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ICIP
2009
IEEE
13 years 1 months ago
Model based analysis for quantization parameter cascading in hierarchical video coding
Originally, the hierarchical coding structure was proposed to achieve temporal scalability. Soon after, it was realized that with a proper quantization parameter cascading (QPC) s...
Xiang Li, Peter Amon, Andreas Hutter, André...
ICIP
2009
IEEE
13 years 1 months ago
Eye reflection analysis and application to display-camera calibration
We present a novel technique for calibrating display-camera systems from reflections in the user's eyes. Display-camera systems enable a range of vision applications that nee...
Christian Nitschke, Atsushi Nakazawa, Haruo Takemu...
ICIP
2009
IEEE
13 years 1 months ago
Joint deconvolution and demosaicing
We present a new method to jointly perform deblurring and colordemosaicing of RGB images. Our method is derived following an inverse problem approach in a MAP framework. To avoid ...
Ferréol Soulez, Eric Thiébaut
ICIP
2009
IEEE
13 years 1 months ago
Blind and robust mesh watermarking using manifold harmonics
In this paper, we present a new blind and robust 3-D mesh watermarking scheme that makes use of the recently proposed manifold harmonics analysis. The mesh spectrum coefficient am...
Kai Wang, Ming Luo, Adrian G. Bors, Florence Denis
ICIP
2009
IEEE
13 years 1 months ago
Multi-object tracking in non-stationary video using bacterial foraging swarms
One of the key problems in the field of image processing is object tracking in video. Multiple objects, occlusion, and non-stationary video are some of the challenges that one may...
Hoang Thanh Nguyen, Bir Bhanu
ICIP
2009
IEEE
13 years 1 months ago
Labelfaces: Parsing facial features by multiclass labeling with an epitome prior
We consider the problem of parsing facial features from an image labeling perspective. We learn a per-pixel unary classifier, and a prior over expected label configurations, allow...
Jonathan Warrell, Simon J. D. Prince
ICIP
2009
IEEE
13 years 1 months ago
Efficient design of 2-D nonseparable filters of low complexity
By using Semi-Definite Programming (SDP) as a tool, a new deign for Two-Dimensional (2-D) Diamond-Shaped (DS) filters is developed. Surprisingly, the diamond shape of the filter is...
Kaveh Fanian, Hoang Duong Tuan, Truong Q. Nguyen
ICIP
2009
IEEE
13 years 1 months ago
Genetic algorithms for 3d reconstruction with supershapes
Supershape model is a recent primitive that represents numerous 3D shapes with several symmetry axes. The main interest of this model is its capability to reconstruct more complex...
Sophie Voisin, Mongi A. Abidi, Sebti Foufou, Fr&ea...
ICIP
2009
IEEE
13 years 1 months ago
Text segmentation in natural scenes using Toggle-Mapping
We offer, in this paper, a new method to segment text in natural scenes. This method is based on the use of a morphological operator: the Toggle Mapping. The efficiency of the met...
Jonathan Fabrizio, Beatriz Marcotegui, Matthieu Co...
ICIP
2009
IEEE
13 years 1 months ago
Optimization on active learning strategy for object category retrieval
Active learning is a framework that has attracted a lot of research interest in the content-based image retrieval (CBIR) in recent years. To be effective, an active learning syste...
David Gorisse, Matthieu Cord, Frédér...