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Mathematic Model and Computer Image Processing for the Configuration of Continuous Twisted Threads

Author: WangJianHong
Tutor: GuPing
School: Suzhou University
Course: Textile Material and Textiles Design
Keywords: Long filament twisting morphology Mathematical Modeling Image processing
CLC: TS101.92
Type: Master's thesis
Year: 2002
Downloads: 83
Quote: 1
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Abstract


This paper is to study the characterization of the morphology of filament twisted yarns , mathematical modeling and computer image processing . Changes in one part of the actual yarn under the microscope , and theoretical knowledge , use of the yarn morphology were established and twisting the strands and the theoretical model of cohesion line . Programming with Visual C 6.0 , to processing the the actual yarn scan picture . Extracted from a scanned image of the yarn , the color part and for binarization, corrosion and expansion of the noise removal processing , edge detection , and the contour extracting image processing to obtain the edge contour of the yarn . The feature value extracted from scanned photographs , the outer diameter of the yarn , an inner diameter , pitch , tilt angle , etc. , as well as by the edge contour value the least squares curve fitting from the theoretical calculation of the curve with a mathematical model feature value and curve comparison. Due to the force of impact when the frictional resistance between the twisting yarn and twisting , there are some differences in the values, and the curve of the theoretical characteristics of the yarn characteristic value with model .

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