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 |
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ASJC Scopus subject areas
- Engineering(all)
Cite this
Dynamic bit-width adaptation in DCT : Image quality versus computation energy trade-off. / Park, Jongsun; Jung, Hwan Choi; Roy, Kaushik.
Proceedings -Design, Automation and Test in Europe, DATE. Vol. 1 2006. 1656936.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Dynamic bit-width adaptation in DCT
T2 - Image quality versus computation energy trade-off
AU - Park, Jongsun
AU - Jung, Hwan Choi
AU - Roy, Kaushik
PY - 2006/12/1
Y1 - 2006/12/1
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=34047145040&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=34047145040&partnerID=8YFLogxK
M3 - Conference contribution
SN - 3981080114
SN - 9783981080117
VL - 1
BT - Proceedings -Design, Automation and Test in Europe, DATE
ER -