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Ziquan Liu

23 accepted papers

2026

CASteer: Cross-Attention Steering for Controllable Concept Erasure

ICLR 2026poster

Diffusion models have transformed image generation, yet controlling their outputs for diverse applications, including content moderation and creative customization, remains challenging. Existing approaches usually require task-specific training and struggle to generalise across both concrete (e.g.,…

Cited by 0SourcecodeScholar
2026

Cost-Sensitive Conformal Training with Provably Controllable Learning Bounds

AAAI 2026technical

Conformal prediction (CP) is a general framework to quantify the predictive uncertainty of machine learning models that uses a set prediction to include the true label with a valid probability. To align the uncertainty measured by CP, conformal training methods minimize the size of the prediction se

Cited by 0SourcePDFScholar
2026

LiteVSR: Enabling Cross-Domain Fine-Grained Detail Generation in Light-Weight Transformers for Video Super-Resolution

ICML 2026poster

Large-scale pre-trained video generators offer powerful priors for Video Super-Resolution (VSR), yet adapting them remains computationally prohibitive. Full fine-tuning demands extensive resources, and ControlNet-style adapters lose their efficiency advantage under modern Diffusion Transformers (DiT…

Cited by 0SourceScholar
2026

MIDSTEER: Optimal Affine Framework for Steering Generative Models

ICML 2026poster

Steering intermediate representations has emerged as a powerful strategy for controlling generative models. However, despite its empirical success, it currently lacks a comprehensive theoretical framework. In this paper, we bridge this gap by formalizing the theory of concept steering. First, we est…

Cited by 0SourceScholar
2025

AIM-Fair: Advancing Algorithmic Fairness via Selectively Fine-Tuning Biased Models with Contextual Synthetic Data

CVPR 2025poster

Recent advances in generative models have sparked research on improving model fairness with AI-generated data. However, existing methods often face limitations in the diversity and quality of synthetic data, leading to compromised fairness and overall model accuracy. Moreover, many approaches rely o…

2025

ConformalSAM: Unlocking the Potential of Foundational Segmentation Models in Semi-Supervised Semantic Segmentation with Conformal Prediction

ICCV 2025poster

Pixel-level vision tasks, such as semantic segmentation, require extensive and high-quality annotated data, which is costly to obtain. Semi-supervised semantic segmentation (SSSS) has emerged as a solution to alleviate the labeling burden by leveraging both labeled and unlabeled data through self-tr…

Cited by 0SourcePDFScholar
2025

Cultural Alignment in Large Language Models: An Explanatory Analysis Based on Hofstede’s Cultural Dimensions

COLING 2025main

The deployment of large language models (LLMs) raises concerns regarding their cultural misalignment and potential ramifications on individuals and societies with diverse cultural backgrounds. While the discourse has focused mainly on political and social biases, our research proposes a Cultural Ali…

2025

Get Confused Cautiously: Textual Sequence Memorization Erasure with Selective Entropy Maximization

COLING 2025main

Large Language Models (LLMs) have been found to memorize and recite some of the textual sequences from their training set verbatim, raising broad concerns about privacy and copyright issues. This Textual Sequence Memorization (TSM) phenomenon leads to a high demand to regulate LLM output to prevent…

2025

PROSAC: Provably Safe Certification for Machine Learning Models under Adversarial Attacks

AAAI 2025technical

It is widely known that state-of-the-art machine learning models, including vision and language models, can be seriously compromised by adversarial perturbations. It is therefore increasingly relevant to develop capabilities to certify their performance in the presence of the most effective adversar…

Cited by 0SourcePDFScholar
2025

Query-based Knowledge Transfer for Heterogeneous Learning Environments

ICLR 2025poster

Decentralized collaborative learning under data heterogeneity and privacy constraints has rapidly advanced. However, existing solutions like federated learning, ensembles, and transfer learning, often fail to adequately serve the unique needs of clients, especially when local data representation i…

Cited by 0SourcePDFScholar
2025

RALAD: Bridging the Real-to-Sim Domain Gap in Autonomous Driving with Retrieval-Augmented Learning

IROS 2025

As end-to-end autonomous driving advances toward real-world deployment, ensuring the safety of autonomous vehicles (AVs) has become a critical requirement for their commercial viability. While rule-based AVs have traditionally undergone rigorous testing in both real-world and simulated environments

Cited by 2SourcecodeScholar
2025

SEBRA : Debiasing through Self-Guided Bias Ranking

ICLR 2025poster

Ranking samples by fine-grained estimates of spuriosity (the degree to which spurious cues are present) has recently been shown to significantly benefit bias mitigation, over the traditional binary biased-vs-unbiased partitioning of train sets. However, this spuriousity ranking comes with the requir…

2025

Temporal Unlearnable Examples: Preventing Personal Video Data from Unauthorized Exploitation by Object Tracking

ICCV 2025poster

With the rise of social media, vast amounts of user-uploaded videos (e.g., YouTube) are utilized as training data for Visual Object Tracking (VOT). However, the VOT community has largely overlooked video data-privacy issues, as many private videos have been collected and used for training commercial…

Cited by 0SourcePDFScholar
2024

A Secure Image Watermarking Framework with Statistical Guarantees via Adversarial Attacks on Secret Key Networks

ECCV 2024poster

"Imperceptible watermarks are essential in safeguarding the content authenticity and the rights of creators in imagery. Recently, several leading approaches, notably zero-bit watermarking, have demonstrated impressive imperceptibility and robustness in image watermarking. However, these methods have…

2024

The Pitfalls and Promise of Conformal Inference Under Adversarial Attacks

ICML 2024poster

In safety-critical applications such as medical imaging and autonomous driving, where decisions have profound implications for patient health and road safety, it is imperative to maintain both high adversarial robustness to protect against potential adversarial attacks and reliable uncertainty quant…

2023

Bayes-MIL: A New Probabilistic Perspective on Attention-based Multiple Instance Learning for Whole Slide Images

ICLR 2023poster

Multiple instance learning (MIL) is a popular weakly-supervised learning model on the whole slide image (WSI) for AI-assisted pathology diagnosis. The recent advance in attention-based MIL allows the model to find its region-of-interest (ROI) for interpretation by learning the attention weights for…

Cited by 20SourcePDFScholar
2023

DropMAE: Masked Autoencoders With Spatial-Attention Dropout for Tracking Tasks

CVPR 2023poster

In this paper, we study masked autoencoder (MAE) pretraining on videos for matching-based downstream tasks, including visual object tracking (VOT) and video object segmentation (VOS). A simple extension of MAE is to randomly mask out frame patches in videos and reconstruct the frame pixels. However,…

2023

Retrieval-Augmented Multiple Instance Learning

NeurIPS 2023poster

Multiple Instance Learning (MIL) is a crucial weakly supervised learning method applied across various domains, e.g., medical diagnosis based on whole slide images (WSIs). Recent advancements in MIL algorithms have yielded exceptional performance when the training and test data originate from the sa…

2023

TWINS: A Fine-Tuning Framework for Improved Transferability of Adversarial Robustness and Generalization

CVPR 2023poster

Recent years have seen the ever-increasing importance of pre-trained models and their downstream training in deep learning research and applications. At the same time, the defense for adversarial examples has been mainly investigated in the context of training from random initialization on simple cl…

2022

Improved Fine-Tuning by Better Leveraging Pre-Training Data

NeurIPS 2022accept

As a dominant paradigm, fine-tuning a pre-trained model on the target data is widely used in many deep learning applications, especially for small data sets. However, recent studies have empirically shown that training from scratch has the final performance that is no worse than this pre-training st…

2021

Bayesian Nested Neural Networks for Uncertainty Calibration and Adaptive Compression

CVPR 2021poster

Nested networks or slimmable networks are neural networks whose architectures can be adjusted instantly during testing time, e.g., based on computational constraints. Recent studies have focused on a "nested dropout" layer, which is able to order the nodes of a layer by importance during training, t…

Cited by 7PDFcodeScholar
2020

Fully Nested Neural Network for Adaptive Compression and Quantization

IJCAI 2020poster

Neural network compression and quantization are important tasks for fitting state-of-the-art models into the computational, memory and power constraints of mobile devices and embedded hardware. Recent approaches to model compression/quantization are based on reinforcement learning or search methods…

Cited by 0SourcePDFScholar