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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2008  >  30(4): 420-423
Wang Dongqiang, Li Wendong, Liu Zonglin, Ci Xinghua, Yang Xiaoming, Zheng Ronger. A METHOD FOR EXTRACTING CHARACTERISTICS OF IMAGE TEXTURE AND IDENTIFYING OF CUTTINGS BY FOURIER TRANSFORM[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(4): 420-423. doi: 10.11781/sysydz200804420
Citation: Wang Dongqiang, Li Wendong, Liu Zonglin, Ci Xinghua, Yang Xiaoming, Zheng Ronger. A METHOD FOR EXTRACTING CHARACTERISTICS OF IMAGE TEXTURE AND IDENTIFYING OF CUTTINGS BY FOURIER TRANSFORM[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(4): 420-423. doi: 10.11781/sysydz200804420
shu

A METHOD FOR EXTRACTING CHARACTERISTICS OF IMAGE TEXTURE AND IDENTIFYING OF CUTTINGS BY FOURIER TRANSFORM

doi: 10.11781/sysydz200804420
  • 1.

    Ocean University of China, Qingdao, Shandong 266100, China

  • 2. Shengli Geological Drilling Company, Dongying, Shandong 257064, China

  • Received Date: 2007-05-31
  • Rev Recd Date: 2008-06-23
  • Publish Date: 2008-07-28
    Abstract
  • In the process of logging,it's quite slow for human eyes to identify the cuttings made by the PDC bit.In order to extracting characteristics of cuttings' image texture effectively,using the algorithm of circular Fourier spectral energy,the image's spectral energy in different frequency ranges is classified.Hence the distribution ratio of the spectral energy is calculated and taken as the characteristic.With the basis of the results of artificial identifying,the characteristics of the standard samples are taken as the training characteristics to test the ones of the random samples using Bayes classifier in the identifying process.The reliability of the method is also tested.It proved that the method was relatively good to analyze the character of cuttings with an identifying accuracy 99.44% for mudstone.

     

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