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ICIP
2001
IEEE
15 years 11 months ago
Extraction of rotation invariant signature based on fractal geometry
In this paper, a new method of feature extraction with rotation invariant property is presented. One of the main contributions of this study is that a rotation invariant signature...
Yu Tao, Thomas R. Ioerger, Yuan Yan Tang
EDBT
2002
ACM
136views Database» more  EDBT 2002»
15 years 10 months ago
The Geometry of Uncertainty in Moving Objects Databases
Abstract. This work addresses the problem of querying moving objects databases. which capture the inherent uncertainty associated with the location of moving point objects. We addr...
Goce Trajcevski, Ouri Wolfson, Fengli Zhang, Sam C...
ISBI
2007
IEEE
15 years 4 months ago
Head and Neck Cancer Patient Similarity Based on Anatomical Structural Geometry
As we develop radiation treatment planning systems for head and neck cancer patients, there is a need to identify reference patients whose anatomical structures share similar feat...
Chia-Chi Teng, Linda G. Shapiro, Ira J. Kalet, Car...
ECCV
2010
Springer
15 years 2 months ago
Blocks World Revisited: Image Understanding using Qualitative Geometry and Mechanics
Since most current scene understanding approaches operate either on the 2D image or using a surface-based representation, they do not allow reasoning about the physical constrain...
Abhinav Gupta, Alexei A. Efros, Martial Hebert
AAAI
2007
15 years 10 days ago
Simple Robots with Minimal Sensing: From Local Visibility to Global Geometry
We consider problems of geometric exploration and selfdeployment for simple robots that can only sense the combinatorial (non-metric) features of their surroundings. Even with suc...
Subhash Suri, Elias Vicari, Peter Widmayer