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| APPLICATION OF PSEUDO COLOR ENHANCEMENT METHOD TO GEOTECHNICAL CT IMAGE ANALYSIS |
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Abstract As a non-destructive and non-invasive technique，CT technique has been successfully used to detect internal fracturing process of soil and rock. In previous geotechnical CT image analysis，CT data are transformed into gray-scale images as usual. However，it is well known that human vision is less sensitive to difference between gray-scale pixels than that between color ones，so the detailed distribution of CT number is not easily recognized based on gray-scale CT images. In order to improve the discriminability，a pseudo color enhancement method based on gray-scale-color transform is used for geotechnical CT image，and some of gray-scale CT images are enhanced using this method. It clearly shows that the enhanced CT images can be more easily discriminated than gray-scale ones.
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Received: 10 February 2003
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WANG Zhaoyu1, 2, ZHAO Weihua1, 2*, JU Nengpan1, 2, LIN Qinghua1, 2, TAN Lin1, 2, HU Xiaolong1, 2. Constitutive model for shear creep behavior of fault gouge containing crushed rock#br#[J]. , 2026, 45(4): 1266-1276. |
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