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|a 10.1109/TPAMI.2021.3133954
|2 doi
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|a eng
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| 100 |
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|a Cermelli, Fabio
|e verfasserin
|4 aut
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| 245 |
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|a Modeling the Background for Incremental and Weakly-Supervised Semantic Segmentation
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|c 2022
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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 Revised 08.11.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Deep neural networks have enabled major progresses in semantic segmentation. However, even the most advanced neural architectures suffer from important limitations. First, they are vulnerable to catastrophic forgetting, i.e., they perform poorly when they are required to incrementally update their model as new classes are available. Second, they rely on large amount of pixel-level annotations to produce accurate segmentation maps. To tackle these issues, we introduce a novel incremental class learning approach for semantic segmentation taking into account a peculiar aspect of this task: since each training step provides annotation only for a subset of all possible classes, pixels of the background class exhibit a semantic shift. Therefore, we revisit the traditional distillation paradigm by designing novel loss terms which explicitly account for the background shift. Additionally, we introduce a novel strategy to initialize classifier's parameters at each step in order to prevent biased predictions toward the background class. Finally, we demonstrate that our approach can be extended to point- and scribble-based weakly supervised segmentation, modeling the partial annotations to create priors for unlabeled pixels. We demonstrate the effectiveness of our approach with an extensive evaluation on the Pascal-VOC, ADE20K, and Cityscapes datasets, significantly outperforming state-of-the-art methods
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|a Journal Article
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| 700 |
1 |
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|a Mancini, Massimiliano
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bulo, Samuel Rota
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ricci, Elisa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Caputo, Barbara
|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 44(2022), 12 vom: 09. Dez., Seite 10099-10113
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|x 1939-3539
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|g volume:44
|g year:2022
|g number:12
|g day:09
|g month:12
|g pages:10099-10113
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|u http://dx.doi.org/10.1109/TPAMI.2021.3133954
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