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CHI
1999
ACM
14 years 1 months ago
Design Guidelines for Landmarks to Support Navigation in Virtual Environments
not abstract asymmetry: different sides looks different clumps different from ”data objects” need grid structure, alignment [Design Guidelines for Landmarks to Support Navigati...
Norman G. Vinson
AIPS
2008
13 years 11 months ago
Efficient ADD Operations for Point-Based Algorithms
During the past few years, point-based POMDP solvers have gradually scaled up to handle medium sized domains through better selection of the set of points and efficient backup met...
Guy Shani, Pascal Poupart, Ronen I. Brafman, Solom...
CORR
2008
Springer
102views Education» more  CORR 2008»
13 years 9 months ago
On some deterministic dictionaries supporting sparsity
We describe a new construction of an incoherent dictionary, referred to as the oscillator dictionary, which is based on considerations in the representation theory of finite groups...
Shamgar Gurevich, Ronny Hadani, Nir A. Sochen
TSP
2008
69views more  TSP 2008»
13 years 9 months ago
A Frame Construction and a Universal Distortion Bound for Sparse Representations
Abstract-- We consider approximations of signals by the elements of a frame in a complex vector space of dimension N and formulate both the noiseless and the noisy sparse represent...
Mehmet Akçakaya, Vahid Tarokh
ICIP
2008
IEEE
14 years 3 months ago
A systematic study of the role of context on image classification
We present the results of a systematic study of the contextual gain hypothesis for image classification. This hypothesis relates the traditional strategy of direct visual classi...
Nikhil Rasiwasia, Nuno Vasconcelos