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Shaozi Li

27 accepted papers

2026

COPE: Consistent Occlusion and Prompt Enhancement Network for Occluded Person Re-identification

CVPR 2026

Occlusion presents two critical challenges for person re-identification (Re-ID): feature interference and information loss. While existing efforts have explored occlusion-aware data augmentation and feature reconstruction to mitigate these issues, the former often fails to address erroneous matches

Cited by 0SourcecodeScholar
2026

OneFont: A Unified Agent for End-to-End Font Creation

AAAI 2026technical

Despite recent advancements in font generation, practitioners still grapple with a laborious trial-and-error workflow. To streamline this, we propose OneFont, an end-to-end framework that interprets user intents via free-form dialogue, seamlessly integrating both glyph synthesis and refinement modul

Cited by 0SourcePDFScholar
2025

Font-Agent: Enhancing Font Understanding with Large Language Models

CVPR 2025poster

The rapid development of generative models has significantly advanced font generation. However, limited exploration has been devoted to the evaluation and interpretability of graphical fonts. Existing quality assessment models can only provide basic visual analyses, such as recognizing clarity and b…

Cited by 0SourcePDFScholar
2025

Long-Tailed Out-of-Distribution Detection: Prioritizing Attention to Tail

AAAI 2025technical

Current out-of-distribution (OOD) detection methods typically assume balanced in-distribution (ID) data, while most real-world data follow a long-tailed distribution. Previous approaches to long-tailed OOD detection often involve balancing the ID data by reducing the semantics of head classes. Howev…

2025

Towards Adversarial Robustness via Debiased High-Confidence Logit Alignment

ICCV 2025poster

Despite the remarkable progress of deep neural networks (DNNs) in various visual tasks, their vulnerability to adversarial examples raises significant security concerns. Recent adversarial training methods leverage inverse adversarial attacks to generate high-confidence examples, aiming to align adv…

2024

CC-DA: Cross-Domain Consistency Data Augmentation for 3D Tumor Segmentation

ICASSP 2024accepted

Deep learning-based tumor segmentation in 3D medical images faces the challenges of limited annotated data and class imbalance. In this paper, we proposed a novel Cross-domain Consistency Data Augmentation (CC-DA) for 3D tumor segmentation. Specifically, we copy the tumor from source data and apply…

Cited by 0SourceScholar
2024

Diversity-Authenticity Co-constrained Stylization for Federated Domain Generalization in Person Re-identification

AAAI 2024technical

This paper tackles the problem of federated domain generalization in person re-identification (FedDG re-ID), aiming to learn a model generalizable to unseen domains with decentralized source domains. Previous methods mainly focus on preventing local overfitting. However, the direction of diversifyin…

2024

Learning to Distinguish Samples for Generalized Category Discovery

ECCV 2024poster

"Generalized Category Discovery (GCD) utilizes labelled data from seen categories to cluster unlabelled samples from both seen and unseen categories. Previous methods have demonstrated that assigning pseudo-labels for representation learning is effective. However, these methods commonly predict pseu…

2024

Selective Domain-Invariant Feature for Generalizable Deepfake Detection

ICASSP 2024accepted

With diverse presentation forgery methods emerging continually, detecting the authenticity of images has drawn growing attention. Although existing methods have achieved impressive accuracy in training dataset detection, they still perform poorly in the unseen domain and suffer from forgery of irrel…

Cited by 0SourceScholar
2024

TSESNet: Temporal-Spatial Enhanced Breast Tumor Segmentation in DCE-MRI Using Feature Perception and Separability

IJCAI 2024poster

Accurate segmentation of breast tumors in dynamic contrast-enhanced magnetic resonance images (DCE-MRI) is critical for early diagnosis of breast cancer. However, this task remains challenging due to the wide range of tumor sizes, shapes, and appearances. Additionally, the complexity is further comp…

Cited by 1SourcePDFScholar
2023

Cross-Modality Earth Mover’s Distance for Visible Thermal Person Re-identification

AAAI 2023technical

Visible thermal person re-identification (VT-ReID) suffers from inter-modality discrepancy and intra-identity variations. Distribution alignment is a popular solution for VT-ReID, however, it is usually restricted to the influence of the intra-identity variations. In this paper, we propose the Cross…

Cited by 40SourcePDFScholar
2023

Exploring Non-target Knowledge for Improving Ensemble Universal Adversarial Attacks

AAAI 2023technical

The ensemble attack with average weights can be leveraged for increasing the transferability of universal adversarial perturbation (UAP) by training with multiple Convolutional Neural Networks (CNNs). However, after analyzing the Pearson Correlation Coefficients (PCCs) between the ensemble logits an…

2021

A Multi-Constraint Similarity Learning with Adaptive Weighting for Visible-Thermal Person Re-Identification

IJCAI 2021poster

The challenges of visible-thermal person re-identification (VT-ReID) lies in the inter-modality discrepancy and the intra-modality variations. An appropriate metric learning plays a crucial role in optimizing the feature similarity between the two modalities. However, most existing metric learning-…

Cited by 30SourcePDFScholar
2021

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

CVPR 2021poster

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 pseudo-label by clustering and use them to optimize the model. Although this kind of approach has shown promising accuracy…

Cited by 153PDFcodeScholar
2021

Learning to Attack Real-World Models for Person Re-identification via Virtual-Guided Meta-Learning

AAAI 2021technical

Recent advances in person re-identification (re-ID) have led to impressive retrieval accuracy. However, existing re-ID models are challenged by the adversarial examples crafted by adding quasi-imperceptible perturbations. Moreover, re-ID systems face the domain shift issue that training and testing…

2021

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

CVPR 2021poster

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 train a new model for a new domain by accessing data. Due to public privacy, the new domain data are not always accessible…

Cited by 266PDFcodeScholar
2021

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

CVPR 2021poster

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 model with labeled data, and then identify new classes in unlabeled data via unsupervised clustering. However, the labeled d…

Cited by 152PDFScholar
2021

Text-based Person Search via Multi-Granularity Embedding Learning

IJCAI 2021poster

Most existing text-based person search methods highly depend on exploring the corresponding relations between the regions of the image and the words in the sentence. However, these methods correlated image regions and words in the same semantic granularity. It 1) results in irrelevant corresponding…

Cited by 78SourcePDFScholar
2020

Multi-label Feature Selection via Global Relevance and Redundancy Optimization

IJCAI 2020poster

Information theoretical based methods have attracted a great attention in recent years, and gained promising results to deal with multi-label data with high dimensionality. However, most of the existing methods are either directly transformed from heuristic single-label feature selection methods or…

Cited by 0SourcePDFScholar
2019

Invariance Matters: Exemplar Memory for Domain Adaptive Person Re-Identification

CVPR 2019poster

This paper considers the domain adaptive person re-identification (re-ID) problem: learning a re-ID model from a labeled source domain and an unlabeled target domain. Conventional methods are mainly to reduce feature distribution gap between the source and target domains. However, these studies larg…

Cited by 780PDFcodeScholar
2018

Camera Style Adaptation for Person Re-Identification

CVPR 2018poster

Being a cross-camera retrieval task, person re-identification suffers from image style variations caused by different cameras. The art implicitly addresses this problem by learning a camera-invariant descriptor subspace. In this paper, we explicitly consider this challenge by introducing camera styl…

2018

Generalizing A Person Retrieval Model Hetero- and Homogeneously

ECCV 2018poster

Person re-identification (re-ID) poses unique challenges for unsupervised domain adaptation (UDA) in that classes in the source and target sets (domains) are entirely different and that image variations are largely caused by cameras. Given a labeled source training set and an unlabeled target traini…

2017

Non-Local Deep Features for Salient Object Detection

CVPR 2017spotlight

Saliency detection aims to highlight the most relevant objects in an image. Methods using conventional models struggle whenever salient objects are pictured on top of a cluttered background while deep neural nets suffer from excess complexity and slow evaluation speeds. In this paper, we propose a…

Cited by 557PDFScholar
2015

Towards 3D Object Detection With Bimodal Deep Boltzmann Machines Over RGBD Imagery

CVPR 2015poster

Nowadays, detecting objects in 3D scenes like point clouds has become an emerging challenge with various applications. However, it retains as an open problem due to the deficiency of labeling 3D training data. To deploy an accurate detection algorithm typically resorts to investigating both RGB and…

Cited by 41SourcePDFScholar