Search Results for author: Zhongqi Miao

Found 6 papers, 3 papers with code

Open Long-Tailed Recognition in a Dynamic World

no code implementations17 Aug 2022 Ziwei Liu, Zhongqi Miao, Xiaohang Zhan, Jiayun Wang, Boqing Gong, Stella X. Yu

A practical recognition system must balance between majority (head) and minority (tail) classes, generalize across the distribution, and acknowledge novelty upon the instances of unseen classes (open classes).

Active Learning Classification +4

Iterative Human and Automated Identification of Wildlife Images

1 code implementation5 May 2021 Zhongqi Miao, Ziwei Liu, Kaitlyn M. Gaynor, Meredith S. Palmer, Stella X. Yu, Wayne M. Getz

Camera trapping is increasingly used to monitor wildlife, but this technology typically requires extensive data annotation.

Long-tailed Recognition by Routing Diverse Distribution-Aware Experts

2 code implementations ICLR 2021 Xudong Wang, Long Lian, Zhongqi Miao, Ziwei Liu, Stella X. Yu

We take a dynamic view of the training data and provide a principled model bias and variance analysis as the training data fluctuates: Existing long-tail classifiers invariably increase the model variance and the head-tail model bias gap remains large, due to more and larger confusion with hard negatives for the tail.

Image Classification imbalanced classification +1

Open Compound Domain Adaptation

no code implementations CVPR 2020 Ziwei Liu, Zhongqi Miao, Xingang Pan, Xiaohang Zhan, Dahua Lin, Stella X. Yu, Boqing Gong

A typical domain adaptation approach is to adapt models trained on the annotated data in a source domain (e. g., sunny weather) for achieving high performance on the test data in a target domain (e. g., rainy weather).

Domain Adaptation Facial Expression Recognition +2

Large-Scale Long-Tailed Recognition in an Open World

2 code implementations CVPR 2019 Ziwei Liu, Zhongqi Miao, Xiaohang Zhan, Jiayun Wang, Boqing Gong, Stella X. Yu

We define Open Long-Tailed Recognition (OLTR) as learning from such naturally distributed data and optimizing the classification accuracy over a balanced test set which include head, tail, and open classes.

Classification Few-Shot Learning +4

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