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VLSI architectures for high-speed and flexible two-dimensional digital filters

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1 Author(s)
C. -H. Chou ; Dept. of Electr. Eng., Tatung Inst. of Technol., Taipei, Taiwan

Flexible VLSI architectures for high-speed 2-D finite-impulse-response (FIR) and infinite-impulse-response (IIR) digital filters are described. Cyclical parallel processing structures for 2-D FIR and IIR digital filtering are derived from the employment of storage elements. The hardware architectures that realize the parallel processing structures are developed. The resulting architectures, which are mainly constructed of three types of standard cells, exhibit a high degree of modularity and regularity, and thus a high suitability for VLSI implementation. The architectures can process 2-D data arrays of arbitrary dimensions in real time or near real time and have higher hardware efficiency and lower implementation cost than the direct-form realization

Published in:

IEEE Transactions on Signal Processing  (Volume:39 ,  Issue: 11 )