Radar target extraction method based on edge detection

Radar target extraction method based on edge detection

The invention discloses a radar target extraction method based on edge detection. Radar data are processed in an image mode. The specific implementation processing flow is as follows: the processing flow is as follows; dynamically solving each triggered noise threshold according to the radar echo am...

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Hauptverfasser: MO HONGFEI, CHAO HONGGUANG, HOU XIAOLI, WANG YONGJUN, YE ZHONGYAN, SUN XINZHE, ZHAO HAILIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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creator MO HONGFEI
CHAO HONGGUANG
HOU XIAOLI
WANG YONGJUN
YE ZHONGYAN
SUN XINZHE
ZHAO HAILIN
description The invention discloses a radar target extraction method based on edge detection. Radar data are processed in an image mode. The specific implementation processing flow is as follows: the processing flow is as follows; dynamically solving each triggered noise threshold according to the radar echo amplitude; filtering the original data by applying a noise threshold; and performing edge detection onthe filtered data by using a sobel operator, eliminating inaccuracy caused by edge thickness by using a non-maximum suppression part, solving a threshold value by using accumulated residual entropy for an eliminated gradient value, performing further filtering on the edge according to the threshold value, and performing envelope extraction on new edge data to realize radar target extraction. Themethod has the advantages that in a complex environment and under the condition of low radar resolution, the edges in multiple directions are solved from the perspective of envelope, and the edges areeffectively filtered, so t
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Radar data are processed in an image mode. The specific implementation processing flow is as follows: the processing flow is as follows; dynamically solving each triggered noise threshold according to the radar echo amplitude; filtering the original data by applying a noise threshold; and performing edge detection onthe filtered data by using a sobel operator, eliminating inaccuracy caused by edge thickness by using a non-maximum suppression part, solving a threshold value by using accumulated residual entropy for an eliminated gradient value, performing further filtering on the edge according to the threshold value, and performing envelope extraction on new edge data to realize radar target extraction. 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subjects CALCULATING
COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
title Radar target extraction method based on edge detection
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