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Yuexiang Li

26 accepted papers

2025

A Simple Data Augmentation for Feature Distribution Skewed Federated Learning

CVPR 2025poster

Federated Learning (FL) facilitates collaborative learning among multiple clients in a distributed manner and ensures the security of privacy. However, its performance inevitably degrades with non-Independent and Identically Distributed (non-IID) data. In this paper, we focus on the feature distribu…

2025

A Simple yet Mighty Hartley Diffusion Versatilist for Generalizable Dense Vision Tasks

ICCV 2025poster

Diffusion models have demonstrated powerful capability as a versatilist for dense vision tasks, yet the generalization ability to unseen domains remains rarely explored. This paper presents HarDiff, an efficient frequency learning scheme, so as to advance generalizable paradigms for diffusion based…

Cited by 0SourcePDFScholar
2025

DGFamba: Learning Flow Factorized State Space for Visual Domain Generalization

AAAI 2025technical

Domain generalization aims to learn a representation from the source domain, which can be generalized to arbitrary unseen target domains. A fundamental challenge for visual domain generalization is the domain gap caused by the dramatic style variation whereas the image content is stable. The realm…

Cited by 1SourcePDFScholar
2025

Degradation-Aware Dynamic Schrödinger Bridge for Unpaired Image Restoration

NeurIPS 2025poster

Image restoration is a fundamental task in computer vision and machine learning, which learns a mapping between the clear images and the degraded images under various conditions (e.g., blur, low-light, haze). Yet, most existing image restoration methods are highly restricted by the requirement of de…

Cited by 0SourceScholar
2025

Learning a Cross-Modal Schrödinger Bridge for Visual Domain Generalization

NeurIPS 2025poster

Domain generalization aims to train models that perform robustly on unseen target domains without access to target data. The realm of vision-language foundation model has opened a new venue owing to its inherent out-of-distribution generalization capability. However, the static alignment to class-l…

Cited by 0SourceScholar
2025

NightAdapter: Learning a Frequency Adapter for Generalizable Night-time Scene Segmentation

CVPR 2025poster

Night-time scene segmentation is a critical yet challenging task in the real-world applications, primarily due to the complicated lighting conditions. However, existing methods lack sufficient generalization ability to unseen nigh-time scenes with varying illumination.In light of this issue, we focu…

2025

S³-Mamba: Small-Size-Sensitive Mamba for Lesion Segmentation

AAAI 2025technical

Small lesions play a critical role in early disease diagnosis and intervention of severe infections. Popular models often face challenges in segmenting small lesions, as it occupies only a minor portion of an image, while down-sampling operations may inevitably lose focus on local features of small…

Cited by 1SourcePDFScholar
2024

Combinatorial CNN-Transformer Learning with Manifold Constraints for Semi-supervised Medical Image Segmentation

AAAI 2024technical

Semi-supervised learning (SSL), as one of the dominant methods, aims at leveraging the unlabeled data to deal with the annotation dilemma of supervised learning, which has attracted much attentions in the medical image segmentation. Most of the existing approaches leverage a unitary network by conv…

Cited by 7SourcePDFScholar
2024

Going Beyond Multi-Task Dense Prediction with Synergy Embedding Models

CVPR 2024poster

Multi-task visual scene understanding aims to leverage the relationships among a set of correlated tasks which are solved simultaneously by embedding them within a uni- fied network. However most existing methods give rise to two primary concerns from a task-level perspective: (1) the lack of task-i…

Cited by 5SourcePDFScholar
2024

Learning Frequency-Adapted Vision Foundation Model for Domain Generalized Semantic Segmentation

NeurIPS 2024poster

The emerging vision foundation model (VFM) has inherited the ability to generalize to unseen images. Nevertheless, the key challenge of domain-generalized semantic segmentation (DGSS) lies in the domain gap attributed to the cross-domain styles, i.e., the variance of urban landscape and environment…

2024

Learning Generalized Medical Image Segmentation from Decoupled Feature Queries

AAAI 2024technical

Domain generalized medical image segmentation requires models to learn from multiple source domains and generalize well to arbitrary unseen target domain. Such a task is both technically challenging and clinically practical, due to the domain shift problem (i.e., images are collected from different…

2024

Samba: Severity-aware Recurrent Modeling for Cross-domain Medical Image Grading

NeurIPS 2024poster

Disease grading is a crucial task in medical image analysis. Due to the continuous progression of diseases, i.e., the variability within the same level and the similarity between adjacent stages, accurate grading is highly challenging. Furthermore, in real-world scenarios, models trained on limited…

2024

Self-Supervised Cross-Level Consistency Learning For Fundus Image Classification

ICASSP 2024accepted

The rapid development of intelligent systems for eye disease diagnosis decreases the risk of people suffering from vision impairment. However, the superior discrimination ability of existing retinal disease diagnosis methods heavily relies on the large-scale high-quality annotations. In this work, w…

Cited by 0SourceScholar
2023

AdaptiveMix: Improving GAN Training via Feature Space Shrinkage

CVPR 2023poster

Due to the outstanding capability for data generation, Generative Adversarial Networks (GANs) have attracted considerable attention in unsupervised learning. However, training GANs is difficult, since the training distribution is dynamic for the discriminator, leading to unstable image representatio…

2023

BoxDiff: Text-to-Image Synthesis with Training-Free Box-Constrained Diffusion

ICCV 2023poster

Recent text-to-image diffusion models have demonstrated an astonishing capacity to generate high-quality images. However, researchers mainly studied the way of synthesizing images with only text prompts. While some works have explored using other modalities as conditions, considerable paired data, e…

Cited by 200PDFcodeScholar
2023

ClassFormer: Exploring Class-Aware Dependency with Transformer for Medical Image Segmentation

AAAI 2023technical

Vision Transformers have recently shown impressive performances on medical image segmentation. Despite their strong capability of modeling long-range dependencies, the current methods still give rise to two main concerns in a class-level perspective: (1) intra-class problem: the existing methods lac…

Cited by 6SourcePDFScholar
2023

Combating Mode Collapse via Offline Manifold Entropy Estimation

AAAI 2023technical

Generative Adversarial Networks (GANs) have shown compelling results in various tasks and applications in recent years. However, mode collapse remains a critical problem in GANs. In this paper, we propose a novel training pipeline to address the mode collapse issue of GANs. Different from existing m…

2023

Dynamically Masked Discriminator for GANs

NeurIPS 2023poster

Training Generative Adversarial Networks (GANs) remains a challenging problem. The discriminator trains the generator by learning the distribution of real/generated data. However, the distribution of generated data changes throughout the training process, which is difficult for the discriminator to…

2023

FemtoDet: An Object Detection Baseline for Energy Versus Performance Tradeoffs

ICCV 2023poster

Efficient detectors for edge devices are often optimized for parameters or speed count metrics, which remain in weak correlation with the energy of detectors. However, some vision applications of convolutional neural networks, such as always-on surveillance cameras, are critical for energy constra…

Cited by 14PDFcodeScholar
2023

Interactive Segmentation As Gaussion Process Classification

CVPR 2023highlight

Click-based interactive segmentation (IS) aims to extract the target objects under user interaction. For this task, most of the current deep learning (DL)-based methods mainly follow the general pipelines of semantic segmentation. Albeit achieving promising performance, they do not fully and explici…

2023

Learning Visual Prior via Generative Pre-Training

NeurIPS 2023poster

Various stuff and things in visual data possess specific traits, which can be learned by deep neural networks and are implicitly represented as the visual prior, e.g., object location and shape, in the model. Such prior potentially impacts many vision tasks. For example, in conditional image synthes…

2023

SemiCVT: Semi-Supervised Convolutional Vision Transformer for Semantic Segmentation

CVPR 2023poster

Semi-supervised learning improves data efficiency of deep models by leveraging unlabeled samples to alleviate the reliance on a large set of labeled samples. These successes concentrate on the pixel-wise consistency by using convolutional neural networks (CNNs) but fail to address both global learni…

Cited by 25SourcePDFScholar
2022

Adaptive Convolutional Dictionary Network for CT Metal Artifact Reduction

IJCAI 2022poster

Inspired by the great success of deep neural networks, learning-based methods have gained promising performances for metal artifact reduction (MAR) in computed tomography (CT) images. However, most of the existing approaches put less emphasis on modelling and embedding the intrinsic prior knowledge…

2022

Generalized Brain Image Synthesis with Transferable Convolutional Sparse Coding Networks

ECCV 2022poster

"High inter-equipment variability and expensive examination costs of brain imaging remain key challenges in leveraging the heterogeneous scans effectively. Despite rapid growth in image-to-image translation with deep learning models, the target brain data may not always be achievable due to the spec…

Cited by 1SourcePDFScholar
2020

Dual Adversarial Network for Deep Active Learning

ECCV 2020poster

Active learning, reducing the cost and workload of annotations, attracts increasing attentions from the community. Current active learning approaches commonly adopted uncertainty-based acquisition functions for the data selection due to their effectiveness. However, data selection based on uncertain…

Cited by 40SourcePDFScholar
2020

Self-Supervised CycleGAN for Object-Preserving Image-to-Image Domain Adaptation

ECCV 2020poster

Recent generative adversarial network (GAN) based methods (e.g., CycleGAN) are prone to fail at preserving image-objects in image-to-image translation, which reduces their practicality on tasks such as domain adaptation. Some frameworks have been proposed to adopt a segmentation network as the auxil…

Cited by 34SourcePDFScholar