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The Design and Realization of Embedded System for Evaluating Fabric Drapability

Author: LuoCheng
Tutor: LiDeJun
School: Wuhan Institute of Science and Technology
Course: Physical Electronics
Keywords: Fabric Drape Properties Image processing Adaptive filtering Contour Extraction
CLC: TP391.41
Type: Master's thesis
Year: 2009
Downloads: 10
Quote: 0
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Abstract


Drape phenomenon refers to a fabric due to weight and sagging deformation phenomenon , is an important factor for determining the visual aesthetics of the fabric . The main task of the subject is : through build DSP as the core processing chip test system , real-time access to drape images , the drape image processing , fast, simple , and effective determination of Fabric Drape . The subjects completed the main work includes : ( 1 ) with reference to various design of DSP development platform , the completion of each sub-module of the hard and software design , DSP image processing test system developed a set of requirements for the project implementation process in the system , the application of a variety of innovative design , take full advantage of the hardware interface , the software greatly enhance the performance , test accuracy is improved . ( 2 ) the completion of the conventional fabric draping and style indicators experiment , corrected based on the test results of the classic test instruments to improve measurement accuracy ; ( 3 ) analysis of the blind spot of the old instruments and test ideas through analysis of the characteristics of the dynamic drape re- corrected objective evaluation system , and has a certain acceleration , the variation of the relevant parameters , and put forward a new evaluation of dynamic drape evaluation parameters - elegant coefficient of . (4 ) by the characteristics of the fabric drape image image edge detection algorithm to improve the application of adaptive filtering techniques , radial contour scanning algorithm in the special context of the last by Expand extracted ripple characteristic curve obtained various test indicators , and enhance the ability of the system test . With traditional testing methods based on optical projection principle , or the method compared to the PC application software to capture images through a complex mechanical structure processing , the test system used a DSP image processing technology , with high speed , high efficiency and high precision , mobile, portable and other advantages . Moreover, it can not only measuring in general fabric drape instrument measured all the indicators , you can also get other rich indicators , including aesthetic the coefficient and elegant coefficient , able to better evaluate the drape of the fabric performance .

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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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