Feature Extraction and Corresponding Processing of Rock Surface Image

Abstract

Abstract:

Basing on the comparison of several methods, this paper proposed systematic steps in extraction the features of rock surface image including image enhancement， binarization, edge extracting, Hough trasformation,etc. Besides, it proposed 3 restrictive conditions to reject the redundant line segments and gave the corresponding processing flow. In addition, it developed the software to test the feasibility of the method simultaneously. The result showed that the repetition rate of the line segments reduced significantly, which could indicate the distribution of the joints more precisely.

Key words: rock, surface image, joint feature, Hough transform, redundant line segment

CLC Number:

TP 37

YU Chunping1a,GUO Qiang1b,LIAO Zhengbiao2,LIANG Zhiwei3. Feature Extraction and Corresponding Processing of Rock Surface Image

[J]. Journal of Shanghai Jiaotong University, 2013, 47(09): 1482-1486.

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