Image processing system and method obtaining upper atmosphere temperature by utilization of method

A technology of image processing and atmospheric temperature, applied in image data processing, TV system components, image enhancement, etc., can solve the problems of slow image processing speed and low precision, achieve diversified circuit design, save time, and improve stability sexual effect

Inactive Publication Date: 2015-12-02
XIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an image processing system, which solves the problems of slow image processing speed and low precision in the prior art

Method used

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  • Image processing system and method obtaining upper atmosphere temperature by utilization of method
  • Image processing system and method obtaining upper atmosphere temperature by utilization of method
  • Image processing system and method obtaining upper atmosphere temperature by utilization of method

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Experimental program
Comparison scheme
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Embodiment

[0051] Step 1: The CCD camera captures the airglow image of the upper atmosphere and enters the original image into the SD card (such as figure 2 shown);

[0052] Step 2: Insert the SD card into the card slot 10 of the FPGA development board 1;

[0053] Step 3: The NiosII embedded processor 2 obtains the image information from the SD card, and generates a digital image matrix and stores it in the SDRAM memory 4. The specific method is: decoding the image information to obtain the gray value of each pixel, The position of the gray value corresponds to the row and column position of the matrix to generate a digital image matrix, image 3 is the gray value of some pixels in the digital image matrix;

[0054] Step 4: Perform noise removal, center calibration and ring division processing on the digital image matrix in step 3, and average the grayscale values ​​on each ring to obtain the ring number and the grayscale average value on the ring. dimensional array, Figure 4 is a ...

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Abstract

The invention discloses an image processing system. The image processing system comprises an FPGA development board based on a Nios II embedded processor. An SDRAM controller, an LCD controller, a Nixie tube controller and a JTAG controller are arranged in the FPGA development board. The JTAG controller is connected with a PC machine through a USB-Blaster line. Through comparison of a measured value and a theoretical value, data proximal to the theoretical value in the measured values are found, and the temperature corresponding to the proximal data is the atmosphere temperature. When the provided method is compared with a before computer processing method, the processing speed is raised obviously, the method can be separated from manual work and carries out automatic processing, circuit design is diversified due to the Nios II embedded processor, software function addition and deletion are easy, hardware resource configuration is flexible, the transportability is strong, and the development cycle is short. Original fit images shot by a CCD are decoded directly without format conversion, complete image information is ensured, and the calculation precision is raised.

Description

technical field [0001] The invention belongs to the technical field of digital image processing, relates to an image processing system, and also relates to a method for obtaining the temperature of the upper atmosphere by using the system. Background technique [0002] From the mid-1980s to the early 1990s, the external structure of the plug-in image card tends to be miniaturized. By inserting the image card into the computer, an image acquisition system can be formed with the computer. Since the early 1990s, image processing equipment has been gradually divided into two categories. One is still the plug-in type, and with the maturity of the PCI bus technology, it replaces the products using the ISA bus interface; the other is a large-scale image card. An off-line image processing system that replaces a computer with an integrated circuit or special-purpose chip. Entering the 21st century, digital image processing technology has received extensive attention in many applicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/60G06T7/40G06T7/00H04N5/232
CPCG06T7/0004G06T7/60G06T2207/10036G06T2207/30192H04N23/60
Inventor 唐远河翟锋涛梁芮杨一晨庞体强
Owner XIAN UNIV OF TECH
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