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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Freifeld, O. Hauberg, S. Black, M.J. |
| Copyright Year | 2014 |
| Description | Author affiliation: DTU Compute, Lyngby, Denmark (Hauberg, S.) || MIT, Cambridge, MA, USA (Freifeld, O.) || MPI for Intell. Syst., Tϋbingen, Germany (Black, M.J.) |
| Abstract | We consider the intersection of two research fields: transfer learning and statistics on manifolds. In particular, we consider, for manifold-valued data, transfer learning of tangent-space models such as Gaussians distributions, PCA, regression, or classifiers. Though one would hope to simply use ordinary $R^{n}-transfer$ learning ideas, the manifold structure prevents it. We overcome this by basing our method on inner-product-preserving parallel transport, a well-known tool widely used in other problems of statistics on manifolds in computer vision. At first, this straight-forward idea seems to suffer from an obvious shortcoming: Transporting large datasets is prohibitively expensive, hindering scalability. Fortunately, with our approach, we never transport data. Rather, we show how the statistical models themselves can be transported, and prove that for the tangent-space models above, the transport "commutes" with learning. Consequently, our compact framework, ap- plicable to a large class of manifolds, is not restricted by the size of either the training or test sets. We demonstrate the approach by transferring PCA and logistic-regression models of real-world data involving 3D shapes and image descriptors. |
| Starting Page | 1378 |
| Ending Page | 1385 |
| File Size | 1455474 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781479951185 |
| ISSN | 10636919 |
| DOI | 10.1109/CVPR.2014.179 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-23 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Manifolds Computational modeling Total quality management Principal component analysis Data models Shape Vectors PGA Statistics on Manifolds Computer Vision Transfer Learning Scalable Riemannian Manifolds Manifold-Valued Data |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Vision and Pattern Recognition Software |
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