activity
20172023
most citedBalanced Meta-Softmax for Long-Tailed Visual Recognition

317 citations · 1.3k across the 37 of their papers we have counts for

collaborators

39 papers

cs.CV2023

Variational Relational Point Completion Network for Robust 3D Classification

Liang Pan, Xinyi Chen, Zhongang Cai +4

Real-scanned point clouds are often incomplete due to viewpoint, occlusion, and noise, which hampers 3D geometric modeling and perception. Existing point cloud completion methods t…

cs.CV2022

Federated Unsupervised Domain Adaptation for Face Recognition

Weiming Zhuang, Xin Gan, Yonggang Wen +3

Given labeled data in a source domain, unsupervised domain adaptation has been widely adopted to generalize models for unlabeled data in a target domain, whose data distributions a…

cs.CV2022★ 11 cited

Pyramid Fusion Transformer for Semantic Segmentation

Zipeng Qin, Jianbo Liu, Xiaolin Zhang +4

The recently proposed MaskFormer gives a refreshed perspective on the task of semantic segmentation: it shifts from the popular pixel-level classification paradigm to a mask-level…

cs.CV2021★ 17 cited

Playing for 3D Human Recovery

Zhongang Cai, Mingyuan Zhang, Jiawei Ren +7

Image- and video-based 3D human recovery (i.e., pose and shape estimation) have achieved substantial progress. However, due to the prohibitive cost of motion capture, existing data…

cs.CV2021

Encoder-decoder with Multi-level Attention for 3D Human Shape and Pose Estimation

Ziniu Wan, Zhengjia Li, Maoqing Tian +3

3D human shape and pose estimation is the essential task for human motion analysis, which is widely used in many 3D applications. However, existing methods cannot simultaneously ca…

cs.CV2021★ 5 cited

GroupFormer: Group Activity Recognition with Clustered Spatial-Temporal Transformer

Shuaicheng Li, Qianggang Cao, Lingbo Liu +4

Group activity recognition is a crucial yet challenging problem, whose core lies in fully exploring spatial-temporal interactions among individuals and generating reasonable group…

cs.CV2021

CSG-Stump: A Learning Friendly CSG-Like Representation for Interpretable Shape Parsing

Daxuan Ren, Jianmin Zheng, Jianfei Cai +8

Generating an interpretable and compact representation of 3D shapes from point clouds is an important and challenging problem. This paper presents CSG-Stump Net, an unsupervised en…

cs.CV2021

Unsupervised Domain Adaptive 3D Detection with Multi-Level Consistency

Zhipeng Luo, Zhongang Cai, Changqing Zhou +7

Deep learning-based 3D object detection has achieved unprecedented success with the advent of large-scale autonomous driving datasets. However, drastic performance degradation rema…

cs.DC2021

Collaborative Unsupervised Visual Representation Learning from Decentralized Data

Weiming Zhuang, Xin Gan, Yonggang Wen +2

Unsupervised representation learning has achieved outstanding performances using centralized data available on the Internet. However, the increasing awareness of privacy protection…

cs.CV2021★ 13 cited

Learning Geometry-Guided Depth via Projective Modeling for Monocular 3D Object Detection

Yinmin Zhang, Xinzhu Ma, Shuai Yi +4

As a crucial task of autonomous driving, 3D object detection has made great progress in recent years. However, monocular 3D object detection remains a challenging problem due to th…

cs.CV2021

Domain Consistency Regularization for Unsupervised Multi-source Domain Adaptive Classification

Zhipeng Luo, Xiaobing Zhang, Shijian Lu +1

Deep learning-based multi-source unsupervised domain adaptation (MUDA) has been actively studied in recent years. Compared with single-source unsupervised domain adaptation (SUDA),…

cs.CV2021★ 9 cited

Delving Deep into the Generalization of Vision Transformers under Distribution Shifts

Chongzhi Zhang, Mingyuan Zhang, Shanghang Zhang +6

Vision Transformers (ViTs) have achieved impressive performance on various vision tasks, yet their generalization under distribution shifts (DS) is rarely understood. In this work,…

cs.CV2021★ 10 cited

Towards Unsupervised Domain Adaptation for Deep Face Recognition under Privacy Constraints via Federated Learning

Weiming Zhuang, Xin Gan, Yonggang Wen +3

Unsupervised domain adaptation has been widely adopted to generalize models for unlabeled data in a target domain, given labeled data in a source domain, whose data distributions d…

cs.CV2021★ 9 cited

Unsupervised 3D Shape Completion through GAN Inversion

Junzhe Zhang, Xinyi Chen, Zhongang Cai +6

Most 3D shape completion approaches rely heavily on partial-complete shape pairs and learn in a fully supervised manner. Despite their impressive performances on in-domain data, wh…

cs.CV2021★ 4 cited

Variational Relational Point Completion Network

Liang Pan, Xinyi Chen, Zhongang Cai +4

Real-scanned point clouds are often incomplete due to viewpoint, occlusion, and noise. Existing point cloud completion methods tend to generate global shape skeletons and hence lac…

cs.CV2021★ 17 cited

Delving into Localization Errors for Monocular 3D Object Detection

Xinzhu Ma, Yinmin Zhang, Dan Xu +4

Estimating 3D bounding boxes from monocular images is an essential component in autonomous driving, while accurate 3D object detection from this kind of data is very challenging. I…

cs.CV2021★ 3 cited

HAVANA: Hierarchical and Variation-Normalized Autoencoder for Person Re-identification

Jiawei Ren, Xiao Ma, Chen Xu +2

Person Re-Identification (Re-ID) is of great importance to the many video surveillance systems. Learning discriminative features for Re-ID remains a challenge due to the large vari…

cs.CV2020★ 5 cited

Towards Overcoming False Positives in Visual Relationship Detection

Daisheng Jin, Xiao Ma, Chongzhi Zhang +8

In this paper, we investigate the cause of the high false positive rate in Visual Relationship Detection (VRD). We observe that during training, the relationship proposal distribut…

cs.CV2020★ 10 cited

BiPointNet: Binary Neural Network for Point Clouds

Haotong Qin, Zhongang Cai, Mingyuan Zhang +5

To alleviate the resource constraint for real-time point cloud applications that run on edge devices, in this paper we present BiPointNet, the first model binarization approach for…

cs.CV2020★ 30 cited

BriNet: Towards Bridging the Intra-class and Inter-class Gaps in One-Shot Segmentation

Xianghui Yang, Bairun Wang, Kaige Chen +4

Few-shot segmentation focuses on the generalization of models to segment unseen object instances with limited training samples. Although tremendous improvements have been achieved,…

cs.CV2020★ 93 cited

Performance Optimization for Federated Person Re-identification via Benchmark Analysis

Weiming Zhuang, Yonggang Wen, Xuesen Zhang +5

Federated learning is a privacy-preserving machine learning technique that learns a shared model across decentralized clients. It can alleviate privacy concerns of personal re-iden…

cs.CV2020★ 1 cited

MessyTable: Instance Association in Multiple Camera Views

Zhongang Cai, Junzhe Zhang, Daxuan Ren +5

We present an interesting and challenging dataset that features a large number of scenes with messy tables captured from multiple camera views. Each scene in this dataset is highly…

cs.LG2020★ 317 cited

Balanced Meta-Softmax for Long-Tailed Visual Recognition

Jiawei Ren, Cunjun Yu, Shunan Sheng +4

Deep classifiers have achieved great success in visual recognition. However, real-world data is long-tailed by nature, leading to the mismatch between training and testing distribu…

cs.CV2020★ 35 cited

Spatio-Temporal Graph Transformer Networks for Pedestrian Trajectory Prediction

Cunjun Yu, Xiao Ma, Jiawei Ren +2

Understanding crowd motion dynamics is critical to real-world applications, e.g., surveillance systems and autonomous driving. This is challenging because it requires effectively m…