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Non-Isometric Manifold Learning: Analysis and an Algorithm

Non-Isometric Manifold Learning: Analysis and an Algorithm

This video was recorded at 24th Annual International Conference on Machine Learning (ICML), Corvallis 2007. In this work we take a novel view of nonlinear manifold learning. Usually, manifold learning is formulated in terms of finding an embedding or "unrolling" of a manifold into a lower dimensional space. Instead, we treat it as the problem of learning a representation of a nonlinear, possibly non-isometric manifold that allows for the manipulation of novel points. Central to this view of manifold learning is the concept of generalization beyond the training data. Drawing on concepts from supervised learning, we establish a framework for studying the problems of model assessment, model complexity, and model selection for manifold learning. We present an extension of a recent algorithm,... Show More
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