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ICASSP
2011
IEEE
14 years 10 months ago
A robust feature extraction algorithm based on class-Modular Image Principal Component Analysis for face verification
Face verification systems reach good performance on ideal environmental conditions. Conversely, they are very sensitive to non-controlled environments. This work proposes the cla...
Jose Francisco Pereira, Rafael M. Barreto, George ...
AIED
2011
Springer
14 years 10 months ago
Observations of Collaboration in Cognitive Tutor Use in Latin America
Cognitive tutoring systems have proven to be effective at improving mathematics learning in economically developed countries, but little is known about how teachers and students us...
Erin Walker, Amy Ogan, Ryan Shaun Joazeiro de Bake...
AAAI
2011
14 years 6 months ago
Abductive Markov Logic for Plan Recognition
Plan recognition is a form of abductive reasoning that involves inferring plans that best explain sets of observed actions. Most existing approaches to plan recognition and other ...
Parag Singla, Raymond J. Mooney
EMNLP
2011
14 years 6 months ago
Collaborative Ranking: A Case Study on Entity Linking
In this paper, we present a new ranking scheme, collaborative ranking (CR). In contrast to traditional non-collaborative ranking scheme which solely relies on the strengths of iso...
Zheng Chen, Heng Ji
CVPR
2012
IEEE
13 years 9 months ago
Face detection, pose estimation, and landmark localization in the wild
We present a unified model for face detection, pose estimation, and landmark estimation in real-world, cluttered images. Our model is based on a mixtures of trees with a shared p...
Xiangxin Zhu, Deva Ramanan