Incremental Refinement of DFT and STFT Approximations

IEEE Signal Processing Letters

Volumn 2, Issue 2, 1995, Pages 25-27

  Winograd, Joseph M ^a   Nawab, S Hamid ^a  

^a BOSTON UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; APPROXIMATION THEORY; COMPUTATIONAL METHODS; FREQUENCIES; MATRIX ALGEBRA; PERFORMANCE; REAL TIME SYSTEMS; SIGNAL TO NOISE RATIO; SPURIOUS SIGNAL NOISE; VECTORS;

COMPUTATIONAL COST; DISCRETE FOURIER TRANSFORMS; FREQUENCY COVERAGE; FREQUENCY RESOLUTION; INCREMENTAL REFINEMENT; SHORT TIME FOURIER TRANSFORMS; VECTOR SUMMATION OPERATIONS;

FOURIER TRANSFORMS;

EID: 0029255956     PISSN: 10709908     EISSN: 15582361     Source Type: Journal    
DOI: 10.1109/97.365530     Document Type: Article

References (5)

1. V. R. Lesser J. Pavlin, and E. Durfee, “Approximate processing in real-time problem solving,” Al Mag., pp. 49–61, Spring 1988.
2. J. W. S. Liu, W. K. Shih, K. J. Lin, R. Bettati, and J. Y. Chung, “Imprecise computations,” Proc. IEEE, vol. 82, no. 1, pp. 83–94, Jan. 1994.
3. S. H. Nawab and E. Dorken, “Efficient STFT approximation using a quantization and differencing method,” in Proc. IEEE ICASSP ‘93, Minneapolis, Apr. 1993, pp. 587–590, vol. 3.
4. E. Dorken and S. H. Nawab, “Frame-adaptive techniques for quality versus efficiency tradeoffs in STFT analysis,” in Proc. IEEE ICASSP ‘9 4, Adelaide, Apr. 1994, pp. 449–452, vol. 3.
5. S. H. Nawab and E. Dorken, “A framework for quality versus efficiency tradeoffs in STFT analysis,” to appear in IEEE Trans. Signal Processing. Apr. 1995.