activity
20152023
most citedRandom Erasing Data Augmentation

748 citations · 1.4k across the 31 of their papers we have counts for

collaborators

33 papers

cs.CV2023★ 1 cited

Federated Generalized Category Discovery

Nan Pu, Zhun Zhong, Xinyuan Ji +1

Generalized category discovery (GCD) aims at grouping unlabeled samples from known and unknown classes, given labeled data of known classes. To meet the recent decentralization tre…

cs.CV2023★ 4 cited

Boosting Adversarial Transferability via Fusing Logits of Top-1 Decomposed Feature

Juanjuan Weng, Zhiming Luo, Dazhen Lin +2

Recent research has shown that Deep Neural Networks (DNNs) are highly vulnerable to adversarial samples, which are highly transferable and can be used to attack other unknown black…

cs.CV2023★ 3 cited

Dynamic Conceptional Contrastive Learning for Generalized Category Discovery

Nan Pu, Zhun Zhong, Nicu Sebe

Generalized category discovery (GCD) is a recently proposed open-world problem, which aims to automatically cluster partially labeled data. The main challenge is that the unlabeled…

cs.CV2023★ 1 cited

Logit Margin Matters: Improving Transferable Targeted Adversarial Attack by Logit Calibration

Juanjuan Weng, Zhiming Luo, Zhun Zhong +2

Previous works have extensively studied the transferability of adversarial samples in untargeted black-box scenarios. However, it still remains challenging to craft targeted advers…

cs.CV2023★ 1 cited

Large-scale Pre-trained Models are Surprisingly Strong in Incremental Novel Class Discovery

Mingxuan Liu, Subhankar Roy, Zhun Zhong +2

Discovering novel concepts in unlabelled datasets and in a continuous manner is an important desideratum of lifelong learners. In the literature such problems have been partially a…

cs.CV2022

Style-Hallucinated Dual Consistency Learning: A Unified Framework for Visual Domain Generalization

Yuyang Zhao, Zhun Zhong, Na Zhao +2

Domain shift widely exists in the visual world, while modern deep neural networks commonly suffer from severe performance degradation under domain shift due to the poor generalizat…

cs.CV2022

Class-incremental Novel Class Discovery

Subhankar Roy, Mingxuan Liu, Zhun Zhong +2

We study the new task of class-incremental Novel Class Discovery (class-iNCD), which refers to the problem of discovering novel categories in an unlabelled data set by leveraging a…

cs.CV2022★ 37 cited

Adversarial Style Augmentation for Domain Generalized Urban-Scene Segmentation

Zhun Zhong, Yuyang Zhao, Gim Hee Lee +1

In this paper, we consider the problem of domain generalization in semantic segmentation, which aims to learn a robust model using only labeled synthetic (source) data. The model i…

cs.CV2022★ 4 cited

Style-Hallucinated Dual Consistency Learning for Domain Generalized Semantic Segmentation

Yuyang Zhao, Zhun Zhong, Na Zhao +2

In this paper, we study the task of synthetic-to-real domain generalized semantic segmentation, which aims to learn a model that is robust to unseen real-world scenes using only sy…

cs.CV2022★ 6 cited

Federated and Generalized Person Re-identification through Domain and Feature Hallucinating

Fengxiang Yang, Zhun Zhong, Zhiming Luo +2

In this paper, we study the problem of federated domain generalization (FedDG) for person re-identification (re-ID), which aims to learn a generalized model with multiple decentral…

cs.CV2022★ 3 cited

Cross-Modality Earth Mover's Distance for Visible Thermal Person Re-Identification

Yongguo Ling, Zhun Zhong, Donglin Cao +4

Visible thermal person re-identification (VT-ReID) suffers from the inter-modality discrepancy and intra-identity variations. Distribution alignment is a popular solution for VT-Re…

cs.CV2021

Novel Class Discovery in Semantic Segmentation

Yuyang Zhao, Zhun Zhong, Nicu Sebe +1

We introduce a new setting of Novel Class Discovery in Semantic Segmentation (NCDSS), which aims at segmenting unlabeled images containing new classes given prior knowledge from a…

cs.CV2021

3D-Aware Semantic-Guided Generative Model for Human Synthesis

Jichao Zhang, Enver Sangineto, Hao Tang +4

Generative Neural Radiance Field (GNeRF) models, which extract implicit 3D representations from 2D images, have recently been shown to produce realistic images representing rigid/s…

cs.CV2021★ 7 cited

Bi-Mix: Bidirectional Mixing for Domain Adaptive Nighttime Semantic Segmentation

Guanglei Yang, Zhun Zhong, Hao Tang +3

In autonomous driving, learning a segmentation model that can adapt to various environmental conditions is crucial. In particular, copying with severe illumination changes is an im…

cs.CV2021

A Unified Objective for Novel Class Discovery

Enrico Fini, Enver Sangineto, Stéphane Lathuilière +3

In this paper, we study the problem of Novel Class Discovery (NCD). NCD aims at inferring novel object categories in an unlabeled set by leveraging from prior knowledge of a labele…

cs.CV2021★ 13 cited

Neighborhood Contrastive Learning for Novel Class Discovery

Zhun Zhong, Enrico Fini, Subhankar Roy +3

In this paper, we address Novel Class Discovery (NCD), the task of unveiling new classes in a set of unlabeled samples given a labeled dataset with known classes. We exploit the pe…

cs.CV2021★ 3 cited

Source-Free Open Compound Domain Adaptation in Semantic Segmentation

Yuyang Zhao, Zhun Zhong, Zhiming Luo +2

In this work, we introduce a new concept, named source-free open compound domain adaptation (SF-OCDA), and study it in semantic segmentation. SF-OCDA is more challenging than the t…

cs.CV2021★ 21 cited

Transformer-Based Source-Free Domain Adaptation

Guanglei Yang, Hao Tang, Zhun Zhong +4

In this paper, we study the task of source-free domain adaptation (SFDA), where the source data are not available during target adaptation. Previous works on SFDA mainly focus on a…

cs.CV2021

Curriculum Graph Co-Teaching for Multi-Target Domain Adaptation

Subhankar Roy, Evgeny Krivosheev, Zhun Zhong +2

In this paper we address multi-target domain adaptation (MTDA), where given one labeled source dataset and multiple unlabeled target datasets that differ in data distributions, the…

cs.CV2021★ 15 cited

Joint Noise-Tolerant Learning and Meta Camera Shift Adaptation for Unsupervised Person Re-Identification

Fengxiang Yang, Zhun Zhong, Zhiming Luo +4

This paper considers the problem of unsupervised person re-identification (re-ID), which aims to learn discriminative models with unlabeled data. One popular method is to obtain ps…

cs.CV2020★ 14 cited

Learning to Generalize Unseen Domains via Memory-based Multi-Source Meta-Learning for Person Re-Identification

Yuyang Zhao, Zhun Zhong, Fengxiang Yang +4

Recent advances in person re-identification (ReID) obtain impressive accuracy in the supervised and unsupervised learning settings. However, most of the existing methods need to tr…

cs.CV2020★ 6 cited

OpenMix: Reviving Known Knowledge for Discovering Novel Visual Categories in An Open World

Zhun Zhong, Linchao Zhu, Zhiming Luo +3

In this paper, we tackle the problem of discovering new classes in unlabeled visual data given labeled data from disjoint classes. Existing methods typically first pre-train a mode…

cs.CV2019★ 13 cited

Asymmetric Co-Teaching for Unsupervised Cross Domain Person Re-Identification

Fengxiang Yang, Ke Li, Zhun Zhong +7

Person re-identification (re-ID), is a challenging task due to the high variance within identity samples and imaging conditions. Although recent advances in deep learning have achi…

cs.CV2019★ 36 cited

Learning to Adapt Invariance in Memory for Person Re-identification

Zhun Zhong, Liang Zheng, Zhiming Luo +2

This work considers the problem of unsupervised domain adaptation in person re-identification (re-ID), which aims to transfer knowledge from the source domain to the target domain.…