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MIR
2010
ACM
229views Multimedia» more  MIR 2010»
14 years 2 months ago
Wavelet, active basis, and shape script: a tour in the sparse land
Sparse coding is a key principle that underlies wavelet representation of natural images. In this paper, we explain that the effort of seeking a common wavelet sparse coding of i...
Zhangzhang Si, Ying Nian Wu
SI3D
2010
ACM
14 years 2 months ago
Interactive volume caustics in single-scattering media
Volume caustics are intricate illumination patterns formed by light first interacting with a specular surface and subsequently being scattered inside a participating medium. Alth...
Wei Hu, Zhao Dong, Ivo Ihrke, Thorsten Grosch, Guo...
SI3D
2010
ACM
14 years 2 months ago
Fast capacity constrained Voronoi tessellation
Lloyd relaxation is widely employed to generate point distribution for a variety of applications in computer graphics, computer vision, and image processing. However, Lloyd relaxa...
Hongwei Li, Diego Nehab, Li-Yi Weiy, Pedro V. Sand...
ICDCN
2010
Springer
14 years 2 months ago
Bandwidth Provisioning in Infrastructure-Based Wireless Networks Employing Directional Antennas
Abstract— Motivated by the widespread proliferation of wireless networks employing directional antennas, we study the problem of provisioning bandwidth in such networks. Given a ...
Shiva Prasad Kasiviswanathan, Bo Zhao, Sudarshan V...
PADS
2009
ACM
14 years 2 months ago
Scalable Time Warp on Blue Gene Supercomputers
Abstract—In this paper we illustrate scalable parallel performance for the Time Warp synchronization protocol on the L and P variants of the IBM Blue Gene supercomputer. Scalable...
David W. Bauer, Christopher D. Carothers, Akintayo...