2-D Large Inverse Transform (16x16, 32x32) for HEVC (High Efficiency Video Coding)
- Authors
- Park, Jong-Sik; Nam, Woo-Jin; Han, Seung-Mok; Lee, Seongsoo
- Issue Date
- Jun-2012
- Publisher
- IEEK PUBLICATION CENTER
- Keywords
- Large inverse transform; hardware reuse; HEVC; low area
- Citation
- JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, v.12, no.2, pp.203 - 211
- Journal Title
- JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE
- Volume
- 12
- Number
- 2
- Start Page
- 203
- End Page
- 211
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/12413
- DOI
- 10.5573/JSTS.2012.12.2.203
- ISSN
- 1598-1657
- Abstract
- This paper proposes a 16x16 and 32x32 inverse transform architecture for HEVC (High Efficiency Video Coding). HEVC large transform of 16x16 and 32x32 suffers from huge computational complexity. To resolve this problem, we proposed a new large inverse transform architecture based on hardware reuse. The processing element is optimized by exploiting fully recursive and regular butterfly structure. To achieve low area, the processing element is implemented by shifters and adders without multiplier. Implementation of the proposed 2-D inverse transform architecture in 0.18. m technology shows about 300 MHz frequency and 287 Kgates area, which can process 4K (3840x2160)@ 30 fps image.
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