2009
DOI: 10.4028/www.scientific.net/kem.416.603
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Yong Zhi Lin, Xian Li Liu, Hai Ying Han, Yi Wen Wang, Peng Wang

Abstract: Taking MATLAB as the experimental platform, the detection and recongnition method of steel ball surface defect is put forward. With the method, we could determine whether there are surface defects or not, and identify the types of defects. The process of detection and recognition is as follows: Firstly, two-time wavelet de-noising treatment of the steel ball image is achieved by means of ecomposition, quantization of threshold and recongnition of Sym4 wavelet function, afterward, many collected noise of the st…

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