SIFT-based image registration method, device and system and storage medium

The invention discloses an SIFT-based image registration method, device and system and a storage medium, and the method comprises the steps: obtaining a to-be-registered image and a reference image, carrying out the preprocessing of the to-be-registered image, and constructing a Gaussian difference...

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1. Verfasser:	WU BINGYE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS
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creator	WU BINGYE
description	The invention discloses an SIFT-based image registration method, device and system and a storage medium, and the method comprises the steps: obtaining a to-be-registered image and a reference image, carrying out the preprocessing of the to-be-registered image, and constructing a Gaussian difference scale space; extreme points in different scale spaces in the Gaussian difference scale space are obtained, feature points are selected according to the extreme points, and feature descriptors are generated for the feature points; calculating a local information entropy of the feature point field, and determining a final feature descriptor of the feature point according to the local information entropy and the feature descriptor; and optimizing feature point matching according to a genetic algorithm, generating a matching point pair, and correcting the matching point pair to complete image registration of the to-be-registered image. According to the method, the number of feature points needing to be matched and the
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subjects	CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS
title	SIFT-based image registration method, device and system and storage medium
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