Presentation 2004/1/15
Research on optimization of the processor structure for DCT
Atsushi Sekine, Gensuke Goto, Jube Tada,
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Abstract(in English) DCT is used for a picture or sound extension technology to realize by the system LSI dealing with video signals. Generally, the dedicated processors are needed to process DCT or any other video/audio signals, such as a DSP. However, if a DSP is adopted as a processing element, hardware cost will increase very much. Then, suppressing the increase in hardware cost is necessary as much as possible, and moreover optimizing the structure of a processor is required for high-speed processing. In this research, performance of multiple-accumulate operation and Σ-operation were raised by implementing a major part of DCT as hardware. Speed and hardware cost is compared with respected to conventional multiple-accumulate hardware and Σ-operation machine with a normal processor and a processor-added DCT block. It was shown that the operation speed is 40% faster than normal processor. The cost is 48% lower for the multiple-accumulate hardware and 46% lower for the Σ-operation than processor added the DCT block.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) DCT / processor / operation time / multiple-accumulate operation
Paper # VLD2003-116,CPSY2003-25
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Committee VLD
Conference Date 2004/1/15(1days)
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Registration To VLSI Design Technologies (VLD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Research on optimization of the processor structure for DCT
Sub Title (in English)
Keyword(1) DCT
Keyword(2) processor
Keyword(3) operation time
Keyword(4) multiple-accumulate operation
1st Author's Name Atsushi Sekine
1st Author's Affiliation Yamagata University faculty of technology()
2nd Author's Name Gensuke Goto
2nd Author's Affiliation Yamagata University faculty of technology
3rd Author's Name Jube Tada
3rd Author's Affiliation Yamagata University faculty of technology
Date 2004/1/15
Paper # VLD2003-116,CPSY2003-25
Volume (vol) vol.103
Number (no) 578
Page pp.pp.-
#Pages 4
Date of Issue