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SHUAI LIU

47 accepted papers

2026

Beyond Duality: A Hybrid Framework of Leveraging Shared and Private Features for RGB-Event Object Detection

CVPR 2026

RGB-Event object detection is able to capture clear and detailed features of the target while maintaining high-speed information collection. It is suitable for high dynamic or harsh environments and has become a research hotspot in recent years. The existing RGB-Event object detectors all struggle t

Cited by 0SourcecodeScholar
2026

Beyond Pixels: Mining Compressed Domain Artifacts for Efficient AI-Generated Video Detection

ICML 2026poster

With the rapid advancement of high-fidelity video generation models, robust AI-generated video (AIGV) detection has become increasingly needed. While most AIGV detection methods operate in the decoded pixel domain, we observe that detection in the pixel domain inevitably entangles task-irrelevant se…

Cited by 0SourceScholar
2026

EchoBat: Echo-Vision Enhancement and Echo-Layered Sampling for Video LLMs Hallucination Mitigation

AAAI 2026technical

Recent advancements in multimodal large language models (MLLMs) have shown remarkable progress in video understanding. However, video MLLMs (VideoMLLMs) still suffer from hallucinations, generating nonsensical or irrelevant content. This issue partly stems from over-reliance on pre-trained knowledge

Cited by 0SourcePDFScholar
2026

Residual Decoding: Mitigating Hallucinations in Large Vision-Language Models via History-Aware Residual Guidance

CVPR 2026

Large Vision-Language Models (LVLMs) can reason from image-text inputs and perform well in various multimodal tasks. Despite this success, they are affected by language priors and often produce hallucinations. Hallucinations denote generated content that is grammatically and syntactically coherent,

Cited by 0SourceScholar
2026

SupGS-SLAM: Gaussian Splatting SLAM with Efficient Keyframe Strategy and Supplementary Mapping

ICRA 2026poster

Gaussian Splatting SLAM methods have exhibited impressive high-fidelity rendering performance. Existing methods maintain high rendering quality around the current camera viewpoint, but the rendering quality degrades in previously observed regions as the camera moves away, particularly in real-world …

Cited by 0codeScholar
2025

D3: Training-Free AI-Generated Video Detection Using Second-Order Features

ICCV 2025poster

The evolution of video generation techniques, such as Sora, has made it increasingly easy to produce high-fidelity AI-generated videos, raising public concern over the dissemination of synthetic content. However, existing detection methodologies remain limited by their insufficient exploration of te…

2025

Deep Receiver for Multi-Layer Data Transmission with Superimposed Pilots

ICASSP 2025accepted

We investigate a multi-layer data transmission scheme with superimposed pilots (SIPs) to enhance the throughput of multiple-input multiple-output orthogonal frequency-division multiplexing systems. However, in multi-layer data transmission scenarios, signal coupling between different antennas and la…

Cited by 0SourceScholar
2025

Disco4D: Disentangled 4D Human Generation and Animation from a Single Image

CVPR 2025poster

We present Disco4D, a novel Gaussian Splatting framework for 4D human generation and animation from a single image. Different from existing methods, Disco4D distinctively disentangles clothings (with Gaussian models) from the human body (with SMPL-X model), significantly enhancing the generation det…

2025

Efficient Event Camera Data Pretraining with Adaptive Prompt Fusion

ICCV 2025poster

Applying pretraining-finetuning paradigm to event cameras presents significant challenges due to the scarcity of large-scale event datasets and the inherently sparse nature of event data, which increases the risk of overfitting during extensive pretraining.In this paper, we explore the transfer of p…

2025

EgoLife: Towards Egocentric Life Assistant

CVPR 2025poster

We introduce EgoLife, a project to develop an egocentric life assistant that accompanies and enhances personal efficiency through AI-powered wearable glasses. To lay the foundation for this assistant, we conducted a comprehensive data collection study where six participants lived together for one we…

2025

Enhancing Efficiency and Exploration in Reinforcement Learning for LLMs

EMNLP 2025

Reasoning large language models (LLMs) excel in complex tasks, which has drawn significant attention to reinforcement learning (RL) for LLMs. However, existing approaches allocate an equal number of rollouts to all questions during the RL process, which is inefficient. This inefficiency stems from t

2025

FSHNet: Fully Sparse Hybrid Network for 3D Object Detection

CVPR 2025poster

Fully sparse 3D detectors have recently gained significant attention due to their efficiency in long-range detection. However, sparse 3D detectors extract features only from non-empty voxels, which impairs long-range interactions and causes the center feature missing. The former weakens the feature…

2025

FSTLLM: Spatio-Temporal LLM for Few Shot Time Series Forecasting

ICML 2025poster

Time series forecasting fundamentally relies on accurately modeling complex interdependencies and shared patterns within time series data. Recent advancements, such as Spatio-Temporal Graph Neural Networks (STGNNs) and Time Series Foundation Models (TSFMs), have demonstrated promising results by eff…

2025

GaussianFusion: Gaussian-Based Multi-Sensor Fusion for End-to-End Autonomous Driving

NeurIPS 2025spotlight

Multi-sensor fusion is crucial for improving the performance and robustness of end-to-end autonomous driving systems. Existing methods predominantly adopt either attention-based flatten fusion or bird’s eye view fusion through geometric transformations. However, these approaches often suffer from li…

Cited by 0SourceScholar
2025

LMMs-Eval: Reality Check on the Evaluation of Large Multimodal Models

NAACL 2025findings

The advances of large foundation models necessitate wide-coverage, low-cost, and zero-contamination benchmarks. Despite continuous exploration of language model evaluations, comprehensive studies on the evaluation of Large Multi-modal Models (LMMs) remain limited. In this work, we introduce LMMS-EVA…

2025

One-Shot Face Avatar Generation in a Single Forward Pass with Identity Preservation

ICASSP 2025accepted

Face avatar generation has gained significant attention recently. With the help of the Neural Radiance Field (NeRF), existing 3D methods alleviate facial distortion in 2D methods under large pose changes. However, the state-of-the-art 3D methods still require additional optimization for generation o…

Cited by 0SourceScholar
2025

SURDS: Benchmarking Spatial Understanding and Reasoning in Driving Scenarios with Vision Language Models

NeurIPS 2025poster

Accurate spatial reasoning in outdoor environments—covering geometry, object pose, and inter-object relationships—is fundamental to downstream tasks such as mapping, motion forecasting, and high-level planning in autonomous driving. We introduce SURDS, a large-scale benchmark designed to systematica…

Cited by 0SourcecodeScholar
2025

TGDrag: Adding Semantic Control into Point-based Image Editing via Text Guidance

ICASSP 2025accepted

Controllable image generation has emerged as a cutting-edge subject of interest. Current interactive point-based image editing frameworks, such as DragGAN, achieve impressive results in fine-grained and controllable image editing. However, relying solely on point-based manipulations can lead to unin…

Cited by 0SourceScholar
2025

The Million Authors Corpus: A Cross-Lingual and Cross-Domain Wikipedia Dataset for Authorship Verification

ACL 2025finding

Authorship verification (AV) is a crucial task for applications like identity verification, plagiarism detection, and AI-generated text identification. However, datasets for training and evaluating AV models are primarily in English and primarily in a single domain. This precludes analysis of AV tec…

Cited by 0SourcePDFScholar
2025

TrackFusion: Enhancing Multi-Object Tracking With Temporal Trajectory Modeling and Frame-Integrated Detection

ICASSP 2025accepted

Although MOTIP is the SOTA multi-object tracking method, there are still some issues that limit its performance. First, MOTIP still has defects in temporal information modeling, which leads to the failure to fully utilize the historical information of the tracked target and affects the correlation p…

Cited by 0SourceScholar
2024

Almost Free: Self-concordance in Natural Exponential Families and an Application to Bandits

NeurIPS 2024poster

We prove that single-parameter natural exponential families with subexponential tails are self-concordant with polynomial-sized parameters. For subgaussian natural exponential families we establish an exact characterization of the growth rate of the self-concordance parameter. Applying these finding…

Cited by 1SourcePDFScholar
2024

Breaking Semantic Artifacts for Generalized AI-generated Image Detection

NeurIPS 2024poster

With the continuous evolution of AI-generated images, the generalized detection of them has become a crucial aspect of AI security. Existing detectors have focused on cross-generator generalization, while it remains unexplored whether these detectors can generalize across different image scenes, e.…

2024

Can Language Model Moderators Improve the Health of Online Discourse?

NAACL 2024long

Conversational moderation of online communities is crucial to maintaining civility for a constructive environment, but it is challenging to scale and harmful to moderators. The inclusion of sophisticated natural language generation modules as a force multiplier to aid human moderators is a tantalizi…

2024

Exploration via linearly perturbed loss minimisation

AISTATS 2024poster

We introduce \emph{exploration via linear loss perturbations} (EVILL), a randomised exploration method for structured stochastic bandit problems that works by solving for the minimiser of a linearly perturbed regularised negative log-likelihood function. We show that, for the case of generalised lin…

2024

FFAM: Feature Factorization Activation Map for Explanation of 3D Detectors

NeurIPS 2024poster

LiDAR-based 3D object detection has made impressive progress recently, yet most existing models are black-box, lacking interpretability. Previous explanation approaches primarily focus on analyzing image-based models and are not readily applicable to LiDAR-based 3D detectors. In this paper, we propo…

2024

Octopus: Embodied Vision-Language Programmer from Environmental Feedback

ECCV 2024poster

"Large vision-language models (VLMs) have achieved substantial progress in multimodal perception and reasoning. When integrated into an embodied agent, existing embodied VLM works either output detailed action sequences at the manipulation level or only provide plans at an abstract level, leaving a…

2024

Self-Supervised High Dynamic Range Imaging with Multi-Exposure Images in Dynamic Scenes

ICLR 2024poster

Merging multi-exposure images is a common approach for obtaining high dynamic range (HDR) images, with the primary challenge being the avoidance of ghosting artifacts in dynamic scenes. Recent methods have proposed using deep neural networks for deghosting. However, the methods typically rely on suf…

2024

UrbanLLM: Autonomous Urban Activity Planning and Management with Large Language Models

EMNLP 2024finding

Location-based services play an critical role in improving the quality of our daily lives. Despite the proliferation of numerous specialized AI models within spatio-temporal context of location-based services, these models struggle to autonomously tackle problems regarding complex urban planing and…

2023

4D Panoptic Scene Graph Generation

NeurIPS 2023spotlight

We are living in a three-dimensional space while moving forward through a fourth dimension: time. To allow artificial intelligence to develop a comprehensive understanding of such a 4D environment, we introduce **4D Panoptic Scene Graph (PSG-4D)**, a new representation that bridges the raw visual da…

Cited by 16SourcePDFScholar
2023

AsT: An Asymmetric-Sensitive Transformer for Osteonecrosis of the Femoral Head Detection (Student Abstract)

AAAI 2023technical

Early diagnosis of osteonecrosis of the femoral head (ONFH) can inhibit the progression and improve femoral head preservation. The radiograph difference between early ONFH and healthy ones is not apparent to the naked eye. It is also hard to produce a large dataset to train the classification model.…

Cited by 0SourcePDFScholar
2023

Beyond Image Borders: Learning Feature Extrapolation for Unbounded Image Composition

ICCV 2023poster

For improving image composition and aesthetic quality, most existing methods modulate the captured images by striking out redundant content near the image borders. However, such image cropping methods are limited in the range of image views. Some methods have been suggested to extrapolate the images…

Cited by 2PDFcodeScholar
2023

Multivariate Time-series Imputation with Disentangled Temporal Representations

ICLR 2023poster

Multivariate time series often faces the problem of missing value. Many time series imputation methods have been developed in the literature. However, these methods all rely on an entangled representation to model dynamics of time series, which may fail to fully exploit the multiple factors (e.g., p…

Cited by 37SourcePDFScholar
2023

Physics-Guided ISO-Dependent Sensor Noise Modeling for Extreme Low-Light Photography

CVPR 2023poster

Although deep neural networks have achieved astonishing performance in many vision tasks, existing learning-based methods are far inferior to the physical model-based solutions in extreme low-light sensor noise modeling. To tap the potential of learning-based sensor noise modeling, we investigate th…

2023

RECAP: Retrieval-Enhanced Context-Aware Prefix Encoder for Personalized Dialogue Response Generation

ACL 2023long

Endowing chatbots with a consistent persona is essential to an engaging conversation, yet it remains an unresolved challenge. In this work, we propose a new retrieval-enhanced approach for personalized response generation. Specifically, we design a hierarchical transformer retriever trained on dialo…

2023

SynBody: Synthetic Dataset with Layered Human Models for 3D Human Perception and Modeling

ICCV 2023poster

Synthetic data has emerged as a promising source for 3D human research as it offers low-cost access to large-scale human datasets. To advance the diversity and annotation quality of human models, we introduce a new synthetic dataset, SynBody, with three appealing features: 1) a clothed parametric hu…

Cited by 48PDFcodeScholar
2022

"PartImageNet: A Large, High-Quality Dataset of Parts"

ECCV 2022poster

"It is natural to represent objects in terms of their parts. This has the potential to improve the performance of algorithms for object recognition and segmentation but can also help for downstream tasks like activity recognition. Research on part-based models, however, is hindered by the lack of da…

2022

TransFG: A Transformer Architecture for Fine-Grained Recognition

AAAI 2022technical

Fine-grained visual classification (FGVC) which aims at recognizing objects from subcategories is a very challenging task due to the inherently subtle inter-class differences. Most existing works mainly tackle this problem by reusing the backbone network to extract features of detected discriminativ…

2021

CSGNN: Contrastive Self-Supervised Graph Neural Network for Molecular Interaction Prediction

IJCAI 2021poster

Molecular interactions are significant resources for analyzing sophisticated biological systems. Identification of multifarious molecular interactions attracts increasing attention in biomedicine, bioinformatics, and human healthcare communities. Recently, a plethora of methods have been proposed to…

2020

A Compact and Low-cost Robotic Manipulator Driven by Supercoiled Polymer Actuators

ICRA 2020poster

The supercoiled polymer (SCP) actuator is a novel artificial muscle, which is manufactured by twisting and coiling polymer fibers. This new artificial muscle is soft, low-cost and shows good linearity. Being utilized as an actuator, the artificial muscle could generate significant mechanical power i…

Cited by 18SourceScholar
2020

Vacuum Driven Auxetic Switching Structure and Its Application on a Gripper and Quadruped

IROS 2020poster

The properties and applications of auxetics have been widely explored in the past years. Through proper utilization of auxetic structures, designs with unprecedented mechanical and structural behaviors can be produced. Taking advantage of this, we present the development of novel and low-cost 3D str…

Cited by 1SourceScholar
2015

Averaging based distributed estimation algorithm for sensor networks with quantized and directed communication

ICASSP 2015accepted

In this paper, we consider the distributed parameter estimation problem over sensor networks in the presence of quantized data and directed communication links. We propose a two-stage algorithm aiming at achieving the centralized sample mean estimate in a distributed manner. The running average tech…

Cited by 0SourceScholar