A low power reconfigurable DCT architecture is proposed, which can be run at three transform precision levels for different demands. Using the character of energy distribution of the DCT matrix after 2D DCT operation, we selected the best DCT bases which achieve considerable power reduction in DCT operation with minimum image quality degradation. The reconfigurable architecture canachieve power saving ranging from 22% to 41% for different precision levels and very useful for image video compression and transmission applications.
A Reconfigurable DCT Architecture for Multimedia Applications
2008 Congress on Image and Signal Processing ; 1 ; 360-364
2008-05-01
403867 byte
Conference paper
Electronic Resource
English
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