DocumentCode
1232223
Title
A novel two-stage algorithm for DCT and IDCT
Author
WU, JA-LING ; Hsu, Shyh-Huei ; Duh, Wei-Jou
Author_Institution
Dept. of Comput. Sci. & Inf. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Volume
40
Issue
6
fYear
1992
fDate
6/1/1992 12:00:00 AM
Firstpage
1610
Lastpage
1612
Abstract
On the basis of the Mobius function, a two-stage algorithm for the discrete cosine transform (DCT) and the inverse DCT (IDCT) is proposed. In this approach, the DCT matrix is factorized into the preprocessing and postprocessing matrices. The preprocessing matrix has elements of values 1 and -1, and the postprocessing matrix is a circular convolution/correlation matrix
Keywords
matrix algebra; transforms; DCT; DCT matrix; IDCT; Mobius function; circular convolution/correlation matrix; discrete cosine transform; inverse DCT; postprocessing matrices; preprocessing matrix; two-stage algorithm; Computer science; Convolution; Discrete cosine transforms; Equations; Flow graphs; Signal processing algorithms;
fLanguage
English
Journal_Title
Signal Processing, IEEE Transactions on
Publisher
ieee
ISSN
1053-587X
Type
jour
DOI
10.1109/78.139274
Filename
139274
Link To Document