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ICPR
2004
IEEE
16 years 5 months ago
Coordinate Systems Reconstruction for Graphical Documents by Hough-feature Clustering and Geometric Analysis
Two-dimensional and three-dimensional coordinate systems are the basic graphics symbols in many graphical documents. A robust coordinate system detection scheme is needed in order...
Chew Lim Tan, Yan Ping Zhou
ICPR
2006
IEEE
15 years 10 months ago
Unsupervised Discriminant Projection Analysis for Feature Extraction
This paper develops an unsupervised discriminant projection (UDP) technique for feature extraction. UDP takes the local and non-local information into account, seeking to find a p...
Jian Yang, David Zhang, Zhong Jin, Jing-Yu Yang
ICCV
1995
IEEE
15 years 7 months ago
A Quantitative Analysis of View Degeneracy and its use for Active Focal Length control
W e quantify the observation by Kender and Freudenstein [6] that degenerate views occupy a significant fraction of the viewing sphere surrounding an object. This demonstrates that...
David Wilkes, Sven J. Dickinson, John K. Tsotsos
ECCV
2010
Springer
15 years 6 months ago
Object Segmentation by Long Term Analysis of Point Trajectories
Unsupervised learning requires a grouping step that defines which data belong together. A natural way of grouping in images is the segmentation of objects or parts of objects. Whi...
MVA
2007
158views Computer Vision» more  MVA 2007»
15 years 3 months ago
Development of Ladder-type Laser Scanning System for 3-D Modeling of Vertical and Narrow Areas by Space-time Analysis
In this paper, we propose a novel type of 3-D scanning system named ‘Ladder-type laser scanning system,’ designed for scanning vertical and narrow areas. Two line scanners are...
Shintaro Ono, Katsushi Ikeuchi