Contour Extraction of Watermarks in Old Manuscripts.

Emanuel Wenger Victor N. Karnaukhov Alois Haidinger

Published in: Eurographics (Short Presentations) (1999)

Keyphrases

contour extraction
perceptual grouping
b spline
watermarking scheme
edge detection
probabilistic relaxation
contour grouping
control points
multiscale
prior shape knowledge