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Proceedings Paper

Variable block size transforms with higher order kernels for ultra-high definition video coding
Author(s): Bumshik Lee; Sangsoo Ahn; Munchurl Kim; Hui Yong Kim; Jongho Kim; Se Yoon Jeong
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Paper Abstract

In this paper, 16-order and 32-order integer transform kernels are designed for the HD video coding in H.264|MPEG-4 AVC and the performance analyses for large transforms are presented. An adaptive block size transform coding scheme is also proposed based on the proposed transform kernels. Thus, additional 16-order (16 × 16, 16 × 8 and 8×16) and 32-order (32×32, 32×16 and 16×32) transforms are performed in addition to 8×8 and 4×4 transforms which are exploited in the Fidelity Range Extension of H.264|MPEG-4 AVC. The experimental results show that the variable block size transforms with the proposed higher order transform kernels yields 14.96% of bit saving in maximum for HD video sequences.

Paper Details

Date Published: 18 January 2010
PDF: 9 pages
Proc. SPIE 7543, Visual Information Processing and Communication, 754305 (18 January 2010); doi: 10.1117/12.840228
Show Author Affiliations
Bumshik Lee, Korea Advanced Institute of Science and Technology (Korea, Republic of)
Sangsoo Ahn, Korea Advanced Institute of Science and Technology (Korea, Republic of)
Munchurl Kim, Korea Advanced Institute of Science and Technology (Korea, Republic of)
Hui Yong Kim, Electronics and Telecommunications Research Institute (Korea, Republic of)
Jongho Kim, Electronics and Telecommunications Research Institute (Korea, Republic of)
Se Yoon Jeong, Electronics and Telecommunications Research Institute (Korea, Republic of)


Published in SPIE Proceedings Vol. 7543:
Visual Information Processing and Communication
Amir Said; Onur G. Guleryuz, Editor(s)

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