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The residual signal gained after motion estimation needs to be transformed and quantized prior to entropy coding in H.264/AVC. In many cases, especially in low bitrate situation, the probability that obtain all zero quantized coefficients block (AZB) is high. In this paper, we study the characteristics of 4??4 integer transform first, and then we use the divide and rule strategy to inverse the formulae...
Measurement of visual quality is of fundamental importance to many image and video processing applications. Traditionally, quality assessment metrics predict visual quality following the paradigm of modeling the known properties of the Human Visual System (HVS). The Structural Similarity (SSIM) index is a new approach which assumes that the HVS is highly adapted for extracting structural information...
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