Title :
Rational interpolation by extendible inverse discrete cosine transform
Author :
Hsu, Yuh-Feng ; Chen, Yung-Chang
Author_Institution :
Inst. of Electr. Eng., Nat. Tsing Hua Univ., Hsinchu, Taiwan
fDate :
10/9/1997 12:00:00 AM
Abstract :
Rational interpolation based on the conventional inverse discrete cosine transform (DCT) is developed. An extendible inverse DCT equation is given to provide a rational ratio of interpolation. The proposed DCT interpolation is backwards-compatible to the conventional DCT
Keywords :
discrete cosine transforms; interpolation; signal processing; backwards-compatible interpolation; extendible inverse discrete cosine transform; rational interpolation; rational ratio;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19971212
