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A Hierarchical Weighted Image Fusion Method Based on Original Image Content

A technology of image fusion and original image, applied in the field of image processing, can solve the problems of lack of control potential, inability to focus on display components, etc.

Active Publication Date: 2020-08-11
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such a method avoids artificial components, but also lacks the potential to control the expression of different information in the image, and cannot emphasize certain components according to requirements

Method used

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  • A Hierarchical Weighted Image Fusion Method Based on Original Image Content
  • A Hierarchical Weighted Image Fusion Method Based on Original Image Content
  • A Hierarchical Weighted Image Fusion Method Based on Original Image Content

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Embodiment Construction

[0045] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the implementation methods and accompanying drawings.

[0046] see figure 1 , the specific implementation steps of the present invention are as follows:

[0047] Step 1: For a pre-registered source image x of the same size N×M 1 and x 2 Sliding window processing is performed respectively to obtain t local image blocks W of size n×n 1 i and The number of local image blocks i={1,2,3...t}, t=(N M) 2 . Put each image block W 1 i and The pixels in are vectorized into a column in the order of first from left to right and then from top to bottom and The number i of each column is in one-to-one correspondence with the number i of the image block.

[0048] The above sliding window processing settings are as follows: the sliding step is 1, the sliding window is a square window of size ...

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Abstract

The invention discloses a layered weighted image fusion method based on original image content. The present invention is based on the nature of the pre-registration of the original image content and the fused image to perform layering to obtain the redundant layer and complementary layer of the source image, avoiding the information loss caused by training the sparse dictionary, and at the same time obtaining a smaller time complexity ; Then fuse the redundant layer and the complementary layer. In fusion image reconstruction, the fusion effect is controlled by adjusting the performance weight of the complementary layer in the result. Since the complementary layer and the redundant layer do not interfere with each other in the fusion process of the present invention, the complementary information can be directly reflected in the final result, so that the final fusion result of the present invention has an effect similar to that of image enhancement. The weight control of the present invention The method can make the method proposed by the present invention more suitable for the actual needs of human visual observation and machine processing. The invention can be used in the fields of image processing, computer vision, medical image processing, satellite remote sensing, military affairs and the like.

Description

technical field [0001] The invention belongs to the technical field of image processing, in particular to image fusion processing. Background technique [0002] Due to the performance limitation of the imaging sensor itself, it is difficult to fully describe the target scene information with a single imaging of a single sensor. Multiple source images are not conducive to human observation and machine processing. Image fusion technology synthesizes multiple source images containing different information into a fused image. This fused image inherits the redundant information between the source images while retaining complementary information as much as possible, which can describe the target scene information more comprehensively, thus Effectively increase the amount of information of the object, improve the utilization rate of image information, improve the accuracy and robustness of the system, reduce the uncertainty of the system, and expand the application range of the sy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/50G06T5/10G06T7/30
CPCG06T5/10G06T5/50G06T7/30G06T2207/20064G06T2207/20221
Inventor 孙彬胡凯杨琪邓桥
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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