Share Email Print

Proceedings Paper

Boundaries As Unpredictable Discontinuities
Author(s): Richard J. Gleeson; Josef Skrzypek
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

A large part of the information content of an image is conveyed by the location of pixels that determine the boundaries between different segments. In absence of prior knowledge about objects in the scene, it is impossible to predict where the edges will occur. The gray levels at locations away from boundaries are often highly correlated. They can be estimated from the values of nearby locations using assumptions based on our knowledge of the physical laws governing reflections from surfaces. Boundaries occur at points of essentially infinite variation. At these points corresponding gray levels result from summing energy reflected by two different regions and cannot be easily estimated from the values at nearby pixels. In this sense gray level values at discontinuities are less predictable.

Paper Details

Date Published: 29 March 1989
PDF: 7 pages
Proc. SPIE 1076, Image Understanding and the Man-Machine Interface II, (29 March 1989); doi: 10.1117/12.952689
Show Author Affiliations
Richard J. Gleeson, University of California (United States)
Josef Skrzypek, University of California (United States)

Published in SPIE Proceedings Vol. 1076:
Image Understanding and the Man-Machine Interface II
Eamon B. Barrett; James J. Pearson, Editor(s)

© SPIE. Terms of Use
Back to Top