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A method and device for image fusion of total variation and structure tensor

A structure tensor and image fusion technology, applied in the field of image fusion, can solve the problems affecting the solution speed, nonlinearity, slow minimization speed, etc., and achieve good fusion effect, rich texture information and detail information

Active Publication Date: 2021-05-14
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

However, the Euler-Lagrangian equation obtained by this method is often nonlinear and non-differentiable, and due to its slow minimization speed, it will affect the solution speed

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  • A method and device for image fusion of total variation and structure tensor
  • A method and device for image fusion of total variation and structure tensor
  • A method and device for image fusion of total variation and structure tensor

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[0088] 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 making creative efforts shall fall within the protection scope of the present invention.

[0089] The terms "first", "second", "third", "fourth" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily to describe specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate ...

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Abstract

The present invention proposes a method and device for image fusion of total variation and structure tensor. The total variation TV model uses the structure tensor of the image to obtain the target gradient field of the fused image, and uses the Soft-Max function to soften the target gradient field. The weight of the gradient field, put the fusion gradient field into the regular term of the TV model, ensure that the gradient field of the fusion image is close to the target gradient field, use the split Bregman algorithm to solve the new TV model, and obtain the final fusion image. The scheme can better express the characteristics of the image, perfectly combine the low-light texture information with the salient features of the infrared image, and achieve a better fusion effect, which can completely retain the rich texture information and detail information, and the image transition nature.

Description

technical field [0001] The invention relates to the field of image fusion, in particular to an image fusion method and device of total variation and structure tensor. Background technique [0002] As a branch of information fusion, image fusion is a comprehensive high-tech including signal processing, image processing, computer technology, image detector technology and other fields. Image fusion extracts information from multiple images acquired in a certain scene, and finally synthesizes two or more images containing diverse and redundant information into a new image with richer information. Fused images overcome the limitations of a single image in terms of spatial resolution, physical properties, temporal resolution, and spectral information, and can better support the positioning, identification, and understanding of important targets. [0003] Information fusion between infrared (IR) and visible light (VI) sensors is currently the most widely used and most practical fu...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/50G06T7/33
CPCG06T5/50G06T2207/10048G06T2207/20221G06T7/33
Inventor 程博阳金龙旭李国宁
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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