4 × 4 2-D DCT for H.264/AVC

  • Authors:
  • A. K. Prasoon;K. Rajan

  • Affiliations:
  • Vellore Institute of Technology, Vellore;Indian Institute of Science, Bangalore

  • Venue:
  • Proceedings of the International Conference on Advances in Computing, Communication and Control
  • Year:
  • 2009

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Abstract

With continuous advancement of VLSI technology it has become possible to achieve any desired performance metric, but at a cost of increased system complexity. In this paper we present area optimal integer 2-D DCT architecture for H.264/AVC codecs. The 2-D DCT calculation is performed by utilizing the separability property, in such a way, 2-D DCT is divided into two 1-D DCT calculation that share a common memory, which considerably reduces the gate count. Due to its area optimized approach the design will find application in hand-held/mobile devices. The transform module has been coded in Verilog hardware description language (HDL) and synthesized in 0.18μ TSMC technology.