SUBPIXEL DETECTION OF THE CENTER OF AN OBJECT USING A SPECTRAL PHASE ALGORITHM ON THE IMAGE

Authors
ORIAT L LANTZ E
Citation
L. Oriat et E. Lantz, SUBPIXEL DETECTION OF THE CENTER OF AN OBJECT USING A SPECTRAL PHASE ALGORITHM ON THE IMAGE, Pattern recognition, 31(6), 1998, pp. 761-771
Citations number
15
Categorie Soggetti
Computer Science Artificial Intelligence","Engineering, Eletrical & Electronic","Computer Science Artificial Intelligence
Journal title
Pattern recognition → ACNP
ISSN journal
00313203
Volume
31
Issue
6
Year of publication
1998
Pages
761 - 771
Database
ISI
SICI code
0031-3203(1998)31:6<761:SDOTCO>2.0.ZU;2-D
Abstract
This paper presents an algorithm designed for detecting the center of an object with central symmetry in an image. It is well known that the spectral phase of such an object is a plane whose orientation depends on the object position in the image. Our algorithm applies weighting of the moduli to determine the slope and the orientation of this wrapp ed phase plane in the image spectrum. A comparison is made with other conventional methods and shows the advantages of this algorithm: subpi xel resolution, computing speed, ease of implementation. (C) 1998 Patt ern Recognition Society. Published by Elsevier Science Ltd. All rights reserved.