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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2020.3020648
|2 doi
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|a pubmed24n1303.xml
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|a eng
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|a Xu, Furong
|e verfasserin
|4 aut
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|a Isosceles Constraints for Person Re-identification
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 22.02.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a In the existing works of person re-identification (ReID), batch hard triplet loss has achieved great success. However, it only cares about the hardest samples within the batch. For any probe, there are massive mismatched samples (crucial samples) outside the batch which are closer than the matched samples. To reduce the disruptive influence of crucial samples, we propose a novel isosceles contraint for triplet. Theoretically, we show that if a matched pair has equal distance to any one of mismatched sample, the matched pair should be infinitely close. Motivated by this, the isosceles constraint is designed for the two mismatched pairs of each triplet, to restrict some matched pairs with equal distance to different mismatched samples. Meanwhile, to ensure that the distance of mismatched pairs are larger than the matched pairs, margin constraints are necessary. Minimizing the isosceles and margin constraints with respect to the feature extraction network makes the matched pairs closer and the mismatched pairs farther away than the matched ones. By this way, crucial samples are effectively reduced and the performance on ReID is improved greatly. Likewise, our isosceles contraint can be applied to quadruplet as well. Comprehensive experimental evaluations on Market-1501, DukeMTMC-reID and CUHK03 datasets demonstrate the advantages of our isosceles constraint over the related state-of-the-art approaches
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|a Journal Article
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|a Ma, Bingpeng
|e verfasserin
|4 aut
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|a Chang, Hong
|e verfasserin
|4 aut
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| 700 |
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|a Shan, Shiguang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g PP(2020) vom: 11. Sept.
|w (DE-627)NLM09821456X
|x 1941-0042
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| 773 |
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|g volume:PP
|g year:2020
|g day:11
|g month:09
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|u http://dx.doi.org/10.1109/TIP.2020.3020648
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