Spatio-temporal algorithm for coding artifacts reduction in highly compressed video

• Authors: Volodymyr Fedak
• Languages of publication: PL

Abstracts

PL

Images and video are often coded using block-based discrete cosine transform (DCT) or discrete wavelet transform (DWT) which cause a great deal of visual distortions. Restoration of image sequences can obtain better results compared to restoring each image individually, provided that the temporal redundancy is adequately used. In this article, efficient approach for artifacts reduction has been presented. In order to enhance the overall video quality, the proposed approach uses image sequence redundancy. Spatial and temporal information is used for the video de-noising process.

Keywords

PL

artifacts, spatio-temporal postprocessing, wavelet transformation

• Publisher: [unknown2]
• Journal: Czasopismo Techniczne
• Year: -

Dates

online

2015-04-22

Contributors

author

Volodymyr Fedak