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Study on High Precision Image Measurement Technology

Author: ZhouWanZhi
Tutor: HanBaoJun
School: Xi'an University of Electronic Science and Technology
Course: Control Theory and Control Engineering
Keywords: Image Measurement Noise suppression Image Segmentation Distortion correction Edge Detection
CLC: TP391.41
Type: Master's thesis
Year: 2009
Downloads: 293
Quote: 7
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Pursue the goal of measuring system to improve measurement accuracy . Precision image measurement system in pursuit of this goal , encountered many technical problems , the main problem is how to eliminate the noise caused by the hardware system and environmental factors , uneven illumination and image distortion and distortion . Effective method to solve these problems is to preprocess the obtained image , noise suppression , the image distortion correction and edge accurate positioning. This article comprehensively and systematically describes the origin of the image measuring the level of technological development at home and abroad and image measurement in medical diagnosis, sports analysis , the field of application prospects of the robots and unmanned exploration of the universe , in a detailed study of the basis of the analysis of the impact of image measurement accuracy factors , emphasis was to start from the algorithm , in-depth research and analysis on the measurement system involves image pre-processing methods and high-precision image measuring technology , mainly include the following : According to the source of the noise , the type and the current image noise suppression method , given a composite noise suppression method ; proposes an improved fast watershed image segmentation algorithm , the algorithm effectively solved divided over the problem of the original algorithm , to overcome the many improvements to the algorithm computational complexity increases too much shortcomings ; study analyzed the edge positioning in the research and analysis the distortion types based on the analysis of the system summarizes today 's more advanced nonlinear distortion correction method given constructive comments on the problem of how to select an image distortion correction method ; the source of the error , and image measurement system and the impact of these errors on the measurement accuracy of the image measurement system and reduce or eliminate the error of effective methods to do to introduce and analyze .

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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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