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2-D Variable FIR Filters Using 3-D Prototype Filters
Toshiyuki YOSHIDA Akinori NISHIHARA Nobuo FUJII
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/09/25
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Parallel/Multidimensional Signal Processing
digital signal processing, multidimensional signal processing, linear FIR digital filters and variable filters,
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This paper discusses a new design method for 2-D variable FIR digital filters, which is an extension of our previous work for 1-D case. The method uses a 3-D prototype FIR filter whose cross-sections correspond to the desired characteristics of 2-D variable FIR filters. A 2-D variable-angle FIR fan filter is given as a design example.