Search Results for author: Peizhen Zhang

Found 5 papers, 4 papers with code

Relieving Long-tailed Instance Segmentation via Pairwise Class Balance

2 code implementations CVPR 2022 Yin-Yin He, Peizhen Zhang, Xiu-Shen Wei, Xiangyu Zhang, Jian Sun

In this paper, we explore to excavate the confusion matrix, which carries the fine-grained misclassification details, to relieve the pairwise biases, generalizing the coarse one.

Instance Segmentation Semantic Segmentation

LGD: Label-guided Self-distillation for Object Detection

1 code implementation23 Sep 2021 Peizhen Zhang, Zijian Kang, Tong Yang, Xiangyu Zhang, Nanning Zheng, Jian Sun

Instead, we generate an instructive knowledge based only on student representations and regular labels.

Instance Segmentation Object +4

Dynamic Scale Training for Object Detection

4 code implementations26 Apr 2020 Yukang Chen, Peizhen Zhang, Zeming Li, Yanwei Li, Xiangyu Zhang, Lu Qi, Jian Sun, Jiaya Jia

We propose a Dynamic Scale Training paradigm (abbreviated as DST) to mitigate scale variation challenge in object detection.

Instance Segmentation Model Optimization +4

Latent Embeddings for Collective Activity Recognition

no code implementations20 Sep 2017 Yongyi Tang, Peizhen Zhang, Jian-Fang Hu, Wei-Shi Zheng

Rather than simply recognizing the action of a person individually, collective activity recognition aims to find out what a group of people is acting in a collective scene.

Activity Recognition

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