Journal of Shanghai Jiaotong University ›› 2013, Vol. 47 ›› Issue (09): 1482-1486.

• Automation Technique, Computer Technology • Previous Articles    

Feature Extraction and Corresponding Processing of Rock Surface Image
 

YU Chunping1a,GUO Qiang1b,LIAO Zhengbiao2,LIANG Zhiwei3
  

  1. (1a. School of Naval Architecture, Ocean and Civil Engineering, 1b. Hike (Group) Co. Ltd., Shanghai Jiaotong University, Shanghai 200240, China; 2. Tianjin Cement Industry Design and Research Institute Co. Ltd., Tianjin 300400, China; 3. Guangzhou Salvage Bureau, Ministry of Transport, Guangzhou 510260, China)
  • Received:2012-12-05 Online:2013-09-28 Published:2013-09-28

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: