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W artykule przedstawiono wyniki pomiaru wrażliwości charakterystyki amplitudowej na kwantowanie współczynników dla różnych realizacji filtrów cyfrowych. Przeanalizowano filtry separowalne FIR 3D w realizacji bezpośredniej (splot) i ortogonalnej z zastosowaniem rotatorów. Pomiar wrażliwości sprowadzono do wyznaczenia błędu średniokwadratowego charakterystyki amplitudowej. Wykorzystano trzy poziomy...
A hardware implementation of 3D pipelined Laplace filter has been presented in the paper. The filter is composed of rotation and delay unit structures with a help of CORDIC algorithm. Synthesis of the pipelined 3D Laplace filter is based on synthesis of 2D and ID filters. Proposed implementation of the filter has been compared to the implementation of the filter based on direct form. Parameters of...
The authors present an implementation technique of a novel system which can be used to perform 3-D filtering for separable kernels. The structure, consisting of Givens rotations and delay elements, is implemented in FPGA chip. Givens rotations are based on a pipeline CORDIC algorithm. Presented approach is tested against finite precision noise and sensitivity to structure parameters. It is shown that...
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