging is carried out through the operation buttons 2 on the operation panel 3, received data are imaged on the display screen 5, data analysis and calculation are carried out, an objective function is established, and a nonnegative matrix decomposition algorithm is applied to carry out hyperspectral image unmixing.
When data is collected, a sample is placed on the installation panel 79, then the sealed expansion plate 72 is pulled, the sealed expansion plate 72 slides downwards along a plate groove in the supporting angle frame 77, the sealed expansion plate 72 slides downwards around the periphery to realize the full sealing of the sample, the full sealing of the sample can better reduce the influence of external light on the collection of sample data, the data is from a remote sensing image collected by the imaging spectrometer 75 to obtain a data cube, the hyperspectral image data is filtered by the filter mirror 78 to remove a wave band absorbed by water vapor and a wave band with lower signal-to-noise ratio, the hyperspectral image data is transmitted to the array camera 74, the data is arranged by pixel points to obtain an original hyperspectral image matrix, the image information is received by the information receiver 61 and then processed by the pseudorandom sequence generator 62, then the information signal is filtered by the low pass filter 63, processing the interfered signal waves, conveying the processed signals to a quantizer 65 for quantization, imaging the quantized signals on a display screen 5 by converting the input signals through a signal converter 64 to image signals, transmitting the image signals to an operation panel 3, imaging hyperspectral images through operation buttons 2 on the operation panel 3, analyzing and calculating the received data on the display screen 5, establishing an objective function, applying a non-negative matrix decomposition algorithm to perform hyperspectral image unmixing, generating a large amount of heat by internal electric elements when the unmixing device works, operating an air inlet fan 16, introducing air from an air inlet cylinder 8, discharging the air through an air inlet pipe 13, blowing air to an electronic element board 11, leading out the hot air of an electric box 1 through an exhaust pipe 10 under the cooperation of an exhaust fan 9, the air is exhausted through the exhaust funnel 4, so that air circulation is realized, and the heat dissipation of the electric appliance box 1 is quickly realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides an intelligent high spectrum unmixes device which characterized in that: the device comprises an electrical appliance box (1), an operation button (2), an operation panel (3), an exhaust funnel (4), a display screen (5), a noise reduction assembly (6), a spectral imaging assembly (7), an air inlet funnel (8), an exhaust fan (9), an exhaust pipe (10), an electronic element board (11), a clamping groove frame (12), an air inlet pipe (13), a grid (14), a filter screen (15) and an air inlet fan (16);
the improved air exhaust device is characterized in that the slot frames (12) are fixed on two corresponding sides of the inner wall of the electric appliance box (1) through welding, the electronic element plate (11) is installed between the two slot frames (12), the operation panel (3) is installed on the top side of the electric appliance box (1), the operation button (2) is installed at the bottom of the front side of the operation panel (3), the display screen (5) is used for installing the front side of the operation panel (3), the exhaust funnel (4) is vertically installed on the top side of the electric appliance box (1), the exhaust pipes (10) are arranged on the top side of the inner wall of the electric appliance box (1), one end of each exhaust pipe (10) is connected with the port of the bottom end of each exhaust funnel (4) through welding, the exhaust fan (9) is installed in the exhaust funnel (4), the air inlet pipe (13) is arranged on the bottom side of the inner wall of the electric appliance box (1), and the air inlet funnel (8, the grid grating (14) is fixed at one end port of the air inlet cylinder (8) through welding, the air inlet fan (16) is installed inside the air inlet cylinder (8), the filter screen (15) is arranged between the air inlet fan (16) and the grid grating (14), and the spectral imaging assembly (7) is installed on the top side of the electrical appliance box (1);
the spectral imaging assembly (7) comprises a fixed frame (71), a closed telescopic plate (72), a fixed buckle (73), an array returning camera (74), a spectrometer (75), a halogen tube (76), a support angle frame (77), a filter mirror (78), an installation panel (79) and a bearing plate (710), wherein the bearing plate (710) is arranged on the top side of the electric appliance box (1), the fixed frame (71) is fixed on the top side of the bearing plate (710) through welding, the array returning camera (74) is arranged on the top side of the fixed frame (71), the spectrometer (75) is arranged at the center of the bottom side of the fixed frame (71), the support angle frame (77) is vertically arranged between a transverse plate of the fixed frame (71) and the bearing plate (710), the transverse section of the support angle frame (77) is of a right-angle structure, plate grooves are correspondingly formed in two sides of the support angle frame (77), two sides of the closed telescopic plate (72) are clamped in the plate grooves of the support angle frame (77), the fixing buckle (73) is arranged at the bottom side of the closed expansion plate (72), the halogen tube (76) is arranged at the bottom side of the closed expansion plate (72) and is positioned at two sides of the spectrometer (75), the mounting panel (79) is arranged at the top side of the bearing plate (710), the filter mirror (78) is arranged right above the mounting panel (79), and the noise reduction assembly (6) is arranged at the top side of the electrical box (1) and is positioned at one side of the spectral imaging assembly (7);
the noise reduction assembly (6) comprises an information receiver (61), a pseudo-random sequence generator (62), a low-pass filter (63), a signal converter (64), a quantizer (65) and a box body (66), wherein the information receiver (61) is installed on the top side of the inner wall of the box body (66), the pseudo-random sequence generator (62) is installed on one side of the inner wall of the box body (66), the low-pass filter (63) is installed on the bottom side of the inner wall of the box body (66), and the signal converter (64) and the quantizer (65) are installed on the other side of the inner wall of the box body (66) in parallel.
2. The intelligent hyperspectral unmixing device according to claim 1, wherein: air holes are formed in the bottom side of the exhaust pipe (10) and the top side of the air inlet pipe (13), and through holes are correspondingly formed in the electronic element board (11).
3. The intelligent hyperspectral unmixing device according to claim 1, wherein: the information receiver (61), the pseudo-random sequence generator (62), the low-pass filter (63), the signal converter (64) and the quantizer (65) are respectively connected through signals.
4. The intelligent hyperspectral unmixing device according to claim 1, wherein: the back array camera (74) is in signal connection with the spectrometer (75).
5. The intelligent hyperspectral unmixing device according to claim 1, wherein: the filter mirror (78) and the mounting panel (79) are vertically mounted directly below the spectrometer (75).
6. The intelligent hyperspectral unmixing device according to claim 1, wherein: four groups of sealed telescopic plates (72) are arranged around the spectrometer (75) in a rectangular shape.
7. An intelligent hyperspectral unmixing method based on the device of any one of claims 1-6 is characterized in that: the method comprises the following steps:
step one, installing a sample;
reading data;
step three, filtering and denoising;
step four, calculating and analyzing;
in the first step, after the filter mirror (78) and the mounting panel (79) are wiped clean, placing a sample on the top of the mounting panel (79);
in the second step, reading data: the data is derived from a remote sensing image acquired by an imaging spectrometer (75) to obtain a data cube, the hyperspectral image data is subjected to filtering by a filter mirror (78) to remove a band absorbed by water vapor and a band with lower signal-to-noise ratio, the hyperspectral image data is transmitted to a back array camera (74), and the data is arranged pixel by pixel to obtain an original hyperspectral image matrix;
in the third step, image information is received by an information receiver (61), then processed by a pseudo-random sequence generator (62), then an information signal is filtered by a low-pass filter (63), an interfered signal wave is processed, the processed signal is transmitted to a quantizer (65) for quantization, the quantized signal is converted by a signal converter (64), and an input signal is converted into an image signal by the signal converter (64);
in the fourth step, image signals are transmitted to the operation panel (3), hyperspectral images are imaged through the operation buttons (2) on the operation panel (3), received data are imaged on the display screen (5), data analysis and calculation are carried out, a target function is established, and a nonnegative matrix decomposition algorithm is applied to perform hyperspectral image unmixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502166.6A CN110174171B (en) | 2019-06-11 | 2019-06-11 | Intelligent hyperspectral unmixing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502166.6A CN110174171B (en) | 2019-06-11 | 2019-06-11 | Intelligent hyperspectral unmixing device and method |
Publications (2)
| Publication Number | Publication Date |
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| CN108917930A (en) * | 2018-06-21 | 2018-11-30 | 中国科学院西安光学精密机械研究所 | Hyperspectral unmixing optical implementation method based on spectral imaging technology |
| CN109580495A (en) * | 2018-11-28 | 2019-04-05 | 重庆工商大学 | A kind of solution mixing device and method based on high spectrum image |
| CN109655154A (en) * | 2018-12-29 | 2019-04-19 | 重庆工商大学 | One kind being based on EO-1 hyperion sparse solution mixing device |
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| CN106788714A (en) * | 2016-12-05 | 2017-05-31 | 重庆工商大学 | A kind of sparse solution mixing method based on optical computing |
| CN108917930A (en) * | 2018-06-21 | 2018-11-30 | 中国科学院西安光学精密机械研究所 | Hyperspectral unmixing optical implementation method based on spectral imaging technology |
| CN109580495A (en) * | 2018-11-28 | 2019-04-05 | 重庆工商大学 | A kind of solution mixing device and method based on high spectrum image |
| CN109655154A (en) * | 2018-12-29 | 2019-04-19 | 重庆工商大学 | One kind being based on EO-1 hyperion sparse solution mixing device |
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