Architecture design of a scalable adaptive deblocking filter for H.264/AVC

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Title: Architecture design of a scalable adaptive deblocking filter for H.264/AVC
Author: Ernst, Eric
Abstract: Due to significant bit-rate savings and improved perceptual quality, H.264/AVC, the latest video compression standard from the Joint Video Team, is receiving widespread adoption. Greater coding efficiency relative to previous standards is a result of additional techniques and features. One important change is the inclusion of an in-loop deblocking filter for removal of blocking artifacts. Since the filter can easily account for one-third of the computational complexity of a decoder, its addition was a source of debate during the development of the H.264/AVC standard. Ample research on architecture design of the deblocking filter has been carried out, generally targeted toward high performance profiles. To the best of our knowledge no other research investigated designs that can be scaled from low-power extended profiles up to high performance profiles. This work investigated the design of a scalable architecture for the deblocking filter. Four different designs were implemented. The relative performance of the designs were then compared against each other and existing research through simulation. All designs were targeted towards a Xilinx Virtex 5 field programmable gate array (FPGA).
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Date: 2007-07

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