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IBPRIA
2005
Springer
15 years 11 months ago
Extracting Motion Features for Visual Human Activity Representation
This paper presents a technique to characterize human actions in visual surveillance scenarios in order to describe, in a qualitative way, basic human movements in general imaging ...
Filiberto Pla, Pedro Canotilho Ribeiro, José...
IBPRIA
2003
Springer
15 years 11 months ago
Active Region Segmentation of Mammographic Masses Based on Texture, Contour and Shape Features
Abstract. In this paper we propose a supervised method for the segmentation of masses in mammographic images. The algorithm starts with a selected pixel inside the mass, which has ...
Joan Martí, Jordi Freixenet, Xavier Mu&ntil...
ICCV
1995
IEEE
15 years 9 months ago
A Quantitative Analysis of View Degeneracy and its use for Active Focal Length control
W e quantify the observation by Kender and Freudenstein [6] that degenerate views occupy a significant fraction of the viewing sphere surrounding an object. This demonstrates that...
David Wilkes, Sven J. Dickinson, John K. Tsotsos
ICASSP
2011
IEEE
14 years 9 months 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
PREMI
2005
Springer
15 years 11 months ago
Illumination Invariant Face Alignment Using Multi-band Active Appearance Model
Abstract. In this study, we present a new multi-band image representation for improving AAM segmentation accuracy for illumination invariant face alignment. AAM is known to be very...
Fatih Kahraman, Muhittin Gökmen