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TPDS
2010
155views more  TPDS 2010»
13 years 5 months ago
Streamline: An Optimal Distribution Algorithm for Peer-to-Peer Real-Time Streaming
—In this paper we propose and evaluate an overlay distribution algorithm for P2P, chunk-based, streaming systems over forest-based topologies. In such systems, the stream is divi...
Giuseppe Bianchi, Nicola Blefari-Melazzi, Lorenzo ...
PAMI
2011
13 years 2 months ago
Approximately Global Optimization for Robust Alignment of Generalized Shapes
—In this paper, we introduce a novel method to solve shape alignment problems. We use gray-scale “images” to represent source shapes, and propose a novel two-component Gaussi...
Hongsheng Li, Tian Shen, Xiaolei Huang
JMLR
2010
147views more  JMLR 2010»
13 years 2 months ago
Image Denoising with Kernels Based on Natural Image Relations
A successful class of image denoising methods is based on Bayesian approaches working in wavelet representations. The performance of these methods improves when relations among th...
Valero Laparra, Juan Gutierrez, Gustavo Camps-Vall...
SIGMETRICS
2011
ACM
140views Hardware» more  SIGMETRICS 2011»
12 years 10 months ago
On the stability and optimality of universal swarms
Recent work on BitTorrent swarms has demonstrated that a bandwidth bottleneck at the seed can lead to the underutilization of the aggregate swarm capacity. Bandwidth underutilizat...
Xia Zhou, Stratis Ioannidis, Laurent Massouli&eacu...
SIGIR
2012
ACM
11 years 10 months ago
Time-based calibration of effectiveness measures
Many current effectiveness measures incorporate simplifying assumptions about user behavior. These assumptions prevent the measures from reflecting aspects of the search process...
Mark D. Smucker, Charles L. A. Clarke