Image Quality Analysis of Deblocked Images
 | International Journal of Computer Trends and Technology (IJCTT) |  |
| © - Issue 2011 by IJCTT Journal | ||
| Volume-2 Issue-2 | ||
| Year of Publication : 2011 | ||
| Authors :Ch.Manasa,K.Ashok babu. |
Ch.Manasa,K.Ashok babu. "Image Quality Analysis of Deblocked Images"International Journal of Computer Trends and Technology (IJCTT),V2(2):518-523 Issue 2011 .ISSN 2231-2803.www.ijcttjournal.org. Published by Seventh Sense Research Group.
Abstract: - JPEG compression is the most prevalent technique or method for image codecs.But it suffers from blocking artifacts.In this paper a comparison of the perceptual quality of deblocked images based on various quality assessment metric is done. A proposed PSNR including blocking effect factor was used instead of PSNR. Another quality assessment metric SSIM was used which produces results largely in accordance with PSNR –B. We show the simulation results, which prove PSNR-B produces objective judgments .The efficiency of deblocking algorithms were studied..
References-
[1] S.S Channappayya, A.C.Bovik, and R.W.Heath, Jr, “Design of linear equalizers optimized for the structural similarity index,” IEEE Trans. Image Process., vol.17, no.6, pp.857-872, Jun.2008.
[2] Z.Wang, A.C.Bovik, H.R.Sheikh, and E.P.Simoncelli, “Image quality assessment: From error visibility to structural similarity,” IEEE Trans. Image Process., vol.13, no.4, pp.600-612, Apr.2004.
[3] A.Zakhor , “Iterative procedure for reduction of blocking effects in transform image coding,” IEEE Trans. Circuits Syst. Video Technol.,vol.2,no.1 , pp.91-95,Mar.1992.
[4] Y.Yang, N.P.Galatsanos, and A.K.Katsaggelos, “Projection-based spatially adaptive reconstruction of block- transform compressed images,” IEEE Trans. Image Process., vol.4, no.7, pp.896-908, Jul.1995.
[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.421-432, Dec.1993.
[6] H.Paek, R.C.Kim, and S.U.Lee, “On the POCS-based post processing technique to reduce the blocking artifacts in transform coded images,” IEEE Trans. Circuits Syst. Video Technol., vol.8, no.3, pp.358-367,Jun.1998.
[7] S.H.Park, and D.S.Kim, “Theory of projection onto narrow quantization constraint set and its applications,” IEEE Trans. Image Process., vol.8, no.10, pp.1361-1373, Oct.1999.
[8] Z.Wang, A.C.Bovik, and E.P.Simoncelli, “Multi-scale structural similarity for image qual
Keywords— Deblocked images, blocking artifacts, quality assessment, quality metric