CN113191384B - Hyperspectral image sparse unmixing system based on compressed sensing and installation equipment - Google Patents
Hyperspectral image sparse unmixing system based on compressed sensing and installation equipment Download PDFInfo
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- CN113191384B CN113191384B CN202110127834.9A CN202110127834A CN113191384B CN 113191384 B CN113191384 B CN 113191384B CN 202110127834 A CN202110127834 A CN 202110127834A CN 113191384 B CN113191384 B CN 113191384B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
- H05K7/12—Resilient or clamping means for holding component to structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
Abstract
The invention provides a hyperspectral image sparse unmixing system based on compressed sensing, which comprises a receiving module, a pseudorandom sequence generation module, a filtering module, a conversion module, a transmission module, an acquisition module, a quantization module, a storage module, a display module and a processing module, wherein the pseudo-random sequence generation module is used for generating a pseudo-random sequence; the halogen lamp, the transmission module and the acquisition module are installed in a first box body, the receiving module, the pseudorandom sequence generation module, the filtering module, the quantization module, the conversion module and the storage module are installed in a second box body, and the first box body, the second box body and the computer are installed on a base. The data is sub-sampled through an acquisition module and finally processed through a processing module; the hyperspectral image sparse unmixing system based on compressed sensing avoids influencing accuracy in the use process by installing the first box body, the second box body and the computer on the base.
Description
Technical Field
The invention relates to the technical field of image data processing, in particular to a hyperspectral image sparse unmixing system based on compressed sensing and installation equipment.
Background
With the rapid development of digital signal processing technology, computer technology and communication technology, the hyperspectral remote sensing image processing technology plays more and more important roles in the fields of military, civil and the like, the resolution of a hyperspectral image is generally low, so that mixed pixels exist widely, the mixed pixel processing is more difficult and more important compared with pure pixel processing, and the hyperspectral remote sensing image processing method is used as spectral unmixing of a mixed pixel processing main technology, namely, the proportion of each mixed component in the mixed pixel is solved, and the hyperspectral remote sensing image processing method is a more accurate classification technology.
The sparse unmixing of the hyperspectral image is to decompose a mixed pixel into different basic constituent units, or called end members, and to obtain the proportion of the constituent units, the sparse unmixing equipment of the hyperspectral image needs to be installed firstly in the unmixing process, and how to install the sparse unmixing equipment under different use scenes can also influence the working accuracy of the equipment.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a hyperspectral image sparse unmixing system based on compressed sensing and a mounting device which have unmixing capability and can be used for mounting the system.
In order to realize the purpose, the invention adopts the following technical scheme: the utility model provides a hyperspectral image sparse unmixing system based on compressed sensing, includes receiving module, pseudo-random sequence generation module, filtering module, conversion module, transmission module, collection module, quantization module, storage module, display module and processing module, collection module, transmission module, receiving module, pseudo-random sequence generation module, filtering module, quantization module, conversion module, display module, storage module and processing module connect gradually, collection module carries out the subsampling to data, obtains the hyperspectral data cube, processing module uses non-negative matrix decomposition algorithm to carry out hyperspectral image sparse unmixing.
The device comprises a first box body, a second box body, a computer and halogen lamps, wherein the halogen lamps, a transmission module and an acquisition module are installed in the first box body, a receiving module, a pseudo-random sequence generation module, a filtering module, a quantization module, a conversion module and a storage module are installed in the second box body, a display module and a processing module are installed on the computer, and the first box body, the second box body and the computer are installed on a base.
Further, the base is provided with a plurality of leveling components capable of leveling the base.
Furthermore, install first cooling plate on the first box, install the second cooling plate on second box and the computer, first cooling plate with through the second pipeline intercommunication between the second cooling plate, first cooling plate with the second cooling plate communicates first pipeline and third pipeline respectively, installation water cavity in the base, the water intracavity installs the water pump, the third pipeline intercommunication the water pump, first pipeline intercommunication the water cavity.
Furthermore, a bar type level meter is arranged at the top of the center of one side of the second box body adjacent to the computer.
Further, first box both sides bottom is articulated with fly leaf one side bottom in opposite directions respectively, fly leaf top center both ends respectively with U type pole bottom fixed connection, U type pole one side and check lock bar joint, check lock bar bottom one side and movable rod one end fixed connection, the movable rod runs through check lock block both ends center, the inside cavity of check lock block, and well kenozooecium divide into the cavity, cavity center one side top and bottom leave both ends fixed connection with the fender ring respectively mutually, fender ring one side and spring one end laminating, the spring is around connecting at the movable rod center, the spring other end and solid fixed ring one side laminating, gu fixed ring cup joints and fixes in movable rod center one end, the check lock bar bottom respectively with first box top four corners position fixed connection.
Furthermore, the first box body is provided with two-way openings, the two-way openings correspond to the two movable plates respectively, and an objective table is arranged in the first box body.
Compared with the prior art, the invention has the following beneficial effects: the invention relates to a hyperspectral image sparse unmixing system based on compressed sensing, which performs sub-sampling on data through an acquisition module to obtain a hyperspectral data cube, then transmits the hyperspectral data cube to an area array camera, then obtains a hyperspectral image matrix, then transmits the hyperspectral image matrix out through a transmission module, then transmits the hyperspectral image matrix to a receiving module, then performs processing through a pseudorandom sequence generation module, then transmits the hyperspectral image matrix to a filtering module for filtering, performs noise reduction on information, transmits the processed hyperspectral image matrix to a quantization module for quantization, transmits the quantized hyperspectral image matrix to a conversion module for converting the image information into image information, then transmits the image information to a display module for displaying, then transmits the image information to a storage module for storage, then performs analysis and calculation through a processing module on a computer, establishes a target function, and performs hyperspectral image sparse unmixing by applying a nonnegative matrix decomposition algorithm; the invention provides a device for installing a compressed sensing hyperspectral image sparse unmixing system, which is arranged in a second box body through a receiving module, a pseudorandom sequence generation module, a filtering module, a quantization module, a conversion module and a storage module respectively, is arranged on a computer through a display module and a processing module, and is arranged on a base through a first box body, the second box body and the computer, so that the precision is prevented from being influenced in the use process of the compressed sensing hyperspectral image sparse unmixing system.
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.
Drawings
Fig. 1 is a perspective view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of the area a in fig. 1 according to the present invention.
Fig. 3 is an elevational view of the overall construction of the present invention.
Fig. 4 is an enlarged view of the region B in fig. 3 according to the present invention.
Fig. 5 is a side cross-sectional view of the overall structure of the invention.
Fig. 6 is an enlarged view of the region C of fig. 5 according to the present invention.
Fig. 7 is a front cross-sectional view of the overall structure of the present invention.
FIG. 8 is a system flow diagram of the present invention; .
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:
the invention provides a hyperspectral image sparse unmixing system based on compressed sensing, which comprises a receiving module 22, a pseudorandom sequence generation module 23, a filtering module 24, a conversion module 25, a transmission module 26, an acquisition module 27, a quantization module 28, a storage module 29, a display module 30 and a processing module 31, wherein the acquisition module 27, the transmission module 26, the receiving module 22, the pseudorandom sequence generation module 23, the filtering module 24, the quantization module 28, the conversion module 25, the display module 30, the storage module 29 and the processing module 31 are sequentially connected, the acquisition module 27 performs subsampling on data, the acquisition module 27 is a single-pixel camera, a planar array camera and a spectrometer to obtain a hyperspectral data cube, the single-pixel camera and the spectrometer are used for performing subsampling on the data by using the principle of compressed sensing to obtain the hyperspectral data cube, the hyperspectral data cube is transmitted to an area array camera, a hyperspectral image matrix is obtained subsequently, the hyperspectral image matrix is transmitted out through a transmission module 26 and then transmitted to a receiving module 22, the hyperspectral image matrix is processed through a pseudorandom sequence generation module 23 and then transmitted to a filtering module 24 to be filtered, noise reduction processing is carried out on information, the processed hyperspectral image matrix is transmitted to a quantization module 28 to be quantized after being processed, the processed hyperspectral image matrix is transmitted to a conversion module 25 to be converted into image information and then transmitted to a display module 30 to be displayed, the hyperspectral image matrix is transmitted to a storage module 29 to be stored, the hyperspectral image matrix is analyzed and calculated through a processing module 31 on a computer 11, a target function is established, a nonnegative matrix decomposition algorithm is used for hyperspectral image sparse unmixing, and the processing module 31 uses the nonnegative matrix decomposition algorithm for hyperspectral image sparse mixing.
The invention simultaneously provides equipment for installing a compression sensing hyperspectral image sparse unmixing system, which comprises a first box body 4, a second box body 7, a computer 11 and a halogen lamp 10, wherein the halogen lamp 10, a transmission module 26 and an acquisition module 27 are installed in the first box body 4, a receiving module 22, a pseudorandom sequence generation module 23, a filtering module 24, a quantization module 28, a conversion module 25 and a storage module 29 are installed in the second box body 7, a display module 30 and a processing module 31 are installed on the computer 11, the display module 30 is installed at the top of the center of one side of the computer 11, the processing module 31 is installed at the bottom of the center of one side of the computer 11, and the first box body 4, the second box body 7 and the computer 11 are installed on a base 13; an acquisition module 27 is installed at the center of the top surface in the first box 4, the acquisition module 27 is a single-pixel camera, an area-array camera and a spectrometer, and a transmission module 26 is installed at one side of the center of the top surface in the first box 4.
As a specific example, the base 13 is provided with a plurality of leveling members 1 capable of leveling the base 13.
As a specific embodiment, a first cooling plate 5 is installed on a first box 4, a second cooling plate 8 is installed on a second box 7 and a computer 11, the first cooling plate 5 and the second cooling plate 8 are communicated through a second pipeline 6, the first cooling plate 5 and the second cooling plate 8 are respectively communicated with a first pipeline 3 and a third pipeline 9, a water cavity is installed in a base 13, a water pump 12 is installed in the water cavity, the third pipeline 9 is communicated with a water pump 12, and the first pipeline 3 is communicated with the water cavity; the bottom of the two sides of the first box body 4 is hinged with the bottom of the opposite side of the movable plate 2, the two ends of the center of the top of the movable plate 2 are fixedly connected with the bottom of a U-shaped rod 15, one side of the U-shaped rod 15 is clamped with a locking rod 14, one side of the bottom of the locking rod 14 is fixedly connected with one end of a movable rod 17, the movable rod 17 penetrates through the centers of the two ends of a locking block 16, the locking block 16 is hollow, the hollow part is a cavity 18, the top and the bottom of one side of the center of the cavity 18 are fixedly connected with two ends of a baffle ring 21, one side of the baffle ring 21 is attached to one end of a spring 20, the spring 20 is wound at the center of the movable rod 17, the other end of the spring 20 is attached to one side of a fixed ring 19, the fixed ring 19 is sleeved and fixed at one end of the center of the movable rod 17, and the bottom of the locking rod 14 is fixedly connected with the top of the four corners of the first box body 4; one side of the top of a base 13 is fixedly connected with the bottom of a computer 11, one side of the computer 11 is fixedly connected with one side of a second box 7, the bottom of the second box 7 is fixedly connected with the center of the top of the base 13, the top of the center of one side of the second box 7 adjacent to the computer 11 is provided with a bar-type level gauge which is beneficial to judging whether equipment is level or not according to the bar-type level gauge, the top of the computer 11 and the top of the second box 7 are respectively attached to the bottom of a second cooling plate 8, the center of one side of the second cooling plate 8 is fixedly connected with one end of a third pipeline 9, the other end of the third pipeline 9 penetrates through one side of the center of the top of the base 13, the other end of the third pipeline 9 is fixedly connected with the output end of a water pump 12, the bottom of the water pump 12 is fixedly connected with one side of the center of the inner bottom surface, the center of the other side of the second cooling plate 8 is fixedly connected with one end of a second pipeline 6, and the center of one side of the first cooling plate 5 are fixedly connected with the center of the second pipeline 6, the bottom of a first cooling plate 5 is attached to the top of a first box body 4, the other end of the first cooling plate 5 is welded with one end of a first pipeline 3, the other end of the first pipeline 3 penetrates through the other side of the center of the top of a base 13, the base 13 is hollow, cooling water is stored in the hollow part, the first cooling plate 5 and a second cooling plate 8 are hollow, the hollow part of the first cooling plate 5 is respectively communicated with a second pipeline 6 and a third pipeline 9, the hollow part of the second cooling plate 8 is respectively communicated with the first pipeline 3 and the second pipeline 6, circulation of the cooling water is favorably realized, the bottom of the first box body 4 is fixedly connected with the other side of the top of the base 13, the ground center in the first box body 4 is fixedly connected with the bottom of an objective table, the other side of the top surface center in the first box body 4 is fixedly connected with the top of a halogen lamp 10, sample bearing is favorably, the bottoms of two sides of the first box body 4 are respectively hinged with the bottom of one side of a movable plate 2, a sealing ring is arranged between the movable plate 2 and the first box 4, which is beneficial to ensuring the internal sealing and light-proof of the first box 4, two ends of the center of the top of the movable plate 2 are fixedly connected with the bottom of a U-shaped rod 15 respectively, one side of the U-shaped rod 15 is clamped with a locking rod 14, one side of the bottom of the locking rod 14 is fixedly connected with one end of a movable rod 17, the movable rod 17 penetrates through the centers of two ends of a locking block 16, the locking block 16 is hollow, the hollow part is a cavity 18, the top and the bottom of one side of the center of the cavity 18 are fixedly connected with two ends of a baffle ring 21 respectively, one side of the baffle ring 21 is attached to one end of a spring 20, the spring 20 is wound at the center of the movable rod 17, the other end of the spring 20 is attached to one side of a fixed ring 19, the computer 11 is connected with a power supply through a lead, lubricating oil is coated at the hinged position of the movable plate 2 and the first box 4 and the attached position of the fixed ring 19 and the locking block 16, which are beneficial to the normal operation of the computer 11 and the movable plate 2, the fixed ring 19 is sleeved and fixed at one end of the movable rod 17, the fixed at four corners of the bottom of the base 13 are fixedly connected with the top of the leveling component 1 respectively.
As a specific embodiment, the first box 4 has two-way openings, the two-way openings respectively correspond to the two movable plates 2, and a stage is disposed in the first box 4.
As a specific embodiment, the leveling assembly 1 comprises a stud 101, a first fixing block 102, a mounting plate 103, a second fixing block 104, a locking nut 105, a fixing plate 106, a bottom plate 107, a locking bolt 108 and an adjusting nut 109, four corners of the bottom of the base 13 are respectively welded to the top of the first fixing block 102, the center of the bottom of the first fixing block 102 is welded to the top end of the stud 101, the middle upper portion of the stud 101 penetrates through the center of the mounting plate 103, the mounting plate 103 is fixedly connected to the stud 101 through the adjusting nut 109, one side of the adjusting nut 109 opposite to the mounting plate 103 is respectively attached to the centers of the top and the bottom of the mounting plate 103, two sides of the mounting plate 103 are respectively fixedly connected to the top of one side of the second fixing block 104 opposite to the top of the fixing plate 106, the bottom center of one side of the second fixing block 104 opposite to the top of the fixing plate 106 is attached to the center of one side of the fixing plate 106 opposite to the top of the fixing plate 106 through the locking bolt 108 and the locking nut 105, and the bottom of the fixing plate 106 is respectively fixedly connected to two sides of the center of the top of the fixing plate 107.
As a specific embodiment, firstly, the equipment is placed on a mounting plane, whether the level meter on the second box body 7 is horizontal or not is observed, if not, leveling is needed, the adjusting nut 109 is unscrewed, the mounting plate 103 moves up and down along the stud 101, so that the second fixing block 104 is driven to move up and down along the stud 101, the fixing plate 106 is driven to move up and down along the stud 101, then the bottom plate 107 is driven to move up and down along the stud 101, when the adjusting nut 109 is adjusted to a proper position, the leveling of the equipment is realized, the level after the equipment is mounted is ensured, the experimental error caused by the inclination of the equipment mounting is avoided, the accuracy of the equipment is improved, a sample is placed on a carrying platform in the first box body 4, the halogen lamp 10 is turned on, the sample is irradiated, the movable plate 2 is rotated upwards at the moment, one side of the movable plate 2 is attached to one side of the first box body 4, the movable rod 17 is rotated at the moment, thereby driving the locking rod 14 to rotate until the locking rod 14 is parallel to the top of the first box 4, at this time, pressing the movable rod 17 towards the direction of the U-shaped rod 15 to drive the fixing ring 19 to move towards the direction of the U-shaped rod 15, further compressing the spring 20 to make the locking rod 14 pass through the U-shaped rod 15, at this time, reversely rotating the movable rod 17 to drive the locking rod 14 to reversely rotate until the locking rod 14 is perpendicular to the top of the first box 4, at this time, releasing the movable rod 17, under the elastic force of the spring 20, driving the fixing ring 19 to reversely move towards the U-shaped rod 15, further driving the locking rod 14 to reversely move towards the U-shaped rod 15, thereby the locking rod 14 is clamped with the U-shaped rod 15, otherwise, laterally releasing, realizing the quick folding and unfolding of the movable plate 2, improving the working efficiency, folding the movable plate 2 when the device is working and the device is idle, which is beneficial to avoiding the interference of the external light source to the acquisition module 27, meanwhile, the attachment of dust is avoided, the acquisition module 27 is opened at the moment, the data is sub-sampled by utilizing the principle of compressed sensing by utilizing a single-pixel camera and a spectrometer to obtain a hyperspectral data cube, then the hyperspectral data cube is transmitted to an area array camera to obtain a hyperspectral image matrix, then the hyperspectral image matrix is transmitted out through the transmission module 26 and then transmitted to the receiving module 22, then the hyperspectral image matrix is processed by the pseudorandom sequence generation module 23 and then transmitted to the filtering module 24 to be filtered, the information is subjected to noise reduction processing, the processed hyperspectral image matrix is transmitted to the quantization module 28 to be quantized, the processed hyperspectral image matrix is transmitted to the conversion module 25 to be converted into image information, and then the image information is transmitted to the display module 30 to be displayed, then, the hyperspectral images are transferred to a storage module 29 for storage, then, the hyperspectral images are analyzed and calculated through a processing module 31 on a computer 11, a target function is established, a nonnegative matrix decomposition algorithm is applied to sparse unmixing of the hyperspectral images, a large amount of heat can be generated when the equipment works, at the moment, a water pump 12 is turned on, the water pump 12 pumps cooling water in a base 13 into a second cooling plate 8 through a third pipeline 9, then the cooling water is transported into a first cooling plate 5 through a second pipeline 6, and then the cooling water returns to the inside of the base 13 through a first pipeline 3 to form circulation of the cooling water, the overheating condition of the equipment is avoided, the working efficiency is improved, the cooling water replaces a fan for heat dissipation, and the influence of air convection on unmixing is avoided.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. An apparatus for installing a hyperspectral image sparse unmixing system based on compressed sensing is characterized in that: the hyperspectral image sparse unmixing system based on compressed sensing comprises a receiving module (22), a pseudorandom sequence generation module (23), a filtering module (24), a conversion module (25), a transmission module (26), an acquisition module (27), a quantization module (28), a storage module (29), a display module (30) and a processing module (31), wherein the acquisition module (27), the transmission module (26), the receiving module (22), the pseudorandom sequence generation module (23), the filtering module (24), the quantization module (28), the conversion module (25), the display module (30), the storage module (29) and the processing module (31) are sequentially connected, the acquisition module (27) performs sub-sampling on data to obtain a hyperspectral data cube, and the processing module (31) performs hyperspectral image sparse unmixing by applying a non-negative matrix decomposition algorithm;
the equipment comprises a first box body (4), a second box body (7), a computer (11) and a halogen lamp (10), wherein the halogen lamp (10), a transmission module (26) and a collection module (27) are installed in the first box body (4), a receiving module (22), a pseudorandom sequence generation module (23), a filtering module (24), a quantization module (28), a conversion module (25) and a storage module (29) are installed in the second box body (7), a display module (30) and a processing module (31) are installed on the computer (11), and the first box body (4), the second box body (7) and the computer (11) are installed on a base (13);
first box (4) both sides bottom is articulated with fly leaf (2) one side bottom in opposite directions respectively, fly leaf (2) top center both ends respectively with U type pole (15) bottom fixed connection, U type pole (15) one side and check lock lever (14) joint, check lock lever (14) bottom one side and movable rod (17) one end fixed connection, movable rod (17) run through check lock (16) both ends center, the inside cavity of check lock (16), and well kenozooecium divide into cavity (18), cavity (18) center one side top and bottom leave both ends fixed connection with fender ring (21) respectively, fender ring (21) one side and spring (20) one end laminating, spring (20) wraparound is in movable rod (17) center, the spring (20) other end and solid fixed ring (19) one side laminating, gu fixed ring (19) cup joint and fix in movable rod (17) center one end, check lock lever (14) bottom respectively with first box (4) top four corners position fixed connection.
2. The device for installing the hyperspectral image sparse unmixing system based on compressed sensing according to claim 1, wherein the hyperspectral image sparse unmixing system comprises: the base (13) is provided with a plurality of leveling components (1) which can level the base (13).
3. The device for installing the hyperspectral image sparse unmixing system based on compressed sensing according to claim 1, wherein the hyperspectral image sparse unmixing system comprises: install first cooling plate (5) on first box (4), install second cooling plate (8) on second box (7) and computer (11), first cooling plate (5) with communicate through second pipeline (6) between second cooling plate (8), first cooling plate (5) with second cooling plate (8) communicate first pipeline (3) and third pipeline (9) respectively, install the water cavity in base (13), install water pump (12) in the water cavity, third pipeline (9) intercommunication water pump (12), first pipeline (3) intercommunication the water cavity.
4. The device for installing the hyperspectral image sparse unmixing system based on compressed sensing according to claim 1, wherein the hyperspectral image sparse unmixing system comprises: the second box body 7 is provided with a bar type level gauge at the top of the center of one side adjacent to the computer 11.
5. The device for installing the hyperspectral image sparse unmixing system based on compressed sensing according to claim 1, wherein the device comprises: the first box body (4) is provided with two-way openings which respectively correspond to the two movable plates (2), and an objective table is arranged in the first box body (4).
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