Sciweavers

ICIP
2010
IEEE
13 years 10 months ago
Multi-spectral image analysis for skin pigmentation classification
In this paper, we compare two different approaches for semiautomatic detection of skin hyper-pigmentation on multispectral images. These two methods are support vector machine (SV...
Sylvain Prigent, Xavier Descombes, Didier Zugaj, P...
ICIP
2010
IEEE
13 years 10 months ago
Detecting pitching frames in baseball game video using Markov random walk
Pitching is the starting point of an event in baseball games. Hence, locating pitching shots is a critical step in content analysis of a baseball game video. However, pitching fra...
Chih-Yi Chiu, Po-Chih Lin, Wei-Ming Chang, Hsin-Mi...
ICIP
2010
IEEE
13 years 10 months ago
Randomized motion estimation
Motion estimation is known to be a non-convex optimization problem. This non-convexity comes from several ambiguities in motion estimation such as the aperture problem, or fast mo...
Sylvain Boltz, Frank Nielsen
ICIP
2010
IEEE
13 years 10 months ago
Shape from shading for hybrid surfaces as applied to tooth reconstruction
Accurate 3-D modeling of the human teeth helps patients avoid the discomfort of the mold process, and improves the data accuracy for oral surgeons, orthodontists and dental care p...
Cambron N. Carter, Rosario J. Pusateri, Dongqing C...
ICIP
2010
IEEE
13 years 10 months ago
Hierarchical multiscale LBP for face and palmprint recognition
Local binary pattern (LBP), fast and simple for implementation, has shown its superiority in face and palmprint recognition. To extract representative features, "uniform"...
Zhenhua Guo, Lei Zhang, David Zhang, Xuanqin Mou
ICIP
2010
IEEE
13 years 10 months ago
Gradient field descriptor for sketch based retrieval and localization
We present an image retrieval system driven by free-hand sketched queries depicting shape. We introduce Gradient Field HoG (GF-HOG) as a depiction invariant image descriptor, enca...
Rui Hu, Mark Barnard, John P. Collomosse
ICIP
2010
IEEE
13 years 10 months ago
Performance impact of ordinal ranking on content fingerprinting
Content fingerprinting provides a compact representation of multimedia objects for copy identification. This paper analyzes the impact of the ordinal-ranking based feature encodin...
Wei-Hong Chuang, Avinash L. Varna, Min Wu
ICIP
2010
IEEE
13 years 10 months ago
Constructing a sparse convolution matrix for shift varying image restoration problems
Convolution operator is a linear operator characterized by a point spread functions (PSF). In classical image restoration problems, the blur is usually shift invariant and so the ...
Stanley H. Chan