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The triaxial test soil samples deformed digital image measurement implementation

Author: LiuYongLu
Tutor: ShaoLongTan；LiJun
School: Dalian University of Technology
Course: Optics
Keywords: Triaxial test CCD camera Digital Image Processing Edge Detection Demarcate
CLC: TP391.4
Type: Master's thesis
Year: 2002
Downloads: 163
Quote: 8
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Abstract


Dimensional measurement technology is an important means to solve the high-precision measurement of the specimen . Need in triaxial soil mechanics experiments soil samples of the radial and axial Deformation length measurement , in order to obtain the mechanical properties of the soil . Triaxial test deformation measurement methods , there are many flaws and shortcomings need a new measurement tool to improve . In this paper, a dimensional measurement method and system . Its basic principle is to use the CCD image sensor to Get soil sample image information , collected by the image plate into the computer after A / D conversion and preprocessing of digital image processing , demand unearthed kind in radial width and axial height of the different time data , and after the system error correction , thus accurate unearthed kind of deformation . At the same time , a CCD image sensor to measure the amount of the triaxial test drains readings change . The application of this system in the triaxial test , has achieved very good results . This article focuses on examples of several applications .

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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
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