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CVPR
2010
IEEE
14 years 6 months ago
A theory of phase-sensitive rotation invariance with spherical harmonic and moment-based representations
This paper describes how phase-sensitive rotation invariants for three-dimensional data may be obtained. A “bispectrum” is formulated for rotations, and its properties are der...
Ramakrishna Kakarala, Dansheng Mao
ICPR
2010
IEEE
14 years 5 months ago
A Graph Matching Algorithm using Data-Driven Markov Chain Monte Carlo Sampling
We propose a novel stochastic graph matching algorithm based on data-driven Markov Chain Monte Carlo (DDMCMC) sampling technique. The algorithm explores the solution space efficien...
Jungmin Lee, Minsu Cho, Kyoung Mu Lee
ICPR
2008
IEEE
14 years 4 months ago
Rayleigh segmentation of the endocardium in ultrasound images
In this paper we present the Coupled Active Contours (CAC) model, which is applied to segmentation of the endocardium in ultrasonic images assuming Rayleigh distributed intensitie...
Mattias Hansson, Niels Chr. Overgaard, Anders Heyd...
IAT
2007
IEEE
14 years 4 months ago
Agent Based Arabic Language Understanding
Arabic Language understanding (ALU) computing is considered an AI-hard task. In this paper, we propose an Agent model for ALU problem. This agent is detailed in this paper. An ALU...
Muhammad Taha, Tarek Helmy, Reda Abo Alez
ICMCS
2007
IEEE
203views Multimedia» more  ICMCS 2007»
14 years 4 months ago
Attacking Some Perceptual Image Hash Algorithms
Perceptual hashing is an emerging solution for multimedia content authentication. Due to their robustness, such techniques might not work well when malicious attack is perceptuall...
Li Weng, Bart Preneel