DocumentCode
1031406
Title
DC coefficient restoration by cosine and sine transforms
Author
Cham, W.K.
Author_Institution
Chinese University of Hong Kong, Department of Electronics, Shatin, Hong Kong
Volume
23
Issue
7
fYear
1987
Firstpage
349
Lastpage
350
Abstract
DC coefficients in a transform coded picture can be restored by minimisation of edges between blocks. The letter shows that the minimisation algorithm can be achieved using the well known cosine transform or sine transform.
Keywords
encoding; minimisation; picture processing; transforms; DC coefficient restoration; cosine transform; edges minimisation; encoding; image processing; minimisation algorithm; sine transform; transform coded picture;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19870257
Filename
4257585
Link To Document