Title :
Two-dimensional high-speed acoustic Fourier transform of optical images
Author :
Gautier, H. ; Ledu, P. ; Maerfeld, C.
Author_Institution :
Thomson-CSF, ASM Division, Cagnes-sur-Mer, France
Abstract :
We employ a two-dimensional (2D) semiconductor acoustic convolver to generate the Fourier transform of 2D images. The transformed plane is raster-scanned along oblique lines with variable tilt angle, and the line time can vary from a few microseconds upwards.
Keywords :
Fourier transforms; optical information processing; surface acoustic wave devices; SAW devices; optical images; semiconductor acoustic convolver; two dimensional high speed acoustic Fourier transform;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19790124
