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|a 10.1109/TPAMI.2022.3200036
|2 doi
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|a eng
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| 100 |
1 |
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|a Zhou, Jiahuan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Discriminative Self-Paced Group-Metric Adaptation for Online Visual Identification
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 10.04.2023
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|a Date Revised 11.04.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Existing solutions to instance-level visual identification usually aim to learn faithful and discriminative feature extractors from offline training data and directly use them for the unseen online testing data. However, their performance is largely limited due to the severe distribution shifting issue between training and testing samples. Therefore, we propose a novel online group-metric adaptation model to adapt the offline learned identification models for the online data by learning a series of metrics for all sharing-subsets. Each sharing-subset is obtained from the proposed novel frequent sharing-subset mining module and contains a group of testing samples that share strong visual similarity relationships to each other. Furthermore, to handle potentially large-scale testing samples, we introduce self-paced learning (SPL) to gradually include samples into adaptation from easy to difficult which elaborately simulates the learning principle of humans. Unlike existing online visual identification methods, our model simultaneously takes both the sample-specific discriminant and the set-based visual similarity among testing samples into consideration. Our method is generally suitable to any off-the-shelf offline learned visual identification baselines for online performance improvement which can be verified by extensive experiments on several widely-used visual identification benchmarks
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4 |
|a Journal Article
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| 700 |
1 |
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|a Su, Bing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Ying
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 45(2023), 4 vom: 01. Apr., Seite 4368-4383
|w (DE-627)NLM098212257
|x 1939-3539
|7 nnas
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|g volume:45
|g year:2023
|g number:4
|g day:01
|g month:04
|g pages:4368-4383
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|u http://dx.doi.org/10.1109/TPAMI.2022.3200036
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