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Synthetic aperture radar (SAR) image high-speed processing system and method based on parallel digital signal processors (DSPs)

A technology of high-speed processing and processing methods, applied in the field of image processing, can solve problems such as inflexible image format and size, difficulty in utilizing DSP processing capabilities, and difficulty in completing manual intervention, so as to overcome unbalanced load, fast processing speed, and high utilization rate. high effect

Active Publication Date: 2013-05-22
XIDIAN UNIV
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Problems solved by technology

However, the shortcomings of this image processing platform are: first, because the original image is acquired by a decoder chip, the format and size of the image that can be processed is not flexible enough; second, the module for preprocessing and comprehensive processing is composed of the main DSP, parameter setting It is difficult to complete manual intervention; third, the parallel mode between the core processing module and the DSP processor is single, and it is difficult to exert the processing capacity of the DSP

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  • Synthetic aperture radar (SAR) image high-speed processing system and method based on parallel digital signal processors (DSPs)
  • Synthetic aperture radar (SAR) image high-speed processing system and method based on parallel digital signal processors (DSPs)
  • Synthetic aperture radar (SAR) image high-speed processing system and method based on parallel digital signal processors (DSPs)

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Embodiment Construction

[0052] Combine below figure 1 The system of the present invention is further described.

[0053] The system of the present invention comprises an upper computer module, a control center module, an extended storage module and a data processing module; the upper computer module is connected with the control center module through a USB interface of a universal serial bus, and a plurality of data processing modules are respectively connected through a link port LinkPort It is connected with the control center module, and the expansion storage module is connected with the control center module. in:

[0054] The upper computer module is composed of an upper computer PC and upper computer software with at least one universal serial bus USB interface, used to store and display the original image and the result image, set the processing parameters, and carry out block preprocessing to the image .

[0055] The control center module is composed of a field programmable gate array FPGA, a...

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Abstract

The invention discloses a synthetic aperture radar (SAR) image high-speed processing system and method based on parallel digital signal processors (DSPs). The SAR image high-speed processing system is composed of an upper computer module, a control center module, an extended storage module and a plurality of data processing modules. An upper computer is used for storing and displaying SAR images, setting algorithms and parameters, performing preprocessing and blocking and transmitting data and the parameters to the control center module through a universal serial bus (USB). The control center module temporarily stores the data in the extended storage module, transmits the data to the plurality of data processing modules through a link port, and timely performs task scheduling. The data processing modules process the data and transmit the result back to a control center after data processing, and the control center submits the result to the upper computer for result splicing and displaying. The SAR image high-speed processing system and method have the advantages of being wide in application range, strong in expansibility and fast in processing, and can be used for processing the SAR images at high speed.

Description

technical field [0001] The invention belongs to the technical field of image processing, and further relates to a high-speed processing system and method for Synthetic Aperture Radar (SAR) images based on a parallel digital signal processor (Digital Signal Processor, DSP) in the technical field of digital signal processing. The present invention utilizes a SAR image high-speed processing system and method composed of multiple digital signal DSP processors, which can realize high-speed processing of large data volume SAR images. Background technique [0002] Synthetic Aperture Radar (SAR) has the characteristics of all-weather, all-time work and strong penetration, and has very important applications in the fields of national economy and military applications. However, the amount of synthetic aperture radar SAR image data is large, the processing algorithm is complex, and the execution time is long, so a high-speed processing system is required. [0003] The patent applicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T1/20G06F9/50
Inventor 焦李成侯彪李博学马文萍马晶晶张向荣王爽
Owner XIDIAN UNIV
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