›› 2017, Vol. 38 ›› Issue (10): 3062-3066.doi: 10.16285/j.rsm.2017.10.036

• Testing Technology • Previous Articles     Next Articles

Recognition of structural planes in borehole image based on characteristic function

WANG Chuan-ying1, ZOU Xian-jian1, 2, HAN Zeng-qiang1, WANG Jin-chao1, WANG Yi-teng1   

  1. 1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei 430071, China; 2. School of Electronic Information, Wuhan University, Wuhan, Hubei 430072, China
  • Received:2015-11-12 Online:2017-10-10 Published:2018-06-05
  • Supported by:

    This work was supported by the National Natural Science Foundation of China (41402278, 41372317).

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Abstract: For the borehole image obtained by digital panoramic borehole camera system, a method for recognizing structural plane is described based on characteristic function. According to the sinusoidal shaped characteristics of borehole side-wall discontinuities in the image, the method adopts standard sine function as characteristic function. The recognition of borehole structural plane is realized by changing the function parameters to match the nearby pixel grey gradient distribution and by choosing the best matching sine curve as the characteristic curve of structure plane. The method ignores the traditional process of manual selecting characteristic points and fitting characteristic curve. It provides a practical and effective way for the automatic recognition of borehole structural planes in engineering application with good stability and high accuracy.

Key words: borehole image, structural plane, characteristic function, iterative matching

CLC Number: 

  • P 631.8

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