Title :
Interpolation of the DC component of coded images using a rational filter
Author :
Ramponi, Giovanni ; Carrato, Sergio
Author_Institution :
Dipt. di Elettrotecnica Elettronica ed Inf., Trieste Univ., Italy
Abstract :
In this paper, the problem of the interpolation of the DC components of JPEG or MPEG-coded images is addressed, and the use of nonlinear interpolators is proposed which are able to accurately reconstruct the images yielding both sharp details and low blocking artifacts
Keywords :
filtering theory; image coding; image reconstruction; interpolation; DC components; JPEG-coded images; MPEG-coded images; image reconstruction; interpolation; low blocking artifacts; nonlinear interpolator; rational filter; sharp details; Discrete cosine transforms; Electronic mail; Filters; Image coding; Image reconstruction; Image sequences; Interpolation; Signal processing algorithms; Transform coding; Video compression;
Conference_Titel :
Image Processing, 1997. Proceedings., International Conference on
Conference_Location :
Santa Barbara, CA
Print_ISBN :
0-8186-8183-7
DOI :
10.1109/ICIP.1997.647788
