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» A Geometric Functional for Derivatives Approximation
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ICML
2007
IEEE
14 years 8 months ago
Constructing basis functions from directed graphs for value function approximation
Basis functions derived from an undirected graph connecting nearby samples from a Markov decision process (MDP) have proven useful for approximating value functions. The success o...
Jeffrey Johns, Sridhar Mahadevan
ICFHR
2010
136views Biometrics» more  ICFHR 2010»
13 years 2 months ago
Digital Ink Compression via Functional Approximation
Representing digital ink traces as points in a function space has proven useful for online recognition. Ink trace coordinates or their integral invariants are written as parametri...
Vadim Mazalov, Stephen M. Watt
COMGEO
2012
ACM
12 years 3 months ago
Preserving geometric properties in reconstructing regions from internal and nearby points
The problem of reconstructing a region from a set of sample points is common in many geometric applications, including computer vision. It is very helpful to be able to guarantee ...
Ernest Davis
MOR
2010
115views more  MOR 2010»
13 years 2 months ago
Directional Derivatives of Oblique Reflection Maps
Given an oblique reflection map and functions , Dlim (the space of functions that have left and right limits at every point), the directional derivative () of along , evaluate...
Avi Mandelbaum, Kavita Ramanan
SMA
2008
ACM
154views Solid Modeling» more  SMA 2008»
13 years 7 months ago
Consistent computation of first- and second-order differential quantities for surface meshes
Differential quantities, including normals, curvatures, principal directions, and associated matrices, play a fundamental role in geometric processing and physics-based modeling. ...
Xiangmin Jiao, Hongyuan Zha