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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1109/TPAMI.2017.2785402
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|a eng
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| 100 |
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|a Wang, Li
|e verfasserin
|4 aut
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| 245 |
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|a Probabilistic Dimensionality Reduction via Structure Learning
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|c 2019
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|a Text
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|a ƒaComputermedien
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a We propose an alternative probabilistic dimensionality reduction framework that can naturally integrate the generative model and the locality information of data. Based on this framework, we present a new model, which is able to learn a set of embedding points in a low-dimensional space by retaining the inherent structure from high-dimensional data. The objective function of this new model can be equivalently interpreted as two coupled learning problems, i.e., structure learning and the learning of projection matrix. Inspired by this interesting interpretation, we propose another model, which finds a set of embedding points that can directly form an explicit graph structure. We proved that the model by learning explicit graphs generalizes the reversed graph embedding method, but leads to a natural interpretation from Bayesian perspective. This can greatly facilitate data visualization and scientific discovery in downstream analysis. Extensive experiments are performed that demonstrate that the proposed framework is able to retain the inherent structure of datasets and achieve competitive quantitative results in terms of various performance evaluation criteria
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|a Journal Article
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|a Mao, Qi
|e verfasserin
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|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 41(2019), 1 vom: 28. Jan., Seite 205-219
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|x 1939-3539
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|g volume:41
|g year:2019
|g number:1
|g day:28
|g month:01
|g pages:205-219
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|u http://dx.doi.org/10.1109/TPAMI.2017.2785402
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