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Keywords: discrete wavelet transformsClose
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2007, 129(5): 926–933.
Published Online: May 3, 2007
... the suspicious seam-containing images to one-dimensional sequences. Discrete wavelet transform is then performed on the sequences for feature extraction. Finally, a T 2 control chart is established based on the extracted features to distinguish real seams from false positives. The snake-projection method has two...