Singularity detection in images using dual local autocovariance

✍ Scribed by Wojciech Czaja; Mladen Victor Wickerhauser

• Book ID: 104375140
• Publisher: Elsevier Science
• Year: 2002
• Tongue: English
• Weight: 301 KB
• Volume: 13
• Category: Article
• ISSN: 1063-5203
• DOI: 10.1016/s1063-5203(02)00004-0

✦ Synopsis

Differences in the eigenvalues of an autocovariance matrix indicate directions at which the local Fourier power spectrum of a function is slowly decreasing. This provides a technique to discriminate edge-like singularities from other features in images.