Multi-View Learning in the Presence of View Disagreement
author:
C. Mario Christoudias,
Linguistics and Philosophy, MIT - Massachusetts Institute of Technology
Description
Traditional multi-view learning approaches
suffer in the presence of view disagreement,
i.e., when samples in each view do not belong to the same class due to view corruption, occlusion or other noise processes. In this paper we present a multi-view learning approach that uses a conditional entropy criterion to detect view disagreement. Once detected, samples with view disagreement are filtered and standard multi-view learning methods can be successfully applied to the remaining samples. Experimental evaluation on
synthetic and audio-visual databases demonstrates that the detection and filtering of view disagreement considerably increases the performance of traditional multi-view learning approaches.
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| Slides | |
| 0:00 | Multi-View Learning in the Presence of View Disagreement |
| 0:19 | The World is Multi-View |
| 1:05 | Learning from Multiple Information Sources |
| 1:24 | Dealing with Noise - 1 |
| 1:51 | Dealing with Noise - 2 |
| 2:16 | View Disagreement |
| 2:56 | Our Approach |
| 3:10 | Related Work |
| 4:09 | Multi-View Bootstrapping |
| 4:32 | Bootstrapping One View from the Other - 1 |
| 5:15 | Bootstrapping One View from the Other - 2 |
| 5:25 | Bootstrapping One View from the Other - 3 |
| 5:30 | Co-Training |
| 5:59 | Co-Training Algorithm - 1 |
| 6:11 | Co-Training Algorithm - 2 |
| 6:17 | Co-Training Algorithm - 3 |
| 6:25 | Co-Training Algorithm - 4 |
| 6:26 | Co-Training Algorithm - 5 |
| 6:28 | Co-Training Algorithm - 6 |
| 6:29 | Co-Training Algorithm - 7 |
| 6:30 | Co-Training Algorithm - 8 |
| 6:39 | View Disagreement Example: Normally Distributed Classes |
| 7:43 | Conventional Co-Training under View Disagreement |
| 8:51 | Our Approach: Key Assumption |
| 9:16 | Our Approach: Notional Example |
| 10:23 | Conditional Entropy Measure |
| 11:20 | Redundant Sample Detection |
| 11:53 | View Disagreement Detection |
| 12:14 | Co-Training in the Presence of View Disagreement - 1 |
| 12:44 | Co-Training in the Presence of View Disagreement - 2 |
| 12:50 | Co-Training in the Presence of View Disagreement - 3 |
| 12:52 | Co-Training in the Presence of View Disagreement - 4 |
| 12:59 | Co-Training in the Presence of View Disagreement - 5 |
| 13:01 | Co-Training in the Presence of View Disagreement - 6 |
| 13:02 | Co-Training in the Presence of View Disagreement - 7 |
| 13:04 | Co-Training in the Presence of View Disagreement - 8 |
| 13:05 | Co-Training in the Presence of View Disagreement - 9 |
| 13:15 | Co-Training in the Presence of View Disagreement - 10 |
| 13:16 | Co-Training in the Presence of View Disagreement - 11 |
| 13:26 | Normally Distributed Classes: Results |
| 13:49 | Real Data |
| 14:25 | Experimental Setup |
| 14:59 | Cross-View Bootstrapping Experiment |
| 15:59 | Co-Training Experiment |
| 17:10 | - Questions |
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