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ICPR
2010
IEEE
14 years 1 months ago
A Robust Iris Localization Method Using an Active Contour Model and Hough Transform
Iris segmentation is one of the crucial steps in building an iris recognition system since it affects the accuracy of the iris matching significantly. This segmentation should acc...
Jaehan Koh, Venu Govindaraju, Vipin Chaudhary
SIP
2007
13 years 10 months ago
A variational segmentation framework using active contours and thresholding
Segmentation involves separating distinct regions in an image. In this note, we present a novel variational approach to perform this task. We propose an energy functional that nat...
Samuel Dambreville, Marc Niethammer, Anthony J. Ye...
ICASSP
2011
IEEE
13 years 15 days ago
A robust lip tracking algorithm using localized color active contours and deformable models
Lip tracking is crucial to the success of a lipreading recognition system. This paper presents a robust lip tracking algorithm using localized color active contours and deformable...
Xin Liu, Yiu-ming Cheung
ICIP
2005
IEEE
14 years 10 months ago
Active contours on statistical manifolds and texture segmentation
A new approach to active contours on statistical manifolds is presented. The statistical manifolds are 2dimensional Riemannian manifolds that are statistically defined by maps that...
Sang-Mook Lee, A. Lynn Abbott, Neil A. Clark, Phil...
CVBIA
2005
Springer
14 years 2 months ago
Fast 3D Brain Segmentation Using Dual-Front Active Contours with Optional User-Interaction
Abstract. Important attributes of 3D brain segmentation algorithms include robustness, accuracy, computational efficiency, and facilitation of user interaction, yet few algorithms ...
Hua Li, Anthony J. Yezzi, Laurent D. Cohen