Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/47527
Title: HIGH-THROUGHPUT AREA-EFFICIENT INTEGER TRANSFORMS FOR VIDEO CODING
Authors: DO THI THU TRANG
Keywords: H.264/AVC, High Efficiency Video Coding (HEVC), Integer Transform, High-Throughput, Architecture, Fast Algorithm, Partial Butterfly
Issue Date: 25-Jan-2013
Source: DO THI THU TRANG (2013-01-25). HIGH-THROUGHPUT AREA-EFFICIENT INTEGER TRANSFORMS FOR VIDEO CODING. ScholarBank@NUS Repository.
Abstract: Integer transform is one of the most important coding tools in the latest video compression standards, H.264/AVC and HEVC. In this thesis, for H.264/AVC, we propose novel shared forward and inverse transform engines; develop three SoC transform architectures; and propose a novel performance-cost metric to support comprehensive comparisons among transform designs. The proposed architectures out-perform other reported designs in terms of throughput and area-efficiency despite a tight constraint on I/O bus widths. For the HEVC, we first propose a novel optimization method for scalar-multiplication-containing algorithms. Experimental results show that both the running time and cost of the implementations generated by the method are about 90% less than those of the original algorithms. Next, by applying the method to the Partial Butterfly transform algorithms, we introduce a series of hardware-oriented fast and low-cost forward transform algorithms. Finally, we fabricate a high-throughput and area-efficient QFHD transform architecture based on the proposed algorithms.
URI: http://scholarbank.nus.edu.sg/handle/10635/47527
Appears in Collections:Ph.D Theses (Open)

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