Title :
Interpolation using the type I discrete cosine transform with greatly increased accuracy
Author :
Yiming, Mao ; Zhenghua, Yu
Author_Institution :
Dept. of Radio Eng., Southeast Univ., Nanjing, China
fDate :
1/19/1995 12:00:00 AM
Abstract :
When DCT-I is used for interpolation, errors occur due to the implied zero conditions of boundary points. By adding simple functions to the input sequence to satisfy the conditions, the accuracy may be improved
Keywords :
discrete cosine transforms; errors; interpolation; signal processing; boundary points; discrete cosine transform; errors; functions; input sequence; interpolation; type I DCT; zero conditions;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19950043
