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Št. zadetkov: 5
Bayesian Multiple Instance Learning: Automatic Feature Selection and Inductive Transfer
Vikas Raykar
Video in druga učna gradiva
Oznake: computer science;machine learning;bayesian learning;instance-based learning
We propose a novel Bayesian multiple instance learning algorithm. This algorithm automatically identifies the relevant feature subset, and utilizes inductive transfer when learning multiple (conceptually related) classifiers. Experimental results indicate that the proposed baseline MIL method is mor ...
Leto: 2008 Vir: videolectures.net
Polyhedral Classifier for Target Detection A Case Study
Vikas Raykar
Video in druga učna gradiva
Oznake: computer science;machine learning
In this study we introduce a novel algorithm for learning a polyhedron to describe the target class. The proposed approach takes advantage of the limited subclass information made available for the negative samples and jointly optimizes multiple hyperplane classifiers each of which is designed to cl ...
Leto: 2008 Vir: videolectures.net
Probabilistic Dyadic Data Analysis with Local and Global Consistency
Vikas Raykar
Video in druga učna gradiva
Oznake: computer science;machine learning;semantic web
Dyadic data arises in many real world applications such as social network analysis and information retrieval. In order to discover the underlying or hidden structure in the dyadic data, many topic modeling techniques were proposed. The typical algorithms include Probabilistic Latent Semantic Analysi ...
Leto: 2009 Vir: videolectures.net
Supervised Learning from Multiple Experts: Whom to Trust When Everyone Lies a Bit
Vikas Raykar
Video in druga učna gradiva
Oznake: computer science;machine learning;supervised learning
We describe a probabilistic approach for supervised learning when we have multiple experts/annotators providing (possibly noisy) labels but no absolute gold standard. The proposed algorithm evaluates the different experts and also gives an estimate of the actual hidden labels. Experimental results i ...
Leto: 2009 Vir: videolectures.net
Improved Fast Gauss Transform
Vikas Raykar
Video in druga učna gradiva
Oznake: computer science;machine learning;gaussian processes
Leto: 2005 Vir: videolectures.net
Št. zadetkov: 5
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