Title :
Efficient restoration technique for missing blocks in images
Author :
Kachouh, Ziad Al ; Bellanger, Maurice G.
Author_Institution :
CNAM-Electronique, Paris, France
Abstract :
A spatial domain interpolation technique has been proposed recently for the high-quality restoration of missing blocks in images . An efficient implementation is presented here, which leads to a little more than one multiplication per calculated pixel. Moreover, it is shown that the multiplications can be eliminated altogether, if a slight loss in quality can be tolerated. The technique can be applied in postprocessing devices in image communication terminals.
Keywords :
discrete cosine transforms; error correction codes; image coding; image restoration; interpolation; transform coding; visual communication; DCT; discrete cosine transform; error concealment; high-quality restoration; image communication terminals; image restoration; missing blocks; postprocessing devices; spatial domain interpolation; Digital TV; Digital cameras; Discrete cosine transforms; Equations; Image coding; Image communication; Image restoration; Interpolation; Pixel; Vectors;
Journal_Title :
Circuits and Systems for Video Technology, IEEE Transactions on
DOI :
10.1109/TCSVT.2003.819184
