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ICASSP
2011
IEEE
14 years 3 months ago
Variational methods for spectral unmixing of hyperspectral images
This paper studies a variational Bayesian unmixing algorithm for hyperspectral images based on the standard linear mixing model. Each pixel of the image is modeled as a linear com...
Olivier Eches, Nicolas Dobigeon, Jean-Yves Tourner...
STOC
2005
ACM
112views Algorithms» more  STOC 2005»
16 years 5 days ago
The complexity of agreement
A celebrated 1976 theorem of Aumann asserts that honest, rational Bayesian agents with common priors will never "agree to disagree": if their opinions about any topic ar...
Scott Aaronson
ESA
2007
Springer
176views Algorithms» more  ESA 2007»
15 years 6 months ago
Arrangements in Geometry: Recent Advances and Challenges
We review recent progress in the study of arrangements in computational and combinatorial geometry, and discuss several open problems and areas for further research. In this talk I...
Micha Sharir
ICDM
2006
IEEE
122views Data Mining» more  ICDM 2006»
15 years 6 months ago
Latent Friend Mining from Blog Data
The rapid growth of blog (also known as “weblog”) data provides a rich resource for social community mining. In this paper, we put forward a novel research problem of mining t...
Dou Shen, Jian-Tao Sun, Qiang Yang, Zheng Chen
AIED
2007
Springer
15 years 6 months ago
Investigating Generative Factors of Score Matrices
An implicit assumption in psychometrics and educational statistics is that the generative model for student scores on test questions is governed by the topics of those questions an...
Titus Winters, Christian R. Shelton, Tom Payne