85 search results - page 4 / 17 » Putting local features on a Manifold |
ACCV
2007
Springer
13 years 11 months ago
2007
Springer
Feature representation and classification are two major issues in facial expression analysis. In the past, most methods used either holistic or local representation for analysis. ...
WSCG
2003
13 years 6 months ago
2003
We describe techniques to establish local frames over point-sampled manifold surfaces. The tangential alignment of local frames is determined using a wave front algorithm starting...
CVPR
2007
IEEE
14 years 7 months ago
2007
IEEE
In this paper, we propose a novel learning-based method for image hallucination, with image super-resolution being a specific application that we focus on here. Given a low-resolu...
PR
2006
13 years 5 months ago
2006
We present a novel multiscale clustering algorithm inspired by algebraic multigrid techniques. Our method begins with assembling data points according to local similarities. It us...
PR
2010
13 years 4 months ago
2010
We develop a supervised dimensionality reduction method, called Lorentzian Discriminant Projection (LDP), for feature extraction and classification. Our method represents the str...