J. Ramírez, P. G. Fernández, U. Meyer-Base, F. Taylor, A. García, A. Lloris
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引用次数: 13
Abstract
The design of high-performance, high-precision, real-time digital signal processing (DSP) systems, such as those associated with wavelet signal processing, is a challenging problem. This paper reports on the innovative use of the residue number system (RNS) for implementing high-end wavelet filter banks. The disclosed system uses an enhanced index-transformation defined over Galois fields to efficiently support different wavelet filter instantiations without adding any extra cost or additional lookup tables (LUT). An exhaustive comparison against existing two's complement (2C) designs for different custom IC technologies was carried out. These structures have been demonstrated to be well suited for field programmable logic (FPL) assimilation as well as for CBIC (cell-based integrated circuit) technologies.
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