CN105118074B - A kind of image processing system and the method with system acquisition upper atmosphere temperature - Google Patents
A kind of image processing system and the method with system acquisition upper atmosphere temperature Download PDFInfo
- Publication number
- CN105118074B CN105118074B CN201510378871.1A CN201510378871A CN105118074B CN 105118074 B CN105118074 B CN 105118074B CN 201510378871 A CN201510378871 A CN 201510378871A CN 105118074 B CN105118074 B CN 105118074B
- Authority
- CN
- China
- Prior art keywords
- controller
- image
- temperature
- development board
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10032—Satellite or aerial image; Remote sensing
- G06T2207/10036—Multispectral image; Hyperspectral image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30181—Earth observation
- G06T2207/30192—Weather; Meteorology
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Quality & Reliability (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
Abstract
The invention discloses a kind of image processing systems, including the FPGA development board based on Nios II embeded processor, sdram controller, LCD controller, digital tube controller and jtag controller, jtag controller is provided in FPGA development board to connect by USB-Blaster line with PC machine.The method for obtaining upper atmosphere temperature is found out with the immediate data of theoretical value in measured value, the corresponding temperature of immediate data is atmospheric temperature by comparing measured value and theoretical value.It is compared with the method for computer disposal before, processing speed is obviously improved, it can be detached from and manually be automatically processed, Nios II embeded processor makes circuit design more diversification, software function additions and deletions are easier, hardware resource configuration is flexibly, portable stronger, and this method development cycle is short；CCD shoots the original fit image come, does not need conversion format and directly decodes, ensure that complete image information, improve computational accuracy.
Description
Technical field
The invention belongs to digital image processing techniques fields, are related to a kind of image processing system, the invention further relates to this
The method of system acquisition upper atmosphere temperature.
Background technique
From the mid-80 to the initial stage nineties, external structure tends to the card insert type image card of miniaturization, by image
In card insertion to computer, image capturing system can be constituted with computer.Since the beginning of the nineties, image processing equipment gradually divides
For two major classes, one kind is still, with the maturation of pci bus technology, to replace the product for using isa bus interface using card insert type；
Another image card is a kind of image processing system of off line for replacing computer using large scale integrated circuit or special chip.Into
Enter 21 century, digital image processing techniques receive extensive attention in many application fields, and achieve great achievement, such as
Space flight and aviation, biomedical engineering, industrial detection, robot vision, remote sensing etc..
However, applying existing image processing method in GBAII (ground airglow imaging interferometer), by computer from
The information such as atmospheric temperature are obtained in the image of shooting, the two dimensional gray of image need to be handled, to obtain atmospheric temperature, are located
It is relatively slow to manage process time；In addition, it is fit that the CCD camera on GBAII, which shoots the original image format come, plaid matching is needed
Formula can just be handled on computers after being converted, however may be damaged the complete of image information when conversion
Degree reduces computational accuracy.
Summary of the invention
The object of the present invention is to provide a kind of image processing system, solve that conventional images processing speed is slow and precision is low
Problem.
It is a further object of the present invention to provide the methods for obtaining upper atmosphere temperature with the system.
The first technical solution of the present invention is a kind of image processing system, including embedded based on Nios II
The FPGA development board of processor is provided with sdram controller, LCD controller, digital tube controller and JTAG in FPGA development board
The control signal of controller, FPGA development board is allocated by Avalon bus, and the card slot of SD card is configured in FPGA development board,
Sdram controller connects and composes storage system by the SDRAM memory of data line and periphery, and LCD controller passes through data line
It is connect with the LCD display of periphery, digital tube controller is connect by data line with the numeral method device of periphery, JTAG control
Device is connect by USB-Blaster line with PC machine.
The characteristics of the first technical solution of the invention, also resides in,
Storage system further includes the flash storage of Flash controller and periphery.
FPGA uses Cyclone IV EP4CE115F29 chip.
Second of technical solution of the present invention is a kind of method for obtaining upper atmosphere temperature, at image
Reason system, structure are as follows: including the FPGA development board based on Nios II embeded processor, be provided in FPGA development board
Sdram controller, LCD controller, digital tube controller and jtag controller, the control signal of FPGA development board are total by Avalon
Line is allocated, and the card slot of SD card is configured in FPGA development board, and sdram controller is deposited by data line and the SDRAM of periphery
Reservoir connects and composes storage system, and LCD controller is connect by data line with the LCD display of periphery, and digital tube controller is logical
It crosses data line to connect with the numeral method device of periphery, jtag controller is connect by USB-Blaster line with PC machine；Storage system
System further includes the flash storage of Flash controller and periphery；FPGA development board uses Cyclone IV EP4CE115F29 core
Piece；
Specifically includes the following steps:
Step 1:CCD camera shoots the airglow image of upper atmosphere and inputs original image in SD card；
Step 2: SD being embedded in the card slot of FPGA development board；
Step 3:Nios II embeded processor obtains image information from SD card, and generates digital image matrix storage
In SDRAM memory；
Step 4: noise elimination, central calibration being carried out to the digital image matrix of step 3 and ring is divided to handle, and to each ring
On gray value average, obtain the two-dimensional array that average gray is constituted on ring serial number and the ring；
Step 5: data of the Extracting temperature between 160K~230K from synthetic spectrum database, it is available each
The corresponding two-dimensional array of temperature；
Step 6: the two-dimensional array in step 4 is compared with two-dimensional array in step 5, seeks the quadratic sum of difference, it is poor
Be worth temperature corresponding to the smallest array of quadratic sum is the actual temperature of atmosphere at that time.
The characteristics of second of technical solution of the invention, also resides in,
Digital image matrix is generated in step 3 method particularly includes: be decoded to image information and obtain each pixel
Gray value, by the column locations of the position of these gray values and matrix correspond, generate two-dimensional digital image matrix.
The method of central calibration is carried out in step 4 are as follows:
Divide the image into left and right two parts first, every row finds out the peak value on the left side and the right respectively, two peak positions
Midpoint is the abscissa of central point；
Next divides the image into two parts, each column up and down and finds out the peak value of upper and lower part respectively, two peak positions
Midpoint is the ordinate of central point.
Ring is divided to handle in step 4 method particularly includes: to carry out a point ring by centre coordinate with a pixel wide.
Synthetic spectrum database is HITRAN08 database in step 5.
The beneficial effects of the present invention are: a kind of image processing system and the method for obtaining upper atmosphere temperature with the system,
1) a kind of image processing system based on Nios II Embedded Processor, with computer disposal before
Method is compared, and processing speed is obviously improved, and can be detached from and manually be automatically processed, in addition, incorporating in the present system a large amount of
Accurate forward modeling gross data library also improves the stabilization of system to carry out inverting data processing while having saved the time
Property；
2) Nios II embeded processor makes circuit design more diversification, and software function additions and deletions are easier, hardware money
Source configuration is flexibly, portable stronger, and this method development cycle is short；
3) CCD shoots the original fit image come, does not need conversion format and directly decodes, and ensure that complete image letter
Breath, improves computational accuracy.
Detailed description of the invention
Fig. 1 is a kind of system block diagram of image processing system of the present invention；
Fig. 2 is the upper atmosphere airglow image shot in the embodiment of the present invention；
Fig. 3 is the gray value of part pixel in digital image matrix in the embodiment of the present invention；
Fig. 4 is the part two-dimensional array that average gray is constituted on middle ring of embodiment of the present invention serial number and the ring；
Fig. 5 is the part two-dimensional array extracted from HITRAN08 database in the embodiment of the present invention；
Fig. 6 be in the embodiment of the present invention temperature and squared difference and corresponding diagram.
In figure, 1.FPGA development board, 2.Nios II embeded processor, 3.SDRAM controller, 4.SDRAM memory,
5.LCD controller, 6.LCD display, 7. digital tube controllers, 8. numeral method devices, 9.JTAG controller, 10. card slots,
11.Avalon bus, 12.Flash controller, 13.Flash memory.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of structure of image processing system of the present invention is as shown in Figure 1, include based on Nios II embeded processor 2
FPGA development board 1 is provided with sdram controller 3, LCD controller 5, digital tube controller 7 and JTAG control in FPGA development board 1
The control signal of device 9 processed, FPGA development board 1 is allocated by Avalon bus 11, is also configured with SD card in FPGA development board 1
Card slot 10, sdram controller 3 connect and compose storage system, LCD controller 5 by the SDRAM memory 4 of data line and periphery
It is connect by data line with the LCD display 6 of periphery, the numeral method device 8 that digital tube controller 7 passes through data line and periphery
Connection, jtag controller 9 are connect by USB-Blaster line with PC machine, and storage system further includes Flash controller 12 and periphery
Flash storage 13, FPGA development board 1 use Cyclone IV EP4CE115F29 chip.
The method for obtaining upper atmosphere temperature, is specifically implemented according to the following steps:
Step 1:CCD camera shoots the airglow image of upper atmosphere and inputs original image in SD card；
Step 2: SD is embedded in the card slot 10 of FPGA development board 1；
Step 3:Nios II embeded processor 2 obtains image information from SD card, and generates digital image matrix storage
In SDRAM memory 4；
Generate digital image matrix method particularly includes: the gray scale for obtaining each pixel is decoded to image information
The column locations of the position of these gray values and matrix are corresponded, generate two-dimensional digital image matrix by value；
Step 4: noise elimination, central calibration being carried out to the digital image matrix of step 3 and ring is divided to handle, and to each ring
On gray value average, obtain the two-dimensional array that average gray is constituted on ring serial number and the ring；
The method for carrying out central calibration are as follows:
Divide the image into left and right two parts first, every row finds out the peak value on the left side and the right respectively, two peak positions
Midpoint is the abscissa of central point；
Next divides the image into two parts, each column up and down and finds out the peak value of upper and lower part respectively, two peak positions
Midpoint is the ordinate of central point；
Divide ring processing method particularly includes: a point ring is carried out with a pixel wide by centre coordinate；
Step 5: data of the Extracting temperature between 160K~230K from HITRAN08 database, it is available each
The corresponding two-dimensional array of temperature；
Step 6: the two-dimensional array in step 4 is compared with two-dimensional array in step 5, seeks the quadratic sum of difference, it is poor
Be worth temperature corresponding to the smallest array of quadratic sum is the actual temperature of atmosphere at that time.
Embodiment
Step 1:CCD camera shoots the airglow image of upper atmosphere and inputs original image in SD card (as shown in Figure 2)；
Step 2: SD card is embedded in the card slot 10 of FPGA development board 1；
Step 3:Nios II embeded processor 2 obtains image information from SD card, and generates digital image matrix storage
In SDRAM memory 4, method particularly includes: the gray value for obtaining each pixel is decoded to image information, by these ashes
The position of angle value and the column locations of matrix correspond, and generate digital image matrix, and Fig. 3 is part picture in digital image matrix
The gray value of vegetarian refreshments；
Step 4: noise elimination, central calibration being carried out to the digital image matrix of step 3 and ring is divided to handle, and to each ring
On gray value average, obtain the two-dimensional array that average gray is constituted on ring serial number and the ring, Fig. 4 is ring serial number and should
The part two-dimensional array that average gray is constituted on ring；
Step 5: data of the Extracting temperature between 160K~230K from HITRAN08 database, it is available each
The corresponding two-dimensional array of temperature, Fig. 5 are the part two-dimensional array extracted from HITRAN08 database；
Step 6: the two-dimensional array in step 4 is compared with two-dimensional array in step 5, seeks the quadratic sum of difference, it is poor
Be worth temperature corresponding to the smallest array of quadratic sum is the actual temperature of atmosphere at that time, as shown in Figure 6；
From fig. 6, it can be seen that corresponding squared difference and minimum when 190K, so the temperature of upper atmosphere should be
190K。
The Xi'an road Yan Xiang 58, Xi'an University of Technology Qujiang River school district No. 9 roofs of teaching have carried out experimental verification, finally
For temperature between 188K~192K, precision is about 2K, it can be seen that, and essence fast using this method measurement upper atmosphere temperature-time
Degree is high.
A kind of method present invention image processing system and obtain upper atmosphere temperature with the system, with computer before
The method of processing is compared, and processing speed is obviously improved, and can be detached from and manually be automatically processed, in addition, being stored in the present system
A large amount of accurate forward modeling gross data libraries also improve system while having saved the time to carry out inverting data processing
Stability；Nios II embeded processor makes circuit design more diversification, and software function additions and deletions are easier, hardware money
Source configuration is flexibly, portable stronger, and this method development cycle is short；CCD shoots the original fit image come, does not need to turn
Change format to directly decode, ensure that complete image information, improve computational accuracy.
Claims (4)
1. the method for obtaining upper atmosphere temperature, which is characterized in that use a kind of image processing system, structure are as follows: including base
Be provided in the FPGA development board (1) of Nios II embeded processor (2), FPGA development board (1) sdram controller (3),
LCD controller (5), digital tube controller (7) and jtag controller (9), the control signal of the FPGA development board (1) by
Avalon bus (11) is allocated, and the card slot (10) of SD card, the sdram controller are also configured in FPGA development board (1)
(3) storage system is connected and composed by the SDRAM memory (4) of data line and periphery, the LCD controller (5) passes through data
Line is connect with the LCD display (6) of periphery, the numeral method device that the number tube controller (7) passes through data line and periphery
(8) it connects, the jtag controller (9) is connect by USB-Blaster line with PC machine；
Storage system further includes the flash storage (13) of Flash controller (12) and periphery；
FPGA development board (1) uses Cyclone IV EP4CE115F29 chip；
Specifically includes the following steps:
Step 1:CCD camera shoots the airglow image of upper atmosphere and inputs original image in SD card；
Step 2: SD card is embedded in the card slot (10) of FPGA development board (1)；
Step 3:Nios II embeded processor (2) obtains image information from SD card, and generates digital image matrix and be stored in
In SDRAM memory (4)；
Step 4: noise elimination, central calibration being carried out to the digital image matrix of step 3 and ring is divided to handle, and on each ring
Gray value is averaged, and is obtained the two-dimensional array that average gray is constituted on ring serial number and the ring, is generated digital image matrix
Method particularly includes: the gray value for obtaining each pixel is decoded to image information, by the position of these gray values and matrix
Column locations correspond, generate two-dimensional digital image matrix；
Step 5: it is corresponding to obtain each temperature for data of the Extracting temperature between 160K~230K from synthetic spectrum database
Two-dimensional array；
Step 6: the two-dimensional array in step 4 being compared with two-dimensional array in step 5, seeks the quadratic sum of difference, difference is flat
Temperature corresponding to square and the smallest array be atmosphere at that time actual temperature.
2. the method according to claim 1 for obtaining upper atmosphere temperature, which is characterized in that in being carried out in the step 4
The heart determines calibration method are as follows:
Left and right two parts are divided the image into first, and every row finds out the peak value on the left side and the right, the midpoint of two peak positions respectively
The as abscissa of central point；
Next divides the image into two parts, each column up and down and finds out the peak value of upper and lower part, the midpoint of two peak positions respectively
The as ordinate of central point.
3. the method according to claim 1 for obtaining upper atmosphere temperature, which is characterized in that divide at ring in the step 4
Reason method particularly includes: a point ring is carried out with a pixel wide by centre coordinate.
4. the method according to claim 1 for obtaining upper atmosphere temperature, which is characterized in that synthesize light in the step 5
Modal data library is HITRAN08 database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378871.1A CN105118074B (en) | 2015-07-01 | 2015-07-01 | A kind of image processing system and the method with system acquisition upper atmosphere temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378871.1A CN105118074B (en) | 2015-07-01 | 2015-07-01 | A kind of image processing system and the method with system acquisition upper atmosphere temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105118074A CN105118074A (en) | 2015-12-02 |
| CN105118074B true CN105118074B (en) | 2019-02-01 |
Family
ID=54666047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510378871.1A Expired - Fee Related CN105118074B (en) | 2015-07-01 | 2015-07-01 | A kind of image processing system and the method with system acquisition upper atmosphere temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105118074B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101477341A (en) * | 2009-01-21 | 2009-07-08 | 江南大学 | Built-in machine vision measurement and control system |
| CN102074003A (en) * | 2010-12-30 | 2011-05-25 | 中国科学院长春光学精密机械与物理研究所 | Mean shift-based embedded type image tracking system |
| CN102634632A (en) * | 2012-05-09 | 2012-08-15 | 湖南镭目科技有限公司 | System and method for detecting temperature of converter flame |
| CN102663758A (en) * | 2012-04-20 | 2012-09-12 | 北京工业大学 | Image acquiring and processing method based on FPGA (field programmable gate array) serving as control core |
| CN103079051A (en) * | 2012-12-19 | 2013-05-01 | 华南理工大学 | Embedded image processing system and method based on BF (blackfin531) processor |
| CN103325124A (en) * | 2012-03-21 | 2013-09-25 | 东北大学 | Target detecting and tracking system and method using background differencing method based on FPGA |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402779A (en) * | 2011-12-05 | 2012-04-04 | 昆明理工大学 | Digital watermarking processing system of BMP image |
-
2015
- 2015-07-01 CN CN201510378871.1A patent/CN105118074B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101477341A (en) * | 2009-01-21 | 2009-07-08 | 江南大学 | Built-in machine vision measurement and control system |
| CN102074003A (en) * | 2010-12-30 | 2011-05-25 | 中国科学院长春光学精密机械与物理研究所 | Mean shift-based embedded type image tracking system |
| CN103325124A (en) * | 2012-03-21 | 2013-09-25 | 东北大学 | Target detecting and tracking system and method using background differencing method based on FPGA |
| CN102663758A (en) * | 2012-04-20 | 2012-09-12 | 北京工业大学 | Image acquiring and processing method based on FPGA (field programmable gate array) serving as control core |
| CN102634632A (en) * | 2012-05-09 | 2012-08-15 | 湖南镭目科技有限公司 | System and method for detecting temperature of converter flame |
| CN103079051A (en) * | 2012-12-19 | 2013-05-01 | 华南理工大学 | Embedded image processing system and method based on BF (blackfin531) processor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105118074A (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111354042B (en) | Feature extraction method and device of robot visual image, robot and medium | |
| US20210233275A1 (en) | Monocular vision tracking method, apparatus and non-transitory computer-readable storage medium | |
| US11610373B2 (en) | Method of generating three-dimensional model data of object | |
| KR102476016B1 (en) | Apparatus and method for determining position of eyes | |
| EP3258441A1 (en) | Template creation device and template creation method | |
| JP6684475B2 (en) | Image processing apparatus, image processing method and program | |
| JP2007129709A (en) | Method for calibrating imaging device, method for calibrating imaging system including arrangement of imaging devices, and imaging system | |
| CN110517209B (en) | Data processing method, device, system and computer readable storage medium | |
| CN113409391B (en) | Visual positioning method and related device, equipment and storage medium | |
| US20220319050A1 (en) | Calibration method and apparatus, processor, electronic device, and storage medium | |
| CN113361365B (en) | Positioning method, positioning device, positioning equipment and storage medium | |
| CN112750168B (en) | Calibration method and device for internal parameters of event camera, computer equipment and storage medium | |
| CN104156998A (en) | Implementation method and system based on fusion of virtual image contents and real scene | |
| CN111612852A (en) | Method and apparatus for verifying camera parameters | |
| CN111325798B (en) | Camera model correction method, device, AR implementation equipment and readable storage medium | |
| CN114022560A (en) | Calibration method and related device and equipment | |
| CN112102404B (en) | Object detection tracking method and device and head-mounted display equipment | |
| CN111798521A (en) | Calibration method, calibration device, storage medium and electronic equipment | |
| CN110673607A (en) | Feature point extraction method and device in dynamic scene and terminal equipment | |
| CN107704106B (en) | Attitude positioning method and device and electronic equipment | |
| CN111161348A (en) | Monocular camera-based object pose estimation method, device and equipment | |
| CN110487194B (en) | Three-dimensional deformation optical measurement method and device based on single camera | |
| CN117788686A (en) | Three-dimensional scene reconstruction method and device based on 2D image and electronic equipment | |
| CN111951211B (en) | Target detection method, device and computer readable storage medium | |
| CN105118074B (en) | A kind of image processing system and the method with system acquisition upper atmosphere temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20210701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |