System and method for carrying out texture feature extraction and structured description on video images

A technology of structured description and texture features, applied in image data processing, image enhancement, image analysis, etc., to achieve the effects of saving manpower, wide application range, effective operation and management

Active Publication Date: 2013-01-30
THE THIRD RES INST OF MIN OF PUBLIC SECURITY
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Problems solved by technology

[0004] As an important image visual feature, image texture feature has important application value in image retrieval and video image analysis, but in the existing technology, there is no image texture feature extraction and structured description based on embedded system Aspect related solutions

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  • System and method for carrying out texture feature extraction and structured description on video images
  • System and method for carrying out texture feature extraction and structured description on video images

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Embodiment Construction

[0038] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0039] see figure 1 , the present invention proposes a video image texture feature extraction and structured description system 100 based on an embedded system, which includes: a dual-core DSP digital signal processor chip 108, a video image acquisition module 101, and an image A\D sampling module 102 , image segmentation module 103, two-dimensional Gabor wavelet module 104, texture feature extraction module 105, classification discrimination module 106, structured description module 107, query, retrieval and browsing module 113 and external high-speed dynamic memory SDRAM (110), external program and Data storage 111 , USB interface device 112 and power control module 109 .

[0040] Wherein, the video image acquisition module 101 is sequentiall...

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Abstract

The invention discloses a system and a method for carrying out texture feature extraction and structured description on video images. According to the invention, under the control of a dual-core DSP (digital signal processor) chip, a video image acquisition module carries out real-time acquisition on an image, and after the image is processed through an A/D (analog to digital) sampling module, the image is subjected to segmentation so as to obtain a plurality of sub images; a two-dimensional Gabor wavelet module carries out filtering processing on the sub images, and then through carrying out extraction on the sub images by using a texture feature extraction module, the texture features of the sub images are obtained; a classification and discrimination module carries out features matching with a Brodatz standard texture library according to the extracted texture features; and finally, a structured description module carries out structured description on the texture features and the classification and discrimination results concerning the attributes and contents of the image. According to the method provided by the invention, texture features can be extracted from unstructured video image information and subjected to structured description, so that the querying, searching and browsing of the contents of video images can be realized, thereby facilitating the effective application and management of video monitoring.

Description

technical field [0001] The present invention relates to the field of video image processing, in particular to the technical field of image texture feature extraction, in particular to a method for extracting video image texture features and structured description based on an embedded system. Background technique [0002] With the rapid development of science and technology, video surveillance technology is changing with each passing day. The current video surveillance is mainly based on manual monitoring and manual review of video data to find evidence and clues. The existing raw video image data is a kind of unstructured data that is difficult to retrieve and query. If you need to find a certain clue or detail through video recording, you must use the method of manually accessing the video clips of the video recording to conduct A complete analysis consumes a lot of manpower and material resources. In view of this situation, how to search for images of interest to people ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/40G06T5/00G06F17/30
Inventor 汤志伟刘云淮梅林齐力沈冬青李震宇杨明江洪李万才陈龙虎李盼王波
Owner THE THIRD RES INST OF MIN OF PUBLIC SECURITY
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