Reduction of block-transform image coding artifacts by using local statistics of transform coefficients

IEEE Signal Processing Letters

Volumn 4, Issue 1, 1997, Pages 5-7

  Choy, Steven S O ^a   Chan, Yuk Hee ^a   Siu, Wan Chi ^a  

^a HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

Author keywords

[No Author keywords available]

Indexed keywords

CODES (SYMBOLS); CODING ERRORS; MATHEMATICAL TRANSFORMATIONS;

BLOCK TRANSFORM IMAGE CODING ARTIFACTS; LOW BIT RATE IMAGE CODING; QUANTIZATION ERROR CONSTRAINT; TRANSFORM COEFFICIENTS;

IMAGE CODING;

EID: 0030869809     PISSN: 10709908     EISSN: None     Source Type: Journal    
DOI: 10.1109/97.551686     Document Type: Article

References (7)

1. H. C. Reeves and J. S. Lim, "Reduction of blocking effects in image coding," Opt. Eng., vol. 23. no. 1, pp. 34-37, Jan./Feb. 1984.
2. B. Ramamurthi and A. Gersho, "Nonlinear space-variant postprocessing of block coded images," IEEE Trans. Acoust. Speech, Signal Processing., vol. ASSP-34, pp. 1258-1267, Oct. 1986.
3. A. Zakhor, "Iterative procedures for reduction of blocking effects in transform image coding," IEEE Trans. Circuits Syst. Video Technol., vol. 2. pp. 91-95, Mar. 1992.
4. Y. Yang, N. P. Galatsanos, and A. K. Katsaggelos, "Regularized reconstruction to reduce blocking artifacts of block discrete cosine transform compressed images," IEEE Trans. Circuits Syst. Video Technol., vol. 3, pp. 421-432, Dec. 1993.
5. R. L. Stevenson, "Reduction of coding artifacts in transform image coding," in Proc. ICASSP, 1993, vol. 5. pp. 401-404.
6. J. Luo, C. W. Chen, K. J. Parker, and T. S. Huang, "A new method for block effect removal in low bit-rate image compression," in Proc. ICASSP, 1994, vol. 5, pp. 341-344.
7. A. E. Bryson and Y. C. Ho, Applied Optimal Control: Optimization, Estimation, and Control. New York: Wiley, 1975.