← Search

Yuyuan Li

21 accepted papers

2026

Bridging the Copyright Gap: Do Large Vision-Language Models Recognize and Respect Copyrighted Content?

AAAI 2026technical

Large vision-language models (LVLMs) have achieved remarkable advancements in multimodal reasoning tasks. However, their widespread accessibility raises critical concerns about potential copyright infringement. Will LVLMs accurately recognize and comply with copyright regulations when encountering c

Cited by 0SourcePDFScholar
2026

DP-GenG: Differentially Private Dataset Distillation Guided by DP-Generated Data

AAAI 2026technical

Dataset distillation (DD) compresses large datasets into smaller ones while preserving the performance of models trained on them. Although DD is often assumed to enhance data privacy by aggregating over individual examples, recent studies reveal that standard DD can still leak sensitive information

Cited by 0SourcePDFScholar
2026

Demystifying the Optimal Fair Classifier in Multi-Class Classification

ICML 2026poster

Ensuring fair and equitable treatment across diverse groups, particularly in multi-class classification tasks, poses a significant challenge due to the persistent biases inherent in machine learning models. Most existing bias mitigation techniques are tailored to binary settings, and the presence of…

Cited by 0SourceScholar
2026

FedAU2: Attribute Unlearning for User-Level Federated Recommender Systems with Adaptive and Robust Adversarial Training

AAAI 2026technical

Federated Recommender Systems (FedRecs) leverage federated learning to protect user privacy by retaining data locally. However, user embeddings in FedRecs often encode sensitive attribute information, rendering them vulnerable to attribute inference attacks. Attribute unlearning has emerged as a pro

Cited by 0SourcePDFScholar
2026

Leveraging Machine Unlearning for Cost-Efficient Preference Alignment

ICML 2026poster

Despite advances in Preference Alignment (PA) for Large Language Models (LLMs), mainstream methods like reinforcement learning with human feedback face notable challenges. These approaches require high-quality datasets of positive preference examples, which are costly to obtain and computationally i…

Cited by 0SourceScholar
2026

TOFA: Training-Free One-Shot Federated Adaptation for Vision-Language Models

AAAI 2026technical

Efficient and lightweight adaptation of pre-trained Vision-Language Models (VLMs) to downstream tasks through collaborative interactions between local clients and a central server is a rapidly emerging research topic in federated learning. Existing adaptation algorithms are typically trained iterati

Cited by 0SourcePDFScholar
2026

Test-Time Debiasing with Probabilistic Prompts via Wasserstein Distance in Vision-Language Models

ICML 2026poster

Vision-Language Models (VLMs) inherit social biases from large-scale pretraining data, and these biases can amplify in downstream tasks, leading to systematic performance disparities across sensitive groups. Due to the high training cost and the risk of catastrophic forgetting, recent research has f…

Cited by 0SourceScholar
2025

Controllable Unlearning for Image-to-Image Generative Models via $\epsilon$-Constrained Optimization

ICLR 2025poster

While generative models have made significant advancements in recent years, they also raise concerns such as privacy breaches and biases. Machine unlearning has emerged as a viable solution, aiming to remove specific training data, e.g., containing private information and bias, from models. In this…

Cited by 1SourcePDFScholar
2025

FedFACT: A Provable Framework for Controllable Group-Fairness Calibration in Federated Learning

NeurIPS 2025poster

With emerging application of Federated Learning (FL) in decision-making scenarios, it is imperative to regulate model fairness to prevent disparities across sensitive groups (e.g., female, male). Current research predominantly focuses on two concepts of group fairness within FL: *Global Fairness* (o…

Cited by 0SourceScholar
2025

MotionStone: Decoupled Motion Intensity Modulation with Diffusion Transformer for Image-to-Video Generation

CVPR 2025poster

The image-to-video (I2V) generation is conditioned on the static image, which has been enhanced recently by the motion intensity as an additional control signal. These motion-aware models are appealing to generate diverse motion patterns, yet there lacks a reliable motion estimator for training such…

Cited by 4SourcePDFScholar
2025

UMU-Bench: Closing the Modality Gap in Multimodal Unlearning Evaluation

NeurIPS 2025poster

Although Multimodal Large Language Models (MLLMs) have advanced numerous fields, their training on extensive multimodal datasets introduces significant privacy concerns, prompting the necessity for efficient unlearning methods. However, current multimodal unlearning approaches often directly adapt t…

Cited by 7SourceScholar
2024

CURE4Rec: A Benchmark for Recommendation Unlearning with Deeper Influence

NeurIPS 2024poster

With increasing privacy concerns in artificial intelligence, regulations have mandated the right to be forgotten, granting individuals the right to withdraw their data from models. Machine unlearning has emerged as a potential solution to enable selective forgetting in models, particularly in recomm…

2024

Check Locate Rectify: A Training-Free Layout Calibration System for Text-to-Image Generation

CVPR 2024poster

Diffusion models have recently achieved remarkable progress in generating realistic images. However challenges remain in accurately understanding and synthesizing the layout requirements in the textual prompts. To align the generated image with layout instructions we present a training-free layout c…

2024

Fine-grained Pluggable Gradient Ascent for Knowledge Unlearning in Language Models

EMNLP 2024main

Pre-trained language models acquire knowledge from vast amounts of text data, which can inadvertently contain sensitive information. To mitigate the presence of undesirable knowledge, the task of knowledge unlearning becomes crucial for language models. Previous research relies on gradient ascent me…

2024

Intra- and Inter-group Optimal Transport for User-Oriented Fairness in Recommender Systems

AAAI 2024technical

Recommender systems are typically biased toward a small group of users, leading to severe unfairness in recommendation performance, i.e., User-Oriented Fairness (UOF) issue. Existing research on UOF exhibits notable limitations in two phases of recommendation models. In the training phase, current m…

Cited by 6SourcePDFScholar
2024

One for All: A Universal Generator for Concept Unlearnability via Multi-Modal Alignment

ICML 2024poster

The abundance of free internet data offers unprecedented opportunities for researchers and developers, but it also poses privacy risks. Utilizing data without explicit consent raises critical challenges in protecting personal information.Unlearnable examples have emerged as a feasible protection app…

Cited by 3SourcePDFScholar
2024

UKnow: A Unified Knowledge Protocol with Multimodal Knowledge Graph Datasets for Reasoning and Vision-Language Pre-Training

NeurIPS 2024poster

This work presents a unified knowledge protocol, called UKnow, which facilitates knowledge-based studies from the perspective of data. Particularly focusing on visual and linguistic modalities, we categorize data knowledge into five unit types, namely, in-image, in-text, cross-image, cross-text, and…

Cited by 0SourcePDFScholar
2023

UltraRE: Enhancing RecEraser for Recommendation Unlearning via Error Decomposition

NeurIPS 2023poster

With growing concerns regarding privacy in machine learning models, regulations have committed to granting individuals the right to be forgotten while mandating companies to develop non-discriminatory machine learning systems, thereby fueling the study of the machine unlearning problem. Our attentio…

2023

VoP: Text-Video Co-Operative Prompt Tuning for Cross-Modal Retrieval

CVPR 2023poster

Many recent studies leverage the pre-trained CLIP for text-video cross-modal retrieval by tuning the backbone with additional heavy modules, which not only brings huge computational burdens with much more parameters, but also leads to the knowledge forgetting from upstream models. In this work, we p…

2018

Depth Super-Resolution Using Joint Adaptive Weighted Least Squares And Patching Gradient

ICASSP 2018accepted

This paper presents a flexible framework for the challenging task of color-guided depth upsampling. Some state-of-the-art approaches apply an aligned RGB image for depth recovery. Unfortunately, these kinds of methods may result in texture copying artifacts and edge blurring artifacts. To address th…

Cited by 0SourceScholar
2018

Hard Shadows Removal Using an Approximate Illumination Invariant

ICASSP 2018accepted

Hard shadows detection and removal from foreground masks is a challenging step in change detection. This paper gives a simple and effective method to address hard shadows. There are inside portion and boundary portion in hard shadows. Pixel-wise neighborhood ratio is calculated to remove the most of…

Cited by 0SourceScholar