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Image Coding using 2-D Anisotropic Dual-Tree Discrete Wavele...
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Signal Processing
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A detection algorithm for zero-quantized DCT coefficients in JPEG
13 years 11 months ago
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The discrete cosine transform (DCT) is widely used in image/video coding standards. However, since most DCT coefficients will be quantized to zeros, a large number of redundant co...
Jin Li, Jarmo Takala, Moncef Gabbouj, Hexin Chen
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