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The Research and Application of Image Matching’s Algorithm

Author: ZhangYaoZong
Tutor: DuanFu
School: Taiyuan University of Technology
Course: Computer Software and Theory
Keywords: Image matching Template SIFT Feature Face
CLC: TP391.41
Type: Master's thesis
Year: 2010
Downloads: 348
Quote: 5
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Abstract


The image matching is a very important technology in the field of image information processing . Intensive research for a variety of image matching method . The two types of image matching method : using the pixel gray -related information matching and using some of the overall image or local feature match . Image matching algorithm is described in greater detail , the experimental classic and sophisticated algorithms , through analysis of its characteristics , the proposed image matching algorithm improvement ideas and direction . Standard template matching methods for its existence , the groundbreaking introduction of histogram as the match of \performance analysis , strengths and weaknesses , as well as applicable to the case . SIFT algorithm to describe the character of computing inefficient search and characteristics of the extreme points , proposed a fractal dimension - based search and ring descriptor SIFT matching algorithm ( SC - SIFT) . The algorithm SIFT algorithm in 3D extreme point search strategy is decomposed into two dimension -by- dimension search , while introducing a new cyclic characterization of operators instead of the original high-dimensional inefficient feature . Experiments show that the method can not only improve the efficiency of the implementation of the SIFT algorithm , but also improves the correct matching rate to achieve the optimization of SIFT algorithm . Video retrieval in a typical application : the students' attention and analysis system , this paper proposed a classic adaboost algorithm with histogram template matching method combined matching algorithm specialized face detection and matching experiments verified under certain assumptions environmental conditions , the superiority in speed and accuracy , thereby enhancing the practicality and reliability of the system .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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