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» A Projective Invariant for Textures
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IJSEKE
2002
84views more  IJSEKE 2002»
13 years 7 months ago
HEAT: Hierarchical Entropy Approach for Texture Indexing in Image Databases
This paper illustrates a method, called heat, for image indexing based on texture information. The texture's partitioning element is first put into 1-D form and then its Hier...
Riccardo Distasi, Michele Nappi, Sergio Vitulano
ICIP
2010
IEEE
13 years 5 months ago
Learning simple texture discrimination filters
Current texture analysis methods enable good discrimination but are computationally too expensive for applications which require high frame rates. This occurs because they use red...
Rui F. C. Guerreiro, Pedro M. Q. Aguiar
AVBPA
2003
Springer
235views Biometrics» more  AVBPA 2003»
14 years 23 days ago
Expression-Invariant 3D Face Recognition
We present a novel 3D face recognition approach based on geometric invariants introduced by Elad and Kimmel. The key idea of the proposed algorithm is a representation of the facia...
Alexander M. Bronstein, Michael M. Bronstein, Ron ...
SCIA
2007
Springer
14 years 1 months ago
Shadow Resistant Direct Image Registration
Direct image registration methods usually treat shadows as outliers. We propose a method which registers images in a 1D shadow invariant space. Shadow invariant image formation is ...
Daniel Pizarro, Adrien Bartoli
CVPR
1996
IEEE
14 years 9 months ago
Minimal operator set for passive depth from defocus
A fundamental problem in depth from defocus is the measurement of relative defocus between images. We propose a class of broadband operators that, when used together, provide inva...
Masahiro Watanabe, Shree K. Nayar