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A memory system supporting the efficient SIMD computation of the two dimensional DWT

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4 Author(s)
Trenas, M.A. ; Dept. of Comput. Archit., Malaga Univ., Spain ; Lopez, J. ; Zapata, E.L. ; Arguello, F.

Real time image processing uses SIMD engines to accelerate the computation of algorithms such as the DCT, FFT or DWT. So, a good skewing scheme becomes essential for avoiding memory bank conflicts. A memory system is introduced for the efficient in-place computation of such transforms. It consists of M=2m memory modules, providing parallel access to M image points whose patterns are a row or a column, the interval in both cases being 2l, l⩾0. The efficiency of our design is proved through the computation of the 2D DWT

Published in:

Acoustics, Speech and Signal Processing, 1998. Proceedings of the 1998 IEEE International Conference on  (Volume:3 )

Date of Conference:

12-15 May 1998