POCS-based blocking artifacts suppression using a smoothness constraint set with explicit region modeling

IEEE Transactions on Circuits and Systems for Video Technology

Volumn 15, Issue 6, 2005, Pages 795-800

  Liew, Alan Wee Chung ^a,b   Yan, Hong ^a,c   Law, Ngai Fong ^d  

^a CITY UNIVERSITY OF HONG KONG   (Hong Kong)

^b CHINESE UNIVERSITY OF HONG KONG   (Hong Kong)

^c UNIVERSITY OF SYDNEY   (Australia)

^d HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

Author keywords

Blocking artifacts; Image deblocking; Projection onto convex sets (POCS); Region smoothness constraint; Smooth surface modeling; Thin plate spline

Indexed keywords

ALGORITHMS; BENDING STRENGTH; COSINE TRANSFORMS; MATHEMATICAL MODELS; PROBLEM SOLVING; SET THEORY; SIGNAL TO NOISE RATIO;

BLOCKING ARTIFACTS; IMAGE DEBLOCKING; PROJECTION ONTO CONVEX SETS (POCS); REGION SMOOTHNESS CONSTRAINT; SMOOTH SURFACE MODELING; THIN PLATE SPLINES;

IMAGE CODING;

EID: 20444451298     PISSN: 10518215     EISSN: None     Source Type: Journal    
DOI: 10.1109/TCSVT.2005.848303     Document Type: Article

References (22)

1. N. Ahmad, T. Natarajan, and K. R. Rao, "Discrete cosine transform coding of images," IEEE Trans. Comput., vol. C-23, pp. 90-93, 1941.
2. H. C. Reeves and J. S. Lim, "Reduction of blocking effects in image coding," J. Opt. Eng., vol. 23, pp. 34-37, Jan. 1984.
3. N. F. Law and W. C. Siu, "Successive structural analysis using wavelet transform for blocking artifacts suppression," Signal Process., vol. 81, no. 7, pp. 1373-1387, Jul. 2001.
4. A. Zakhor, "Iterative procedures for reduction of blocking effects in transform image coding," IEEE Trans. Circuits Syst. Video Technol., vol. 2, no. 3, pp. 91-95, Mar. 1992.
5. 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, no. 6, pp. 431-442, Dec. 1993.
6. Y. Yang and N. P. Galatsanos, "Projection-based spatially adaptive reconstruction of block-transform compressed images," IEEE Trans. Image Process., vol. 4, no. 7, pp. 896-908, Jul. 1995.
7. S. D. Kim, J. Yi, H. M. Kim, and J. B. Ra, "A deblocking filter with two separate mode in block-based video coding," IEEE Trans. Circuits Syst. Video Technol., vol. 9, no. 2, pp. 156-160, Feb. 1999.
8. H. W. Park and Y. L. Lee, "A postprocessing method for reducing quantization effects in low bit-rate moving picture coding," IEEE Trans. Circuits Syst. Video Technol., vol. 9, no. 2, pp. 161-171, Feb. 1999.
9. MPEG 4 Verification Model, VM 14.2, ISO/IEC JTC1/SC29/WG11 N3908. (1999). [Online]. Available: http://www.chiariglione.org/mpeg/working_documents.htm
10. A. W. C. Liew and H. Yan, "Blocking artifacts suppression in block-coded images using overcomplete wavelet representation," IEEE Trans. Circuits Syst. Video Technol., vol. 14, no. 4, pp. 450-461, Apr. 2004.
11. C. Weerasinghe, A. W. C. Liew, and H. Yan, "Artifact reduction in compressed images based on region homogeneity constraints using the projections onto convex sets algorithm," IEEE Trans. Circuits Syst. Video Technol., vol. 12, no., pp. 891-897, Oct. 2002.
12. F. L. Bookstein, "Principal warps: Thin-plate splines and the decomposition of deformations," IEEE Trans. Pattern Anal. Mach. Intell., vol. 11, no. 6, pp. 567-585, Jun. 1989.
13. J. Meinguet, "Surface spline interpolation: Basic theory and computational aspects," in Approximation Theory and Spline Functions, S. P. Singh, Ed. Dordrecht, The Netherlands: Reidel, 1984, pp. 127-142.
14. A. W. C. Liew and N. F. Law, "Reconstruction from 2-D wavelet transform modulus maxima using projection," in Proc. IEE Vision, Image, and Signal Processing, vol. 147, Apr. 2000, pp. 176-184.
15. A. Liew and D. T. Nguyen, "Reconstruction from wavelet transform modulus maxima using nonexpansive projections," Electron. Lett., vol. 31, no. 13, pp. 1038-1039, Jun. 22, 1995.
16. H. Stark and Y. Yang, Vector Space Projections, a Numerical Approach to Signal and Image Processing, Neural Nets, and Optics. New York: Wiley, 1998.
17. D. C. Youla and H. Webb, "Image restoration by the method of convex projections: Part Ithoery," IEEE Trans. Med. Imag., vol. 1, no. 2, pp. 81-94, Feb. 1982.
18. S. Minami and A. Zakhor, "An optimization approach for removing blocking effects in transform coding," IEEE Trans. Circuits Syst. Video Technol., vol. 5, no. 4, pp. 74-82, Apr. 1995.
19. G. Lakhani and N. Zhong, "Derivation of prediction equations for blocking effect reduction," IEEE Trans. Circuits Syst. Video Technol., vol. 9, no. 4, pp. 415-418, Apr. 1999.
20. G. A. Triantafyllidis, D. Tzovaras, and M. G. Strintzis, "Blocking artifact detection and reduction in compressed data," IEEE Trans. Circuits Syst. Video Technol., vol. 12, no. 10, pp. 877-890, Oct. 2002.
21. F. Girosi, M. Jones, and T. Poggio, "Regularization theory and neural networks architectures," Neural Comput., vol. 7, no. 2, pp. 219-269, Mar. 1995.
22. G. Wahba, Spline Models for Observational Data. Philadelphia, PA: SIAM, 1990.