Consensus inference with multilayer graphs for multi-modal data

Published on Nov 1, 2014 in ASILOMAR (Asilomar Conference on Signals, Systems and Computers)
· DOI :10.1109/ACSSC.2014.7094679
Karthikeyan Natesan Ramamurthy14
Estimated H-index: 14
Jayaraman J. Thiagarajan14
Estimated H-index: 14
(LLNL: Lawrence Livermore National Laboratory)
+ 2 AuthorsRamanathan Nachiappan1
Estimated H-index: 1
(SSN: Sri Sivasubramaniya Nadar College of Engineering)
Emergence of numerous modalities for data generation necessitates the development of machine learning techniques that can perform efficient inference with multi-modal data. In this paper, we present an approach to learn discriminant low-dimensional projections from supervised multi-modal data. We construct intra- and inter-class similarity graphs for each modality and optimize for consensus projections in the kernel space. Features obtained with these projections can then be used to train a classifier for consensus inference. We also provide methods for out-of-sample extensions with novel test data. Classification results with standard multi-modal data sets demonstrate the efficacy of our method.
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