498 search results - page 21 / 100 » Estimating Robust Query Models with Convex Optimization |
CVPR
2012
IEEE
11 years 10 months ago
2012
IEEE
We propose an unsupervised image segmentation method based on texton similarity and mode seeking. The input image is first convolved with a filter-bank, followed by soft cluster...
WSC
2001
13 years 9 months ago
2001
Variance is a classical measure of a point estimator's sampling error. In steady-state simulation experiments, many estimators of this variance--or its square root, the stand...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
We study retinal curvature estimation from multiple images that provides the fundamental geometry of human retina. We use an affine camera model due to its simplicity, linearity, ...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...