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IJCV
2010
165views more  IJCV 2010»
15 years 5 months ago
Shape-based Invariant Texture Indexing
This paper introduces a new texture analysis scheme, which is invariant to local geometric and radiometric changes. The proposed methodology relies on the topographic map of images...
Gui-Song Xia, Julie Delon, Yann Gousseau
ICPR
2002
IEEE
16 years 7 months ago
Radial Projections for Non-Linear Feature Extraction
In this work, two new techniques for non-linear feature extraction are presented. In these techniques, new features are obtained as radial projections of the original measurements...
Alberto J. Pérez Jiménez, Juan Carlo...
ACIVS
2005
Springer
16 years 20 hour ago
A New Voting Algorithm for Tracking Human Grasping Gestures
Abstract. This article deals with a monocular vision system for grasping gesture acquisition. This system could be used for medical diagnostic, robot or game control. We describe a...
Pablo Negri, Xavier Clady, Maurice Milgram
ICBA
2004
Springer
147views Biometrics» more  ICBA 2004»
15 years 12 months ago
Watermarking of MPEG-4 Videos
A MPEG-4 compressed domain video watermarking method is proposed and its performance is studied at video bit rates ranging from 64 Kb/s to 900 Kb/s. The watermark is inserted by mo...
Abhinav Gupta, Phalguni Gupta
CORR
2007
Springer
75views Education» more  CORR 2007»
15 years 6 months ago
On Ullman's theorem in computer vision
Both in the plane and in space, we invert the nonlinear Ullman transformation for 3 points and 3 orthographic cameras. While Ullman’s theorem assures a unique reconstruction mod...
Oliver Knill, Jose Ramirez-Herran