Optical remote sensing image registration method and system under fog and haze weather conditions

Abstract

The invention relates to a registration method and system for optical remote sensing images under foggy weather conditions, wherein the method includes the following steps: acquiring a reference image and an optical remote sensing image to be registered; The characteristics of the remote sensing image; compare the threshold of the neighborhood and the local pull-up binary pattern to obtain the local pull-up binary pattern image corresponding to the reference image and the optical remote sensing image; calculate two local pull-up binary patterns according to the accelerated robust feature algorithm The matching line pair of the image; the matching line pair is processed according to the random sample consistency algorithm to obtain the projection transformation matrix; based on the projection transformation matrix, the optical remote sensing image is projected and transformed with reference to the reference image to obtain the registered image. The basic principle of the invention is simple, the function library is mature, and high-precision registration of optical remote sensing images under foggy weather conditions can be realized, and the invention can be directly applied to the processing of remote sensing satellite products, and has strong practicability.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an optical remote sensing image registration method and system under haze weather conditions. Background technique [0002] Optical remote sensing satellites have imaging advantages such as high resolution, large width, and multi-spectrum, and their remote sensing products have become one of the important means of obtaining information about people's lives. Optical remote sensing satellites adopt passive imaging to obtain high-precision ground remote sensing information. At this stage, most optical satellites adopt multiple spectral simultaneous imaging techniques to obtain different spectral characteristics of ground objects, and then fuse information from different spectral segments. Spectral image registration is the premise of information fusion, and image registration technology is One of the important means for the development of optical remote sensing satellite p...

AI Technical Summary

Problems solved by technology

[0003] Based on this, it is necessary to provide a registration method and system for optical remote sensing images under fog and haze conditions, which can realize Fast, high-precision image registration can meet the follow-up production requirements of remote sensing products. At the same time, the local pull-up binary pattern extraction method designed by the present invention can also be applied to the field of target detection and recognition

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