Title :
On the DCT Coefficient Distributions
Author :
Nadarajah, Saralees ; Kotz, Samuel
Author_Institution :
Sch. of Math., Manchester Univ.
Abstract :
Explicit expressions are derived for the actual discrete cosine transform (DCT) coefficient distribution. Associated estimation procedures are also derived for ready use in practical applications
Keywords :
discrete cosine transforms; DCT coefficient distribution; discrete cosine transform; Closed-form solution; Discrete cosine transforms; Discrete transforms; Equations; Gaussian distribution; Helium; Mathematics; Maximum likelihood estimation; Probability density function; Random variables; Discrete cosine transform (DCT); error function; incomplete gamma function; modified Bessel function;
Journal_Title :
Signal Processing Letters, IEEE
DOI :
10.1109/LSP.2006.877141
