A pipelined 8x8 2-D forward DCT hardware architecture for H. 264/AVC High profile encoder
Advances in Image and Video Technology: Second Pacific Rim Symposium, PSIVT …, 2007•Springer
This paper presents the hardware design of an 8x8 bi-dimensional Forward Discrete Cosine
Transform used in the high profiles of the H. 264/AVC video coding standard. The designed
DCT is computed in a separate way as two 1-D transforms. It uses only add and shift
operations, avoiding multiplications. The architecture contains one datapath for each 1-D
DCT with a transpose buffer between them. The complete architecture was synthesized to
Xilinx Virtex II-Pro and Altera Stratix II FPGAs and to TSMC 0.35 μ m standard-cells …
Transform used in the high profiles of the H. 264/AVC video coding standard. The designed
DCT is computed in a separate way as two 1-D transforms. It uses only add and shift
operations, avoiding multiplications. The architecture contains one datapath for each 1-D
DCT with a transpose buffer between them. The complete architecture was synthesized to
Xilinx Virtex II-Pro and Altera Stratix II FPGAs and to TSMC 0.35 μ m standard-cells …
Abstract
This paper presents the hardware design of an 8x8 bi-dimensional Forward Discrete Cosine Transform used in the high profiles of the H.264/AVC video coding standard. The designed DCT is computed in a separate way as two 1-D transforms. It uses only add and shift operations, avoiding multiplications. The architecture contains one datapath for each 1-D DCT with a transpose buffer between them. The complete architecture was synthesized to Xilinx Virtex II - Pro and Altera Stratix II FPGAs and to TSMC 0.35μm standard-cells technology. The synthesis results show that the 2-D DCT transform architecture reached the necessary throughput to encode high definition videos in real-time when considering all target technologies.
Springer
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