Single-channel convolution in a vector processing computer...

Details Single-channel convolution in a vector processing computer... Single-channel convolution in a vector processing computer...

2006-09-12

2006-09-12

Mai, Tan V. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07107304

ABSTRACT:
A system and method for performing convolution in a single channel of a vector processing computer system takes advantage of the parallel computing capability of the vector processing system and the distributed properties of the discrete-time convolution sum by performing convolution on portions of an overall data stream, or data chunks, simultaneously. Partial solution are thereby obtained and superimposed to achieve an overall solution data stream. To simplify the convolution sum and eliminate the need for calculating products, a specialized data signal or vector containing a series of ones may be used in the convolution operation.

REFERENCES:
patent: WO 01/90927 (2001-11-01), None
Wang et al., “Parallel-decomposition Algorithm for Discrete Computational Problems . . . ”, IEE Proceedings: Vision, Image and Signal Processing, Institution of Electrical Engineers, vol. 142, No. 1, Feb. 1, 1995, pp. 40-46.
Gardner, “Efficient Convolution Without Input-Output Delay”, Journal of the Audio Engineering Society, Audio Engineering Society, vol. 43, No. 3, Mar. 1, 1995, pp. 127-135.
Torger et al., “Real-time Partitioned Convolution for Ambiophonics Surround Sound”, IEEE Workshop on the Applications of Signal Processing on Audio and Acoustics, Oct. 21-24, 2001, pp. 195-198.
Agarwal et al. “Fourier Transform and Convolution Subroutines for the IBM 3090 Vector Facility”, IBM Journal of Research and Development, vol. 30, No. 2, Mar. 1, 1986.

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