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DAS
2008
Springer
14 years 2 days ago
Symbol Descriptor Based on Shape Context and Vector Model of Information Retrieval
In this paper we present an adaptive method for graphic symbol representation based on shape contexts. The proposed descriptor is invariant under classical geometric transforms (r...
T.-O. Nguyen, Salvatore Tabbone, Oriol Ramos Terra...
CDC
2009
IEEE
176views Control Systems» more  CDC 2009»
14 years 3 months ago
Dynamics of a 3D elastic string pendulum
— This paper presents an analytical model and a geometric numerical integrator for a rigid body connected to an elastic string, acting under a gravitational potential. Since the ...
Taeyoung Lee, Melvin Leok, N. Harris McClamroch
STOC
2012
ACM
251views Algorithms» more  STOC 2012»
12 years 22 days ago
Minimax option pricing meets black-scholes in the limit
Option contracts are a type of financial derivative that allow investors to hedge risk and speculate on the variation of an asset’s future market price. In short, an option has...
Jacob Abernethy, Rafael M. Frongillo, Andre Wibiso...
CVPR
2008
IEEE
15 years 10 days ago
Object recognition and segmentation by non-rigid quasi-dense matching
In this paper, we present a non-rigid quasi-dense matching method and its application to object recognition and segmentation. The matching method is based on the match propagation...
Esa Rahtu, Janne Heikkilä, Juho Kannala, Sami...
ICCV
2005
IEEE
14 years 3 months ago
More-Than-Topology-Preserving Flows for Active Contours and Polygons
Active contour and active polygon models have been used widely for image segmentation. In some applications, the topology of the object(s) to be detected from an image is known a ...
Ganesh Sundaramoorthi, Anthony J. Yezzi