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ICASSP
2008
IEEE
16 years 1 months ago
Overlapped speech detection for improved speaker diarization in multiparty meetings
State-of-the-art speaker diarization systems for meetings are now at a point where overlapped speech contributes significantly to the errors made by the system. However, little i...
Kofi Boakye, B. Trueba-Hornero, Oriol Vinyals, Ger...
ICC
2008
IEEE
105views Communications» more  ICC 2008»
16 years 1 months ago
Scheduling and Pre-Conditioning in Multi-User MIMO TDD Systems
Abstract—The downlink transmission in multi-user multipleinput multiple-output (MIMO) systems has been extensively studied from both communication-theoretic and information-theor...
Jubin Jose, Alexei Ashikhmint, Phil Whiting, Srira...
ICC
2008
IEEE
130views Communications» more  ICC 2008»
16 years 1 months ago
A Polynomial-Time Approximation Algorithm for Weighted Sum-Rate Maximization in UWB Networks
— Scheduling in an ad hoc wireless network suffers from the non-convexity of the cost function, caused by the interference between communication links. In previous optimization t...
Gyouhwan Kim, Qiao Li, Rohit Negi
ICDM
2008
IEEE
252views Data Mining» more  ICDM 2008»
16 years 1 months ago
Data Mining for Climate Change and Impacts
Knowledge discovery from temporal, spatial and spatiotemporal data is critical for climate change science and climate impacts. Climate statistics is a mature area. However, recent...
Auroop R. Ganguly, Karsten Steinhaeuser
ICIP
2008
IEEE
16 years 1 months ago
Gradual transition detection using color coherence and other criteria in a video shot meta-segmentation framework
Shot segmentation provides the basis for almost all high-level video content analysis approaches, validating it as one of the major prerequisites for efficient video semantic ana...
Efthymia Tsamoura, Vasileios Mezaris, Ioannis Komp...