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Multi-wavelet transform vector image fusion method

A multi-wavelet transform and image fusion technology, which is applied in the field of image processing and pattern recognition, can solve the problems of false contours, inconsistencies, and inability to reflect the characteristics of multi-wavelet transform vectors in fused images, so as to reduce false contours, better reflect them, and avoid inconsistencies. Effect

Inactive Publication Date: 2019-02-22
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] Aiming at the inconsistency between the two component sub-band decision graphs of the vector sub-bands existing in the existing image fusion method based on wavelet transform, the false contours are easily generated in the fused image and the vector characteristics of the multi-wavelet transform cannot be reflected, the present invention implements A method of vector image fusion based on multi-wavelet transform is presented as an example
The multi-wavelet transform vector image fusion method proposed in the embodiment of the present invention uses the local area statistical characteristics of multi-wavelet coefficient vectors to represent the significance of image information, effectively solves the problems existing in the existing wavelet transform image fusion methods, and effectively improve the quality of fusion images

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[0026] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstan...

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Abstract

The embodiment of the invention discloses a multi-wavelet transform vector image fusion method. The multi-wavelet transform vector image fusion method comprises the steps of performing wavelet decomposition, establishing statistical model, calculating fusion coefficients and obtaining final images. The multi-wavelet transform vector image fusion method disclosed in the embodiment of the inventioncan avoid inconsistency between vector sub-band decision diagrams, thereby reducing false contours generated in the final fusion image, improving fusion quality, and better embodying vector characteristics of the multi-wavelet transform.

Description

technical field [0001] The invention relates to the technical field of image processing and pattern recognition, in particular to a vector image fusion method of multi-wavelet transform bivariate symmetrical Alpha stable distribution. Background technique [0002] In recent years, wavelet transform has been widely used in the field of signal processing, and achieved very good results. At present, multi-wavelet transform has been widely used in image fusion technology, and the performance of this kind of wavelet transform fusion method mainly depends on the fusion criterion of the method. At present, the commonly used image fusion methods based on wavelet transform are: selecting the fusion method with the largest cross-directional sub-band contribution; the multispectral image vector fusion method based on norm; the multi-focus fusion method based on Canny edge detection. The problems of the above three methods mainly include the inconsistency between the decision graphs of...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50
CPCG06T5/50G06T2207/20064G06T2207/20221
Inventor 任航胡涛涛宋玉龙
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI