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ICIP
2009
IEEE
14 years 3 months ago
On the Use of Color Appearance Modeling for Efficient Compressed-Domain Image Enhancement
In this paper we propose a compressed-domain image enhancement algorithm based on color appearance modeling. We aim at providing an efficient high-quality JPEG color image enhancem...
Maria Chatzigiorgaki, Athanassios N. Skodras
ICMCS
2005
IEEE
148views Multimedia» more  ICMCS 2005»
13 years 10 months ago
Compressed Domain Image Indexing and Retrieval Based on the Minimal Spanning Tree
In this paper, a method for content-based retrieval of JPEG images is presented, utilizing features directly from the discrete cosine transform (DCT) domain. Image indexing is ach...
Christos Theoharatos, Vassilios K. Pothos, George ...
ICIP
2007
IEEE
14 years 6 months ago
Multi-Modal Particle Filtering Tracking using Appearance, Motion and Audio Likelihoods
We propose a multi-modal object tracking algorithm that combines appearance, motion and audio information in a particle filter. The proposed tracker fuses at the likelihood level ...
Matteo Bregonzio, Murtaza Taj, Andrea Cavallaro
CVPR
2008
IEEE
14 years 6 months ago
Adaptive and constrained algorithms for inverse compositional Active Appearance Model fitting
Parametric models of shape and texture such as Active Appearance Models (AAMs) are diverse tools for deformable object appearance modeling and have found important applications in...
George Papandreou, Petros Maragos
ICMCS
2007
IEEE
169views Multimedia» more  ICMCS 2007»
13 years 11 months ago
Identifying Computer Graphics using HSV Color Model and Statistical Moments of Characteristic Functions
Computer graphics generated by advanced rendering software come to appear so photorealistic that it has become difficult for people to visually differentiate them from photographi...
Wen Chen, Yun Q. Shi, Guorong Xuan