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Low-complexity GMM-based block quantisation of images using the discrete cosine transform

โœ Scribed by Kuldip K. Paliwal; Stephen So


Book ID
108150925
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
448 KB
Volume
20
Category
Article
ISSN
0923-5965

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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