315 search results - page 30 / 63 » An Optimal Algorithm for the Maximum-Density Segment Problem |
SIGMOD
2009
ACM
14 years 7 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...
STOC
1995
ACM
13 years 11 months ago
1995
ACM
We relate the sequence of minimum bases of a matroid with linearly varying weights to three problems from combinatorial geometry: k-sets, lower envelopes of line segments, and con...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
The two major problems raised by a region-based image retrieval system are the automatic definition and description of regions. In this paper we first present a technique of unsup...
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
This paper studies the problem of learning a full range of pairwise affinities gained by integrating local grouping cues for spectral segmentation. The overall quality of the spect...
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
In this paper, we describe a method for segmenting fiber bundles from diffusion-weighted magnetic resonance images using a locally-constrained region based approach. From a pre-co...