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CVPR
2008
IEEE
15 years 24 days ago
Integrated feature selection and higher-order spatial feature extraction for object categorization
In computer vision, the bag-of-visual words image representation has been shown to yield good results. Recent work has shown that modeling the spatial relationship between visual ...
David Liu, Gang Hua, Paul A. Viola, Tsuhan Chen
IROS
2006
IEEE
132views Robotics» more  IROS 2006»
14 years 4 months ago
Supervised Learning of Topological Maps using Semantic Information Extracted from Range Data
Abstract— This paper presents an approach to create topological maps from geometric maps obtained with a mobile robot in an indoor-environment using range data. Our approach util...
Óscar Martínez Mozos, Wolfram Burgar...
TRECVID
2008
14 years 6 days ago
XJTU at TRECVID2008 High-Level Feature Extraction
In this paper, we present our experiments in TRECVID 2008 about High-Level feature extraction task. This is the first year for our participation in TRECVID, our system adopts some...
Zhe Wang, Guizhong Liu, Xueming Qian, Zhi Li, Danp...
ACL
2006
14 years 5 days ago
Minority Vote: At-Least-N Voting Improves Recall for Extracting Relations
Several NLP tasks are characterized by asymmetric data where one class label NONE, signifying the absence of any structure (named entity, coreference, relation, etc.) dominates al...
Nanda Kambhatla
IEICET
2010
124views more  IEICET 2010»
13 years 5 months ago
Fast Polar and Spherical Fourier Descriptors for Feature Extraction
Polar Fourier Descriptor(PFD) and Spherical Fourier Descriptor(SFD) are rotation invariant feature descriptors for two dimensional(2D) and three dimensional(3D) image retrieval an...
Zhuo Yang, Sei-ichiro Kamata