Different-source image registration method and system based on spatio-temporal joint information

Different-source image registration method and system based on spatio-temporal joint information

The invention provides a different-source image registration method and system based on spatio-temporal joint information, and solves the problem of low registration precision caused by large gray difference and inaccurate feature information positioning of infrared and visible light different-sourc...

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Hauptverfasser: LIU SIQI, YANG BEIER, LI FANG, TANG SHANJUN, ZHAO BINGQING
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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creator LIU SIQI
YANG BEIER
LI FANG
TANG SHANJUN
ZHAO BINGQING
description The invention provides a different-source image registration method and system based on spatio-temporal joint information, and solves the problem of low registration precision caused by large gray difference and inaccurate feature information positioning of infrared and visible light different-source images. According to the method, a step-by-step registration frame is adopted, and a motion foreground in a scene is extracted in a foreground extraction and preprocessing process and used for calculation of a subsequent motion vector field; in the coarse registration process, foreground contour registration is completed, and targets in a scene are roughly aligned; in the precise registration process, precise matching of intra-frame feature points is completed, and spatial transformation matrix parameters are obtained through a matching library updated frame by frame. Test results of real acquisition of infrared and visible light sequence images show that accurate positioning of feature information of the differe
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subjects CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
title Different-source image registration method and system based on spatio-temporal joint information
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