Title :
Transform-domain spectrum extrapolator for efficient picture transmission
Author :
Kumar, Narendra ; Chakraborti, N.B. ; Mukherjee, A.K.
Author_Institution :
Indian Institute of Technology, Department of Electronics & Electrical Communication Engineering, Kharagpur, India
Abstract :
A method for spectrum extrapolation is discussed which utilises the transform-domain cross-correlation to estimate the discarded components by solving simple simultaneous equations. A scheme for transmission which uses extrapolation in both the transmitter and the receiver is proposed.
Keywords :
picture processing; transforms; Hadamard-Harr transform; picture processing; picture transmission; spectrum extrapolation; transform domain cross correlation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800142
