Title :
Fast computation of discrete cosine transform through fast Hartley transform
Author_Institution :
Massachusetts Institute of Technology, Research Laboratory of Electronics, Cambridge, USA
Abstract :
A relationship between the discrete cosine transform (DCT) and the discrete Hartley transform (DHT) is derived. It leads to a new fast and numerically stable algorithm for the DCT.
Keywords :
computational complexity; fast Fourier transforms; signal processing; DCT; discrete Hartley transform; discrete cosine transform; fast Hartley transform; fast computation; numerically stable algorithm;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860239
