Title :
Parallel and separable 2-D FIR digital filter design
Author :
Venkatachalam, Vidya ; Aravena, Jorge L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Louisiana State Univ., Baton Rouge, LA, USA
Abstract :
This paper develops a technique to design 2-D filters by approximating an ideal frequency response with sums of separable FIR components. The technique is independent of the nature of the ideal response, and can accommodate the inclusion of a weighting function. This approach gives the designer flexibility in selecting the 1-D filter orders and the number of parallel filters to be used for best results. The problem is presented here for the weighted least squares case and includes a brief analysis of computational complexity. Simulation results are used to demonstrate the effectiveness of this design algorithm
Keywords :
FIR filters; computational complexity; frequency response; least squares approximations; two-dimensional digital filters; 1D filter orders; 2D FIR digital filter; computational complexity; design algorithm; ideal frequency response; parallel filters; separable FIR components; weighted least squares case; weighting function; Algorithm design and analysis; Computational complexity; Computational modeling; Digital filters; Filtering; Finite impulse response filter; Frequency response; Least squares approximation; Least squares methods; Matrix decomposition; Nonlinear filters; Signal design;
Conference_Titel :
Circuits and Systems, 1994., Proceedings of the 37th Midwest Symposium on
Conference_Location :
Lafayette, LA
Print_ISBN :
0-7803-2428-5
DOI :
10.1109/MWSCAS.1994.518995
