Efficient image deblocking based on postfiltering in shifted windows

IEEE Transactions on Circuits and Systems for Video Technology

Volumn 18, Issue 1, 2008, Pages 122-126

  Zhai, Guangtao ^a   Zhang, Wenjun ^a   Yang, Xiaokang ^a   Lin, Weisi ^b   Xu, Yi ^a  

^a SHANGHAI JIAO TONG UNIVERSITY   (China)

^b NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

Block discrete cosine transform; Image deblocking; Post filtering

Indexed keywords

BIT RATES; BLOCK DISCRETE COSINE TRANSFORM; DEBLOCKING; IMAGE BLOCKS; IMAGE DEBLOCKING; JPEG COMPRESSED IMAGES; JPEG FILES; MEAN-SQUARED ERRORS; ORIGINAL IMAGES; PEAK SIGNAL-TO-NOISE RATIOS; POST-FILTERING; PROCESSED IMAGES; QUALITY FACTOR Q; QUANTIZATION TABLES; STANDARD DEVIATIONS; STRONG CORRELATIONS; VISUAL EFFECTS;

COMPUTATIONAL COMPLEXITY; COSINE TRANSFORMS; DISCRETE COSINE TRANSFORMS; IMAGE CODING; IMAGE QUALITY; MEAN SQUARE ERROR; SIGNAL TO NOISE RATIO; VISUAL COMMUNICATION; WINDOWS;

MILITARY PHOTOGRAPHY;

EID: 64149118633     PISSN: 10518215     EISSN: None     Source Type: Journal    
DOI: 10.1109/TCSVT.2007.906942     Document Type: Article

References (15)

1. MPEG4 Video Group, MPEG4 Video Verification Model Version 18.0, JTC1/SC29/WG11 N3908, 2002.
2. H.263 Video Group, Video Coding for Low Bit Rate Communication ITU-T Rec. H. 263, 1998.
3. A. Zakhor, "Iterative procedures for reduction of blocking effects in transform image coding," IEEE Trans. Circuits Syst. Video Technol., vol. 2, no. 1, pp. 91-95, Jan. 1992.
4. Y. Y. Yang, 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. 421-432, Aug. 1993.
5. R. Castagno, S. Marsi, and G. Ramponi, "A simple algorithm for the reduction of blocking artifacts in images and its implementation," IEEE Trans. Consum. Electron., vol. 44, no. 3, pp. 1062-1070, 1998.
6. X. Gan, A. W. C. Liew, and H. Yan, "Blocking artifact reduction in compressed images based on edge-adaptive quadrangle meshes," J. Vis. Commun. Image Represent., vol. 14, no. 4, pp. 492-507, 2003.
7. Y. Luo and R. K. Ward, "Removing the blocking artifacts of blockbased DCT compressed images," IEEE Trans. Image Process., vol. 12, no. 7, pp. 838-842, Jul. 2003.
8. T. Chen, H. R. Wu, and B. Qiu, "Adaptive postifiltering of transform coefficients for the reduction of blocking artifacts," IEEE Trans. Circuits Syst. Video Technol., vol. 11, no. 5, pp. 594-602, May 2001.
9. A. W. C. Liew and H. Yan, "Blocking artifacts suppression in blockcoded images using overcomplete wavelet representation," IEEE Trans. Circuits Syst. Video Technol., vol. 14, no. 4, pp. 450-461, Apr. 2004.
10. T. C. Hsung, D. P.-K. Lun, and W. C. Siu, "A deblocking technique for block-transform compressed image using wavelet transform modulus maxima," IEEE Trans. Image Process., vol. 7, no. 10, pp. 1488-1496, Oct. 1998.
11. Z. Xiong, M. T. Orchard, and Y. Q. Zhang, "A deblocking algorithm for JPEG compressed images using overcomplete wavelet representations," IEEE Trans. Circuits Syst. Video Technol., vol. 7, no. 2, pp. 433-437, Feb. 1997.
12. W. B. Pennebaker and J. L. Mitchel, JPEG Still Image Data Compression Standard. New York: Van Nostrand Reinhold, 1993.
13. J. L. Mitchel and W. B. Pennebaker, MPEG Video Compression Standard. New York: Chapman & Hall, 1997.
14. Computer Vision Group University of Granada, Grayscale Test Image Database: http://decsai.ugr.es/cvg/dbimagenes/ 2002.
15. S. H. Park and D. S. Kim, "Theory of projection onto the narrow quantization constraint set and its application," IEEE Trans. Image Process., vol. 8, no. 10, pp. 1361-1373, Aug. 1999.