Title :
Regularized dequantizer for MPEG
Author :
Gunho Lee ; Sanghoon Sull ; Sung-Jea Ko ; Song, S.M.-H.
Author_Institution :
Sch. of Electr. Eng., Korea Univ., Seoul, South Korea
Abstract :
We propose a new dequantization scheme based on regularization principles. The new approach drastically reduces blocking artifacts without smoothing the decoded image. The performance of the proposed algorithm is evaluated against the standard MPEG decompression.
Keywords :
code standards; decoding; discrete cosine transforms; image coding; quantization (signal); telecommunication standards; transform coding; DCT; algorithm performance; blocking artifacts reduction; decoded image; discrete cosine transform; image compression algorithms; regularized dequantizer; standard MPEG decompression; Bit rate; Boundary conditions; Decoding; Discrete cosine transforms; Equations; Image coding; Pixel; Quantization; Smoothing methods; Transform coding;
Conference_Titel :
Consumer Electronics, 2000. ICCE. 2000 Digest of Technical Papers. International Conference on
Conference_Location :
Los Angles, CA, USA
Print_ISBN :
0-7803-6301-9
DOI :
10.1109/ICCE.2000.854607
