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- Sunan Tugsinavisut, Youpyo Hong, Daewook Kim, Kyeounsoo Kim, Peter A. Beerel
- IEEE Trans. VLSI Syst.
- 2005

This paper demonstrates the design of efficient asynchronous bundled-data pipelines for the matrix-vector multiplication core of discrete cosine transforms (DCTs). The architecture is optimized for both zero and small-valued data, typical in DCT applications, yielding both high average performance and low average power. The proposed bundled-data pipelines… (More)

- Kyeounsoo Kim, Jong-Seog Koh
- IEEE Trans. Consumer Electronics
- 1999

- Kyeounsoo Kim, Peter A. Beerel, Youpyo Hong
- ISLPED
- 2000

This paper proposes an efficient asynchronous hardwired matrix-vector multiplier for the rwo-dimensional discrete cosine transform and inverse discrete cosine transform (DCT/IDCT). The design achieves low power and high performance by taking advantage of the typically large fraction of zero and small-valued data in DCT and IDCT applications. In particular,… (More)

- Peter A. Beerel, Sangyun Kim, Pei-Chuan Yeh, Kyeounsoo Kim
- ISLPED
- 1999

This paperpresents low-power asynchronousbarrel shifters for variable length encoders and decoders useful in portable applications using multimedia standards. Our approach is to create multi-level asynchronous barrel shifters optimized for the skewed shift control statistics often found in these codecs. For common shifts, data passes through one level,… (More)

- Kibum Suh, Kyung Yuk Min, Kyeounsoo Kim, Jong-Seog Koh, Jong-Wha Chong
- ISCAS
- 1999

- Kyeounsoo Kim, Jong-Seog Koh, Kibum Suh, John-Wha Chong
- IEEE Trans. Consumer Electronics
- 1999

- Kyeounsoo Kim
- 1999

Introduction: The increasing demand for portable and wireless multimedia applications that rely on limited battery energy has made low power architectures and designs for these applications critical. Since real-time matrix transposition consumes a large fraction of the power in multi-dimensional image and signal processing, low-power matrix transposers are… (More)

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