Title :
Postprocessing technique for blocking artifacts reduction in DCT domain
Author :
Zhao, Y. ; Cheng, G. ; Yu, S.
Author_Institution :
Inst. of Image Commun. & Inf. Process., Shanghai Jiao Tong Univ., China
Abstract :
An effective post-processing technique is proposed to reduce the blocking artifacts in the block discrete cosine transform (BDCT)-coded images. Simulation results indicate that the proposed scheme outperforms conventional post-processing techniques in both PSNR and visual quality.
Keywords :
block codes; coding errors; discrete cosine transforms; image coding; transform coding; DCT domain; block discrete cosine transform coded images; blocking artifacts reduction; peak signal-noise ratio; postprocessing technique; visual quality;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20046044