1 code implementation • 5 Feb 2023 • Sifan Zhou, Zhi Tian, Xiangxiang Chu, Xinyu Zhang, Bo Zhang, Xiaobo Lu, Chengjian Feng, Zequn Jie, Patrick Yin Chiang, Lin Ma
The deployment of 3D detectors strikes one of the major challenges in real-world self-driving scenarios.
1 code implementation • CVPR 2023 • Chengjian Feng, Zequn Jie, Yujie Zhong, Xiangxiang Chu, Lin Ma
However, the typical convolution ignores the radial symmetry of the BEV features and increases the difficulty of the detector optimization.
2 code implementations • 30 Mar 2022 • Chengjian Feng, Yujie Zhong, Zequn Jie, Xiangxiang Chu, Haibing Ren, Xiaolin Wei, Weidi Xie, Lin Ma
The goal of this work is to establish a scalable pipeline for expanding an object detector towards novel/unseen categories, using zero manual annotations.
5 code implementations • ICCV 2021 • Chengjian Feng, Yujie Zhong, Yu Gao, Matthew R. Scott, Weilin Huang
One-stage object detection is commonly implemented by optimizing two sub-tasks: object classification and localization, using heads with two parallel branches, which might lead to a certain level of spatial misalignment in predictions between the two tasks.
Ranked #172 on
Object Detection
on COCO test-dev
1 code implementation • ICCV 2021 • Chengjian Feng, Yujie Zhong, Weilin Huang
Specifically, EBL increases the intensity of the adjustment of the decision boundary for the weak classes by a designed score-guided loss margin between any two classes.
Ranked #8 on
Object Detection
on LVIS v1.0 val
no code implementations • 10 Oct 2018 • Jiawei Wang, Zhaoshui He, Chengjian Feng, Zhouping Zhu, Qinzhuang Lin, Jun Lv, Shengli Xie
Data collection and annotation are time-consuming in machine learning, expecially for large scale problem.