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BMCBI
2008
103views more  BMCBI 2008»
13 years 5 months ago
Parameter estimation for robust HMM analysis of ChIP-chip data
Background: Tiling arrays are an important tool for the study of transcriptional activity, proteinDNA interactions and chromatin structure on a genome-wide scale at high resolutio...
Peter Humburg, David Bulger, Glenn Stone
ICPR
2006
IEEE
14 years 6 months ago
Texture-Constrained Shape Prediction for Mouth Contour Extraction and its State Estimation
In this paper, we present an automatic mouth contour and state estimation system. An efficient mouth contour extraction algorithm is proposed under the framework of Active Shape M...
Zhaorong Li, Haizhou Ai
RAS
2002
91views more  RAS 2002»
13 years 4 months ago
Foveated active tracking with redundant 2D motion parameters
This work presents a real-time active vision tracking system based on log-polar image motion estimation with 2D geometric deformation models. We present a very efficient parametri...
Alexandre Bernardino, José Santos-Victor, G...
FGR
2008
IEEE
195views Biometrics» more  FGR 2008»
13 years 11 months ago
Regularized active shape model for shape alignment
Active shape model (ASM) statistically represents a shape by a set of well-defined landmark points and models object variations using principal component analysis (PCA). However, ...
Ran He, Zhen Lei, Xiaotong Yuan, Stan Z. Li
ACCV
2007
Springer
13 years 11 months ago
Coarse-to-Fine Statistical Shape Model by Bayesian Inference
In this paper, we take a predefined geometry shape as a constraint for accurate shape alignment. A shape model is divided in two parts: fixed shape and active shape. The fixed shap...
Ran He, Stan Z. Li, Zhen Lei, ShengCai Liao