Title :
Scaled DCT´s on input sizes that are composite
Author :
Feig, Ephraim ; Linter, E.
Author_Institution :
IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA
fDate :
1/1/1995 12:00:00 AM
Abstract :
Given efficient scaled discrete cosine transforms (DCT´s) of size p and q, where p and q are relatively prime, we present methods for constructing fast algorithms to compute scaled DCT´s and scaled inverse DCT´s of size pq. Extensions to multidimensional transforms are also given
Keywords :
discrete cosine transforms; fast algorithms; multidimensional transforms; relatively prime; scaled DCT; scaled discrete cosine transforms; scaled inverse DCT; Discrete cosine transforms; Discrete transforms; Equations; Helium; Linear systems; Matrix decomposition; Multidimensional systems; Quantization; Signal processing algorithms; Tin;
Journal_Title :
Signal Processing, IEEE Transactions on
