Abstract
We present a dynamic bit-width adaptation scheme in DCT applications for efficient trade-off between image quality and computation energy. Based on sensitivity differences of 64 DCT coefficients, various operand bit-widths are used for different frequency components to reduce computation energy in DCT operation. Numerical results show that our DCT architecture can achieve power savings ranging from 36 % to 75% compared to normal operation.
| Original language | English |
|---|---|
| Title of host publication | Proceedings -Design, Automation and Test in Europe, DATE |
| Volume | 1 |
| Publication status | Published - 2006 Dec 1 |
| Externally published | Yes |
| Event | Design, Automation and Test in Europe, DATE'06 - Munich, Germany Duration: 2006 Mar 6 → 2006 Mar 10 |
Other
| Other | Design, Automation and Test in Europe, DATE'06 |
|---|---|
| Country | Germany |
| City | Munich |
| Period | 06/3/6 → 06/3/10 |
ASJC Scopus subject areas
- Engineering(all)
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Cite this
Park, J., Jung, H. C., & Roy, K. (2006). Dynamic bit-width adaptation in DCT: Image quality versus computation energy trade-off. In Proceedings -Design, Automation and Test in Europe, DATE (Vol. 1). [1656936]