Sciweavers

CVPR
2004
IEEE
14 years 11 months ago
Sharing Features: Efficient Boosting Procedures for Multiclass Object Detection
We consider the problem of detecting a large number of different object classes in cluttered scenes. Traditional approaches require applying a battery of different classifiers to ...
Antonio B. Torralba, Kevin P. Murphy, William T. F...
CVPR
2004
IEEE
14 years 11 months ago
Random Sampling Based SVM for Relevance Feedback Image Retrieval
Relevance feedback (RF) schemes based on support vector machine (SVM) have been widely used in content-based image retrieval. However, the performance of SVM based RF is often poo...
Dacheng Tao, Xiaoou Tang
CVPR
2004
IEEE
14 years 11 months ago
Frame Synchronization and Multi-Level Subspace Analysis for Video Based Face Recognition
In this paper, we develop a new video-to-video face recognition algorithm. The major advantage of the video based method is that more information is available in a video sequence ...
Xiaoou Tang, Zhifeng Li
CVPR
2004
IEEE
14 years 11 months ago
Perspective Shape-from-Shading by Fast Marching
Shape-from-Shading (SfS) is a fundamental problem in Computer Vision. At its basis lies the image irradiance equation. Recently, the authors proposed to base the image irradiance ...
Ariel Tankus, Nir A. Sochen, Yehezkel Yeshurun
CVPR
2004
IEEE
14 years 11 months ago
Difference Sphere: An Approach to Near Light Source Estimation
We present a novel approach for estimating light sources from a single image of a scene that is illuminated by major near point light sources, a few directional light sources and ...
Takeshi Takai, Koichiro Niinuma, Atsuto Maki, Taka...
CVPR
2004
IEEE
14 years 11 months ago
Automatic Cascade Training with Perturbation Bias
Face detection methods based on a cascade architecture have demonstrated fast and robust performance. Cascade learning is aided by the modularity of the architecture in which node...
Jie Sun, James M. Rehg, Aaron F. Bobick
CVPR
2004
IEEE
14 years 11 months ago
Thermal Face Recognition in an Operational Scenario
We present results on the latest advances in thermal infrared face recognition, and its use in combination with visible imagery. Previous research has shown high performance under...
Diego A. Socolinsky, Andrea Selinger
CVPR
2004
IEEE
14 years 11 months ago
Reconstructing Open Surfaces from Unorganized Data Points
In this paper a method for fitting open surfaces to an unorganized set of data points is presented using a level set representation of the surface. This is done by tracking a curv...
Jan Erik Solem, Anders Heyden
CVPR
2004
IEEE
14 years 11 months ago
Variational Mixture Smoothing for Non-Linear Dynamical Systems
Cristian Sminchisescu, Allan D. Jepson
CVPR
2004
IEEE
14 years 11 months ago
Integrating and Employing Multiple Levels of Zoom for Activity Recognition
Paul Smith, Mubarak Shah, Niels da Vitoria Lobo