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» Computing a Representation of the Local Environment
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CG
2007
Springer
15 years 6 months ago
A fast all nearest neighbor algorithm for applications involving large point-clouds
Algorithms that use point-cloud models make heavy use of the neighborhoods of the points. These neighborhoods are used to compute the surface normals for each point, mollificatio...
Jagan Sankaranarayanan, Hanan Samet, Amitabh Varsh...
ICDE
2006
IEEE
192views Database» more  ICDE 2006»
16 years 7 months ago
MAPLE: A Mobile Scalable P2P Nearest Neighbor Query System for Location-based Services
In this demonstration we present MAPLE, a scalable peer-to-peer Nearest Neighbor (NN) query system for mobile environments. MAPLE is designed for the efficient sharing of query re...
Wei-Shinn Ku, Roger Zimmermann, Chi-Ngai Wan, Haoj...
ICASSP
2009
IEEE
16 years 24 days ago
Role of head pose estimation in speech acquisition from distant microphones
Reverberant environments pose a challenge to speech acquisition from distant microphones. Approaches using microphone arrays have met with limited success. Recent research using a...
Shankar T. Shivappa, Bhaskar D. Rao, Mohan M. Triv...
WCNC
2008
IEEE
16 years 12 days ago
Directional Dependence of Large Scale Parameters in Wireless Channel Models
—In this paper the autocorrelation properties of shadow fading and angle spread at both the base station (BS) and at the mobile station (MS) are analyzed using urban macro cellul...
Niklas Jalden, Per Zetterberg, Björn E. Otter...
ICDE
2007
IEEE
120views Database» more  ICDE 2007»
16 years 11 days ago
Support Concurrent Queries in Multiuser CBIR Systems
Various techniques have been developed for different query types in content-based image retrieval (CBIR) systems such as sampling queries, constrained sampling queries, multiple c...
Danzhou Liu, Kien A. Hua