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Pyramid image merging method being integrated with edge and texture information

A technology of pyramid image and texture information, applied in image enhancement, image data processing, instruments, etc., can solve problems such as poor performance, poor displacement invariance, and affecting the effect of image fusion, and achieve the effect of improving image quality

Inactive Publication Date: 2004-11-10
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

However, due to the asymmetry of the wavelet, the performance in terms of displacement invariance is poor, which affects the effect of image fusion.
Therefore, a new pyramid image fusion method based on pyramid decomposition is developed to avoid the disadvantage of poor displacement invariance caused by wavelet, and to make up for the shortcomings of the traditional pyramid structure pyramid image fusion method in extracting texture features and edge features. very necessary

Method used

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  • Pyramid image merging method being integrated with edge and texture information
  • Pyramid image merging method being integrated with edge and texture information
  • Pyramid image merging method being integrated with edge and texture information

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Embodiment Construction

[0020] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] In the embodiment of the present invention, the two images to be fused are respectively image 3 (a) shows the visible light image and image 3 (b) represents the forward-looking infrared image, and the pyramid image fusion method that integrates edge and texture information is used according to figure 1 The flow shown is carried out, and the pyramid decomposition and reconstruction structure adopted is as follows figure 2 shown. The specific implementation details of each part are as follows:

[0022] 1. Establish a structure based on edge and texture information pyramid decomposition and reconstruction

[0023] Decomposing an image into a pyramid representation that synthesizes texture and edge information needs to satisfy the reconstruction condition, as shown in formula (1):

[0024] ( ...

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Abstract

The invention is an edge- and texture- data synthesized pyramid image fusion method, firstly establishing a pyramid structure based on edge and texture features, considering the linear relations between binomial Gauss filter and texture extraction filter as well as edge extraction filter, adopting singular value decomposition to find the corresponding coefficient of the edge and texture images, then utilizing these features of each scale image to express each layer of the decomposed image, and finally make fusion by the fusion policy based on similarity measure and remarkability measure. It largely improves the quality of the image by a large margin and has an important significance and practical value in the follow-up treatment and image display of various application systems.

Description

Technical field: [0001] The invention relates to a pyramid image fusion method that integrates edge and texture information, is a pyramid image fusion method in the field of information fusion, and can be widely used in optical imaging, target monitoring, security inspection and other systems. Background technique: [0002] Image fusion technology is the fusion of visual information in multi-sensor information fusion. It uses different imaging methods of various imaging sensors to provide complementary information for different images, increase the amount of image information, reduce the amount of original image data, and improve adaptability to the environment. In order to obtain more reliable and accurate useful information for observation or further processing. Image fusion technology is an emerging technology that integrates sensors, signal processing, image processing and artificial intelligence. In recent years, it has become a very important and useful image analysis ...

Claims

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Application Information

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IPC IPC(8): G06T5/00
Inventor 敬忠良刘刚孙韶媛
Owner SHANGHAI JIAO TONG UNIV
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