CN113191384A - Hyperspectral image sparse unmixing system based on compressed sensing and installation equipment - Google Patents

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, 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, and the first box, the second box and the computer are installed on the 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

Hyperspectral image sparse unmixing system based on compressed sensing and installation equipment

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 images 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 images needs to be installed firstly in the unmixing process, and how to install the sparse unmixing equipment in 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 achieve 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.

Further, install first cooling plate on the first box, install the second cooling plate on second box and the computer, first cooling plate with communicate through the second pipeline 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, install the water pump in the water cavity, 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 transmits the hyperspectral image matrix to a filtering module for filtering through the processing of a pseudorandom sequence generation module, denoising the information, transmitting the processed information to a quantization module for quantization, transmitting the quantized information to a conversion module after the processing is finished, converting the converted information into image information, transmitting the image information to a display module for display, transmitting the image information to a storage module for storage, analyzing and calculating the image information through a processing module on a computer, establishing a target function, and performing sparse unmixing on the hyperspectral image by using a non-negative 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 present invention.

Fig. 6 is an enlarged schematic 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 areceiving module 22, a pseudorandomsequence generation module 23, a filtering module 24, aconversion module 25, atransmission module 26, anacquisition module 27, a quantization module 28, astorage module 29, adisplay module 30 and aprocessing module 31, wherein theacquisition module 27, thetransmission module 26, thereceiving module 22, the pseudorandomsequence generation module 23, the filtering module 24, the quantization module 28, theconversion module 25, thedisplay module 30, thestorage module 29 and theprocessing module 31 are sequentially connected, theacquisition module 27 performs subsampling on data, theacquisition module 27 is a single-pixel camera, a surface array camera and a spectrometer to obtain a hyperspectral data cube, the single-pixel camera and the spectrometer perform subsampling on the data by using the principle of compressed sensing to obtain the hyperspectral data cube, and then the hyperspectral data cube is transmitted to the surface array camera, then, a hyperspectral image matrix is obtained, then, the hyperspectral image matrix is transmitted through atransmission module 26, then, the hyperspectral image matrix is transmitted to areceiving module 22, then, the hyperspectral image matrix is processed through a pseudorandomsequence generation module 23, then, the hyperspectral image matrix is transmitted to a filtering module 24 to be filtered, the information is subjected to noise reduction processing, the processed hyperspectral image matrix is transmitted to a quantization module 28 to be quantized, the processed hyperspectral image matrix is transmitted to aconversion module 25 to be converted into image information, the image information is transmitted to adisplay module 30 to be displayed, then, the image information is transmitted to astorage module 29 to be stored, then, the hyperspectral image matrix is analyzed and calculated through aprocessing module 31 on acomputer 11, an objective function is established, the hyperspectral image sparse unmixing is performed by using a nonnegative matrix decomposition algorithm, and the hyperspectral image sparse unnegative matrix decomposition algorithm is performed by using aprocessing module 31.

The invention simultaneously provides equipment for installing a compressed sensing hyperspectral image sparse unmixing system, which comprises afirst box body 4, asecond box body 7, acomputer 11 andhalogen lamps 10, wherein thehalogen lamps 10, atransmission module 26 and anacquisition module 27 are installed in thefirst box body 4, areceiving module 22, a pseudorandomsequence generation module 23, a filtering module 24, a quantization module 28, aconversion module 25 and astorage module 29 are installed in thesecond box body 7, adisplay module 30 and aprocessing module 31 are installed on thecomputer 11, thedisplay module 30 is installed at the top of the center of one side of thecomputer 11, theprocessing module 31 is installed at the bottom of the center of one side of thecomputer 11, and thefirst box body 4, thesecond box body 7 and thecomputer 11 are installed on abase 13; anacquisition module 27 is installed at the center of the top surface in thefirst box 4, theacquisition module 27 is a single-pixel camera, an area-array camera and a spectrometer, and atransmission module 26 is installed at one side of the center of the top surface in thefirst box 4.

As a specific example, thebase 13 is provided with a plurality of levelingmembers 1 capable of leveling thebase 13.

As a specific embodiment, afirst cooling plate 5 is installed on afirst box 4, asecond cooling plate 8 is installed on asecond box 7 and acomputer 11, thefirst cooling plate 5 and thesecond cooling plate 8 are communicated through asecond pipeline 6, thefirst cooling plate 5 and thesecond cooling plate 8 are respectively communicated with afirst pipeline 3 and athird pipeline 9, a water cavity is installed in abase 13, awater pump 12 is installed in the water cavity, thethird pipeline 9 is communicated with thewater pump 12, and thefirst pipeline 3 is communicated with the water cavity; the bottom of the two sides of thefirst box body 4 is hinged with the bottom of the opposite side of themovable plate 2, the two ends of the center of the top of themovable plate 2 are fixedly connected with the bottom of a U-shapedrod 15, one side of the U-shapedrod 15 is clamped with alocking rod 14, one side of the bottom of thelocking rod 14 is fixedly connected with one end of amovable rod 17, themovable rod 17 penetrates through the centers of the two ends of alocking block 16, thelocking block 16 is hollow, the hollow part is acavity 18, the top and the bottom of one side of the center of thecavity 18 are fixedly connected with two ends of abaffle ring 21, one side of thebaffle ring 21 is attached to one end of aspring 20, thespring 20 is wound at the center of themovable rod 17, the other end of thespring 20 is attached to one side of afixed ring 19, thefixed ring 19 is sleeved and fixed at one end of the center of themovable rod 17, and the bottom of thelocking rod 14 is fixedly connected with the top of the four corners of thefirst box body 4; one side of the top of abase 13 is fixedly connected with the bottom of acomputer 11, one side of thecomputer 11 is fixedly connected with one side of asecond box 7, the bottom of thesecond box 7 is fixedly connected with the center of the top of thebase 13, the top of the center of one side of thesecond box 7 adjacent to thecomputer 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 thecomputer 11 and the top of thesecond box 7 are respectively attached to the bottom of asecond cooling plate 8, the center of one side of thesecond cooling plate 8 is fixedly connected with one end of athird pipeline 9, the other end of thethird pipeline 9 penetrates through one side of the center of the top of thebase 13, the other end of thethird pipeline 9 is fixedly connected with the output end of awater pump 12, the bottom of thewater pump 12 is fixedly connected with one side of the center of the inner bottom surface, the center of the other side of thesecond cooling plate 8 is fixedly connected with one end of asecond pipeline 6, and the center of one side of thefirst cooling plate 5 are fixedly connected with the center of thesecond pipeline 6, the bottom of afirst cooling plate 5 is attached to the top of afirst box body 4, the other end of thefirst cooling plate 5 is welded with one end of afirst pipeline 3, the other end of thefirst pipeline 3 penetrates through the other side of the center of the top of abase 13, thebase 13 is hollow, cooling water is stored in the hollow part, thefirst cooling plate 5 and asecond cooling plate 8 are hollow, the hollow part of thefirst cooling plate 5 is respectively communicated with asecond pipeline 6 and athird pipeline 9, the hollow part of thesecond cooling plate 8 is respectively communicated with thefirst pipeline 3 and thesecond pipeline 6, circulation of the cooling water is favorably realized, the bottom of thefirst box body 4 is fixedly connected with the other side of the top of thebase 13, the ground center in thefirst box body 4 is fixedly connected with the bottom of an objective table, the other side of the top surface center in thefirst box body 4 is fixedly connected with the top of ahalogen lamp 10, sample bearing is favorably, the bottoms of two sides of thefirst box body 4 are respectively hinged with the bottom of one side of amovable plate 2, a sealing ring is arranged between themovable plate 2 and thefirst box body 4, which is favorable for ensuring the sealing and light-proof inside thefirst box body 4, two ends of the center of the top of themovable plate 2 are respectively and fixedly connected with the bottom of a U-shapedrod 15, one side of the U-shapedrod 15 is clamped with alocking rod 14, one side of the bottom of thelocking rod 14 is fixedly connected with one end of amovable rod 17, themovable rod 17 penetrates through the centers of two ends of alocking block 16, thelocking block 16 is hollow, the hollow part is acavity 18, the top and the bottom of one side of the center of thecavity 18 are respectively and fixedly connected with two ends of abaffle ring 21, one side of thebaffle ring 21 is attached to one end of aspring 20, thespring 20 is wound at the center of themovable rod 17, the other end of thespring 20 is attached to one side of afixed ring 19, thecomputer 11 is connected with a power supply through a lead, lubricating oil is coated at the hinged part of themovable plate 2 and thefirst box body 4 and the attached part of thefixed ring 19 and thelocking block 16, which is favorable for the normal work of thecomputer 11 and themovable plate 2, thefixed ring 19 is sleeved and fixed at one end of the center of themovable rod 17, the bottom of thelocking rod 14 is fixedly connected with the four corners of the top of thefirst box 4, and the four corners of the bottom of thebase 13 are fixedly connected with the top of theleveling component 1.

As a specific embodiment, thefirst box 4 has two-way openings, the two-way openings respectively correspond to the twomovable plates 2, and a stage is disposed in thefirst box 4.

As a specific embodiment, theleveling assembly 1 comprises astud 101, afirst fixing block 102, amounting plate 103, asecond fixing block 104, alocking nut 105, afixing plate 106, abottom plate 107, alocking bolt 108 and an adjustingnut 109, four corners of the bottom of thebase 13 are respectively welded with the top of thefirst fixing block 102, the center of the bottom of thefirst fixing block 102 is welded with the top end of thestud 101, the middle upper portion of thestud 101 penetrates through the center of themounting plate 103, themounting plate 103 is fixedly connected with thestud 101 through the adjustingnut 109, one side of the adjustingnut 109 opposite to the mounting plate is respectively attached to the top and the bottom of themounting plate 103, two sides of themounting plate 103 are respectively fixedly connected with the top of one side of thesecond fixing block 104 opposite to the side, the bottom center of one side of thesecond fixing block 104 opposite to thefixing plate 106 is attached to the top of one side of thefixing plate 106, and the bottom center of one side of thesecond fixing block 104 opposite to thefixing plate 106 is fixedly connected with the top of thefixing plate 106 through thelocking bolt 108 and thelocking nut 105, the bottom of thefixing plate 106 is fixedly connected with two sides of the top center of thebottom plate 107.

As a specific embodiment, firstly, the equipment is placed on a mounting plane, whether the level meter on thesecond box body 7 is horizontal or not is observed, if not, leveling is needed, the adjustingnut 109 is unscrewed, themounting plate 103 moves up and down along thestud 101, so that thesecond fixing block 104 is driven to move up and down along thestud 101, thefixing plate 106 is driven to move up and down along thestud 101, then thebottom plate 107 is driven to move up and down along thestud 101, when the adjustingnut 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 thefirst box body 4, thehalogen lamp 10 is turned on, the sample is irradiated, themovable plate 2 is rotated upwards at the moment, one side of themovable plate 2 is attached to one side of thefirst box body 4, themovable rod 17 is rotated at the moment, thereby driving thelocking rod 14 to rotate until thelocking rod 14 is parallel to the top of thefirst box 4, at this time, pressing themovable rod 17 towards the direction of the U-shapedrod 15 to drive thefixing ring 19 to move towards the direction of the U-shapedrod 15, further compressing thespring 20 to make thelocking rod 14 pass through the U-shapedrod 15, at this time, reversely rotating themovable rod 17 to drive thelocking rod 14 to reversely rotate until thelocking rod 14 is perpendicular to the top of thefirst box 4, at this time, releasing themovable rod 17, under the elastic force of thespring 20, driving thefixing ring 19 to reversely move towards the U-shapedrod 15, further driving thelocking rod 14 to reversely move towards the U-shapedrod 15, thereby thelocking rod 14 is clamped with the U-shapedrod 15, otherwise, laterally releasing, realizing the quick folding and unfolding of themovable plate 2, improving the working efficiency, folding themovable 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 theacquisition module 27, meanwhile, dust adhesion is avoided, theacquisition module 27 is opened at the moment, data is sub-sampled by utilizing a single-pixel camera and a spectrometer by utilizing a compressed sensing principle to obtain a hyperspectral data cube, the hyperspectral data cube is transmitted to a surface array camera, a hyperspectral image matrix is obtained, the hyperspectral image matrix is transmitted out through thetransmission module 26 and then transmitted to the receivingmodule 22, then processed through the pseudorandomsequence generation module 23 and then transmitted to the filtering module 24 for filtering, the information is subjected to noise reduction processing, the processed information is transmitted to the quantization module 28 for quantization, the processed information is transmitted to theconversion module 25 to be converted into image information, the image information is transmitted to thedisplay module 30 for display, the image information is transmitted to thestorage module 29 for storage, the image information is analyzed and calculated through theprocessing module 31 on thecomputer 11 to establish a target function, and the hyperspectral image sparse unmixing is carried out by applying a nonnegative matrix decomposition algorithm, can produce a large amount of heats at equipment during operation,open water pump 12 this moment,water pump 12 takes outsecond cooling plate 8 inside with the cooling water in thebase 13 throughthird pipeline 9, insecond pipeline 6 transportsfirst cooling plate 5 afterwards, insidefirst pipeline 3 gets back tobase 13 afterwards, form the circulation of cooling water, the overheated condition of equipment has been avoided taking place, and work efficiency is improved, the cooling water replaces the fan heat dissipation, avoid the influence of air convection to unmixing.

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 (7)

1. A hyperspectral image sparse unmixing system based on compressed sensing is characterized in that: the hyperspectral image sparse unmixing method based on the pseudo-random sequence comprises a receiving module (22), a pseudo-random 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 pseudo-random 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 to obtain a hyperspectral data cube, and the processing module (31) applies a non-negative matrix decomposition algorithm to perform hyperspectral image sparse unmixing.

2. An apparatus for installing the compressed sensing-based hyperspectral image sparse unmixing system of claim 1, wherein: the halogen lamp transmission device is characterized by comprising 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 pseudo-random 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).

3. The apparatus for installing a compressed sensing hyperspectral image sparse unmixing system according to claim 2, wherein: the base (13) is provided with a plurality of leveling components (1) which can level the base (13).

4. The apparatus for installing a compressed sensing hyperspectral image sparse unmixing system according to claim 2, wherein: 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.

5. The apparatus for installing a compressed sensing hyperspectral image sparse unmixing system according to claim 2, wherein: and a bar type level meter is arranged at the top of the center of one side of the second box body 7 adjacent to the computer 11.

6. The apparatus for installing a compressed sensing hyperspectral image sparse unmixing system according to claim 2, wherein: the bottom of two sides of the first box body (4) is hinged with the bottom of one side of the movable plate (2) in opposite directions, 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 connected with a locking rod (14) in a clamping mode, 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 inside and is provided with 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 on the center of the movable rod (17), the other end of the spring (20) is attached to one side of a fixed ring (19), and the fixed ring (19) is sleeved and fixed at one end of the center of the movable rod (17), the bottom of the locking rod (14) is fixedly connected with the four corners of the top of the first box body (4) respectively.

7. The apparatus for installing the compressed sensing hyperspectral image sparse unmixing system according to claim 6, wherein: 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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