272 search results - page 9 / 55 » Unsupervised Learning of Hierarchical Spatial Structures In ... |
CVPR
2010
IEEE
14 years 7 months ago
2010
IEEE
In this paper, we propose a novel supervised hierarchical sparse coding model based on local image descriptors for classification tasks. The supervised dictionary training is perf...
CVPR
2012
IEEE
12 years 1 months ago
2012
IEEE
In this paper, we present an efficient general-purpose objective no-reference (NR) image quality assessment (IQA) framework based on unsupervised feature learning. The goal is to...
TIP
2002
13 years 10 months ago
2002
An unsupervised classification algorithm is derived by modeling observed data as a mixture of several mutually exclusive classes that are each described by linear combinations of i...
CVPR
2008
IEEE
15 years 24 days ago
2008
IEEE
In this paper, we present an approach we refer to as "least squares congealing" which provides a solution to the problem of aligning an ensemble of images in an unsuperv...
ICVGIP
2004
14 years 5 days ago
2004
We propose a new unsupervised learning method to obtain a layered pictorial structure (LPS) representation of an articulated object from video sequences. It will be seen that this...