Reduction of Blocking Artifacts in Block-Based Compressed Images

Abstract. A novel frequency domain technique for image blocking artifact reduction is presented in this paper. For each block, its DC and AC coefficients are recalculated for artifact reduction. To achieve this, a closed form representation of the optimal correction of the DCT coefficients is produced by minimizing a novel enhanced form of the Mean Squared Difference of Slope (MSDS), for every frequency separately. Experimental results illustrating the performance of the proposed method are presented and evaluated.

• Type: Conference
• Year: 2005
• Where: ACIVS
• Authors: George A. Triantafyllidis, Dimitrios Tzovaras, Michael G. Strintzis
• Keywords: ACIVS 2005, Artifact Reduction, Closed Form Representation, Computer Vision, Image Blocking Artifact