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» An Exploration of the Permanent-Determinant Method
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ICASSP
2011
IEEE
14 years 10 months ago
Video thumbnail extraction using video time density function and independent component analysis mixture model
In this paper, we propose a new vector quantization method to create video thumbnail. In particular, we employ video time density function (VTDF) to explore the temporal character...
Junfeng Jiang, Xiao-Ping Zhang
SECON
2007
IEEE
16 years 23 days ago
On the Prevalence of Sensor Faults in Real-World Deployments
—Various sensor network measurement studies have reported instances of transient faults in sensor readings. In this work, we seek to answer a simple question: How often are such ...
Abhishek Sharma, Leana Golubchik, Ramesh Govindan
CORR
2010
Springer
96views Education» more  CORR 2010»
15 years 6 months ago
LSMR: An iterative algorithm for sparse least-squares problems
Abstract. An iterative method LSMR is presented for solving linear systems Ax = b and leastsquares problem min Ax - b 2, with A being sparse or a fast linear operator. LSMR is base...
David Fong, Michael Saunders
ACML
2009
Springer
16 years 1 months ago
Estimating Likelihoods for Topic Models
Abstract. Topic models are a discrete analogue to principle component analysis and independent component analysis that model topic at the word level within a document. They have ma...
Wray L. Buntine
ICIW
2008
IEEE
16 years 28 days ago
A Collaborative Information Aggregation System for Idea Management
Collaborative systems and methods are used in companies to support innovation and management of new ideas. The aggregation of innovation-related information from a community of us...
Efthimios Bothos, Dimitris Apostolou, Gregoris Men...