Title :
From Σ-Δ modulation to digital halftoning of images
Author :
Bernard, Thierry
Author_Institution :
ETCA/CREA/SP, Arcueil, France
Abstract :
The author present his halftoning technique as an analytical 2-D extension of Σ-Δ modulation, which is proven to feature optimal characteristics for the halftoning problem. A particular effort is devoted to transforming the sequential expression of Σ-Δ modulation into a parallel and dimension-independent expression. This allows a precise understanding of the halftoning action in the frequential domain, while explaining the good experimental performance of the method
Keywords :
delta modulation; picture processing; Σ-Δ modulation; digital halftoning; frequential domain; image processing; sigma-delta modulation; Delta modulation; Hardware; Image converters; Matrix converters; Pixel; Resistors; Shape; Signal resolution; Silicon; Spatial resolution;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1991. ICASSP-91., 1991 International Conference on
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-0003-3
DOI :
10.1109/ICASSP.1991.150985
