arXiv AI

Fourier Self-Supervision for Fine-Grained Generalized Category Discovery

arXiv:2608. 08963v1 Announce Type: cross Abstract: Generalized Category Discovery aims to recognize known categories while identifying novel ones within unlabeled data.

arXiv Computer Vision
Aug 27

DeCO: Discriminative Evidence Composition for Fine-Grained Dataset Distillation

DeCO: Discriminative Evidence Composition for Fine-Grained Dataset Distillation introduces a method that compresses large training sets into compact synthetic sets while preserving fine-grained visual classification cues. It uses attention rollout from a pretrained TransFG teacher to locate informative patches, applies spatial diversification to avoid redundancy, and organizes these patches into class-wise evidence banks that are packed into grid-composed images. Experiments on CUB-200-2011, FGVC-Aircraft, and Stanford Cars demonstrate that DeCO outperforms existing coreset and dataset-distillation baselines across various images-per-class budgets.

By Chuixuan Fan, Guang Li, Shijie Wang, Dongzhan Zhou, Baoli Sun, Takahiro Ogawa, Miki Haseyama, Zhihui Wang