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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1109/TPAMI.2017.2723401
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|a eng
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| 100 |
1 |
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|a Chen, Ching-Hui
|e verfasserin
|4 aut
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| 245 |
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|a Learning from Ambiguously Labeled Face Images
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|c 2018
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|a Date Completed 01.08.2019
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|a Date Revised 01.08.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a Learning a classifier from ambiguously labeled face images is challenging since training images are not always explicitly-labeled. For instance, face images of two persons in a news photo are not explicitly labeled by their names in the caption. We propose a Matrix Completion for Ambiguity Resolution (MCar) method for predicting the actual labels from ambiguously labeled images. This step is followed by learning a standard supervised classifier from the disambiguated labels to classify new images. To prevent the majority labels from dominating the result of MCar, we generalize MCar to a weighted MCar (WMCar) that handles label imbalance. Since WMCar outputs a soft labeling vector of reduced ambiguity for each instance, we can iteratively refine it by feeding it as the input to WMCar. Nevertheless, such an iterative implementation can be affected by the noisy soft labeling vectors, and thus the performance may degrade. Our proposed Iterative Candidate Elimination (ICE) procedure makes the iterative ambiguity resolution possible by gradually eliminating a portion of least likely candidates in ambiguously labeled faces. We further extend MCar to incorporate the labeling constraints among instances when such prior knowledge is available. Compared to existing methods, our approach demonstrates improvements on several ambiguously labeled datasets
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, U.S. Gov't, Non-P.H.S.
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| 700 |
1 |
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|a Patel, Vishal M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chellappa, Rama
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ching-Hui Chen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Patel, Vishal M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chellappa, Rama
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Patel, Vishal M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Ching-Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chellappa, Rama
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 40(2018), 7 vom: 01. Juli, Seite 1653-1667
|w (DE-627)NLM098212257
|x 1939-3539
|7 nnns
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|g volume:40
|g year:2018
|g number:7
|g day:01
|g month:07
|g pages:1653-1667
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|u http://dx.doi.org/10.1109/TPAMI.2017.2723401
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