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|a 10.1109/TPAMI.2022.3231649
|2 doi
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|a eng
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| 100 |
1 |
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|a Cao, Jie
|e verfasserin
|4 aut
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| 245 |
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|a ScoreMix
|b A Scalable Augmentation Strategy for Training GANs With Limited Data
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a Date Completed 06.06.2023
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|a Date Revised 06.06.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Generative Adversarial Networks (GANs) typically suffer from overfitting when limited training data is available. To facilitate GAN training, current methods propose to use data-specific augmentation techniques. Despite the effectiveness, it is difficult for these methods to scale to practical applications. In this article, we present ScoreMix, a novel and scalable data augmentation approach for various image synthesis tasks. We first produce augmented samples using the convex combinations of the real samples. Then, we optimize the augmented samples by minimizing the norms of the data scores, i.e., the gradients of the log-density functions. This procedure enforces the augmented samples close to the data manifold. To estimate the scores, we train a deep estimation network with multi-scale score matching. For different image synthesis tasks, we train the score estimation network using different data. We do not require the tuning of the hyperparameters or modifications to the network architecture. The ScoreMix method effectively increases the diversity of data and reduces the overfitting problem. Moreover, it can be easily incorporated into existing GAN models with minor modifications. Experimental results on numerous tasks demonstrate that GAN models equipped with the ScoreMix method achieve significant improvements
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|a Journal Article
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1 |
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|a Luo, Mandi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Junchi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Ming-Hsuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Ran
|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), 7 vom: 23. Juli, Seite 8920-8935
|w (DE-627)NLM098212257
|x 1939-3539
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|g volume:45
|g year:2023
|g number:7
|g day:23
|g month:07
|g pages:8920-8935
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|u http://dx.doi.org/10.1109/TPAMI.2022.3231649
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