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Towards Principled Dataset Distillation: A Spectral Distribution Perspective
arXiv – CS AI|Ruixi Wu, Shaobo Wang, Jiahuan Chen, Zhiyuan Liu, Yicun Yang, Zhaorun Chen, Zekai Li, Kaixin Li, Xinming Wang, Hongzhu Yi, Kai Wang, Linfeng Zhang||1 views
🤖AI Summary
Researchers propose Class-Aware Spectral Distribution Matching (CSDM), a new dataset distillation method that addresses performance issues on imbalanced datasets. The technique achieves 14% improvement over existing methods on CIFAR-10-LT with enhanced stability on long-tailed data distributions.
Key Takeaways
- →CSDM reformulates distribution alignment using spectral analysis of kernel functions to improve dataset distillation performance.
- →The method specifically addresses challenges with long-tailed datasets where existing approaches show substantial performance degradation.
- →Amplitude-phase decomposition is used to adaptively prioritize realism in underrepresented tail classes.
- →Testing on CIFAR-10-LT shows 14% improvement over state-of-the-art methods with only 5.7% performance drop on extreme imbalance.
- →The approach demonstrates strong stability when tail class samples decrease dramatically from 500 to 25 images.
#dataset-distillation#machine-learning#class-imbalance#spectral-analysis#research#computer-vision#cifar-10#long-tail-distribution
Read Original →via arXiv – CS AI
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