PCA-based method for 3D shape recovery o
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Muhammad Tariq Mahmood; Wook-Jin Choi; Tae-Sun Choi
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Article
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2008
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John Wiley and Sons
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English
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## Abstract This article introduces a new algorithm for shape from focus (SFF) based on discrete cosine transform (DCT) and principal component analysis (PCA). DCT is applied on a small 3D neighborhood for each pixel in the image volume. Instead of summing all focus values in a window, AC parts of