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Ao Li

27 accepted papers

2026

Enhancing Kernel Power $K$-means: Scalable and Robust Clustering with Random Fourier Features and Possibilistic Method

AAAI 2026technical

Kernel power k-means (KPKM) leverages a family of means to mitigate local minima issues in kernel k-means. However, KPKM faces two key limitations: (1) the computational burden of the full kernel matrix restricts its use on extensive data, and (2) the lack of authentic centroid-sample assignment lea

Cited by 0SourcePDFScholar
2026

Federated Multi-view Clustering for Remote Sensing Data

ICML 2026poster

The rapid expansion of remote sensing technology has generated massive amounts of unlabeled multi-view data distributed across different institutions. Analyzing this data presents significant challenges, as centralized processing incurs prohibitive communication costs and raises data privacy concern…

Cited by 0SourceScholar
2026

GraphFlow: A Graph-Based Workflow Management for Efficient LLM-Agent Serving

ICML 2026poster

Large Language Model (LLM)-based agents demonstrate strong reasoning and execution capabilities on complex tasks when guided by structured instructions, commonly referred to as workflows. However, existing workflow-assisted agent serving systems typically rely on predefined templates and shallow mat…

Cited by 0SourceScholar
2026

Learning Fingerprints for Medical Time Series with Redundancy-Constrained Information Maximization

ICML 2026poster

Learning meaningful representations from medical time series (MedTS), such as ECG or EEG signals, is a critical challenge. These signals are often high-dimensional, variable-length, and rife with noise. Existing self-supervised approaches, such as Masked Autoencoders (MAEs), are highly effective for…

Cited by 0SourceScholar
2026

SRPO: Self-Referential Policy Optimization for Vision-Language-Action Models

CVPR 2026

Vision-Language-Action (VLA) models excel in robotic manipulation but are constrained by their heavy reliance on expert demonstrations, leading to demonstration bias and limiting performance. Reinforcement learning (RL) is a vital post-training strategy to overcome these limits, yet current VLA-RL m

Cited by 0SourceScholar
2026

Sample-specific Modality Diagnosis and Cross-modal Enhancement for Incomplete Multimodal Representations

AAAI 2026technical

In multimodal sentiment analysis, modality missingness and quality degradation are common. Existing methods often rely on batch-level modality generation, generation but neglect sample-level missingness, hence their flexibility is limited severely in real-world scenarios. To address this, Sample-spe

Cited by 0SourcePDFScholar
2026

TransPrune: Token Transition Pruning for Efficient Large Vision-Language Model

CVPR 2026

Large Vision-Language Models (LVLMs) have advanced multimodal learning but face high computational cost issues due to the input of large number of visual tokens, motivating token pruning to improve inference efficiency.The key challenge lies in identifying which tokens are truly important.Most exist

Cited by 0SourcecodeScholar
2026

VARestorer: One-Step VAR Distillation for Real-World Image Super-Resolution

ICLR 2026poster

Recent advancements in visual autoregressive models (VAR) have demonstrated their effectiveness in image generation, highlighting their potential for real-world image super-resolution (Real-ISR). However, adapting VAR for ISR presents critical challenges. The next-scale prediction mechanism, constra…

Cited by 0SourcecodeScholar
2025

Agent-Oriented Planning in Multi-Agent Systems

ICLR 2025poster

Through the collaboration of multiple LLM-empowered agents possessing diverse expertise and tools, multi-agent systems achieve impressive progress in solving real-world problems. Given the user queries, the meta-agents, serving as the brain within multi-agent systems, are required to decompose the q…

2025

An Improved Motion Strategy With Uncertainty Perception for the Underwater Robot Based on Thrust Allocation Model

RA-L 2025

With the increasing research on underwater robots, the research on the stable motion mode and control strategy of underwater robots that consider practical constraints and the underwater disturbance from complex environment is still immature. There is a lack of quantitative analysis and comparison o

Cited by 8SourceScholar
2025

Exploratory Movement Strategies for Texture Discrimination with a Neuromorphic Tactile Sensor

IROS 2025

We propose a neuromorphic tactile sensing frame-work for robotic texture classification that is inspired by human exploratory strategies. Our system utilizes the NeuroTac sensor to capture neuromorphic tactile data during a series of exploratory motions. We first tested six distinct motions for text

Cited by 1SourceScholar
2025

InstaRevive: One-Step Image Enhancement via Dynamic Score Matching

ICLR 2025poster

Image enhancement finds wide-ranging applications in real-world scenarios due to complex environments and the inherent limitations of imaging devices. Recent diffusion-based methods yield promising outcomes but necessitate prolonged and computationally intensive iterative sampling. In response, we p…

Cited by 0SourcePDFScholar
2025

MaRS: A Fast Sampler for Mean Reverting Diffusion based on ODE and SDE Solvers

ICLR 2025spotlight

In applications of diffusion models, controllable generation is of practical significance, but is also challenging. Current methods for controllable generation primarily focus on modifying the score function of diffusion models, while Mean Reverting (MR) Diffusion directly modifies the structure of…

Cited by 0SourcePDFScholar
2025

MobileIE: An Extremely Lightweight and Effective ConvNet for Real-Time Image Enhancement on Mobile Devices

ICCV 2025poster

Recent advancements in deep neural networks have driven significant progress in image enhancement (IE). However, deploying deep learning models on resource-constrained platforms, such as mobile devices, remains challenging due to high computation and memory demands. To address these challenges and f…

2025

Mutual Effort for Efficiency: A Similarity-based Token Pruning for Vision Transformers in Self-Supervised Learning

ICLR 2025poster

Self-supervised learning (SSL) offers a compelling solution to the challenge of extensive labeled data requirements in traditional supervised learning. With the proven success of Vision Transformers (ViTs) in supervised tasks, there is increasing interest in adapting them for SSL frameworks. However…

Cited by 0SourcePDFScholar
2025

Rethinking Token Reduction with Parameter-Efficient Fine-Tuning in ViT for Pixel-Level Tasks

CVPR 2025poster

Parameter-efficient fine-tuning (PEFT) adapts pre-trained models to new tasks by updating only a small subset of parameters, achieving efficiency but still facing significant inference costs driven by input token length. This challenge is even more pronounced in pixel-level tasks, which require long…

2025

ScoreHOI: Physically Plausible Reconstruction of Human-Object Interaction via Score-Guided Diffusion

ICCV 2025poster

Joint reconstruction of human-object interaction marks a significant milestone in comprehending the intricate interrelations between humans and their surrounding environment. Nevertheless, previous optimization methods often struggle to achieve physically plausible reconstruction results due to the…

Cited by 0SourcePDFScholar
2025

Subspace Constraint and Contribution Estimation for Heterogeneous Federated Learning

CVPR 2025poster

Heterogeneous Federated Learning (HFL) has received widespread attention due to its adaptability to different models and data. The HFL approach utilizing auxiliary models for knowledge transfer enhances flexibility. However, existing frameworks face the challenges of aggregation bias and local over…

2025

Understanding Neural Networks in Profiled Side-Channel Analysis

ICASSP 2025accepted

Side-channel analysis (SCA) capitalizes on unintentionally leaked information to extract sensitive data from cryptographic systems. Over recent years, deep learning has shown effectiveness in analyzing the diverse forms of SCA signals. However, due to the absence of a comprehensive understanding, co…

Cited by 0SourceScholar
2024

Benchmarking Fish Dataset and Evaluation Metric in Keypoint Detection - Towards Precise Fish Morphological Assessment in Aquaculture Breeding

IJCAI 2024poster

Accurate phenotypic analysis in aquaculture breeding necessitates the quantification of subtle morphological phenotypes. Existing datasets suffer from limitations such as small scale, limited species coverage, and inadequate annotation of keypoints for measuring refined and complex morphological phe…

2024

DPMesh: Exploiting Diffusion Prior for Occluded Human Mesh Recovery

CVPR 2024poster

The recovery of occluded human meshes poses challenges for current methods due to the difficulty in extracting effective image features under severe occlusion. In this paper we introduce DPMesh an innovative framework for occluded human mesh recovery that capitalizes on the profound knowledge about…

2024

Revealing Hierarchical Structure of Leaf Venations in Plant Science via Label-Efficient Segmentation: Dataset and Method

IJCAI 2024poster

Hierarchical leaf vein segmentation is a crucial but under-explored task in agricultural sciences, where analysis of the hierarchical structure of plant leaf venation can contribute to plant breeding. While current segmentation techniques rely on data-driven models, there is no publicly available da…

2024

Waxing-and-Waning: a Generic Similarity-based Framework for Efficient Self-Supervised Learning

ICLR 2024poster

Deep Neural Networks (DNNs), essential for diverse applications such as visual recognition and eldercare, often require a large amount of labeled data for training, making widespread deployment of DNNs a challenging task. Self-supervised learning (SSL) emerges as a promising approach, which leverage…

Cited by 5SourcePDFScholar
2023

Clustering-Based Supervised Contrastive Learning for Identifying Risk Items on Heterogeneous Graph

ICASSP 2023accepted

Risk item identification is vital for protecting the health of ecommerce trades. Existing solutions prefer to model structure information besides item attributes and optimize parameters in cross-entropy (CE) manners. However, the few labeled and imbalanced supervision in real-world scenarios usually…

Cited by 0SourceScholar
2023

Feature Modulation Transformer: Cross-Refinement of Global Representation via High-Frequency Prior for Image Super-Resolution

ICCV 2023poster

Transformer-based methods have exhibited remarkable potential in single image super-resolution (SISR) by effectively extracting long-range dependencies. However, most of the current research in this area has prioritized the design of transformer blocks to capture global information, while overlookin…

Cited by 79PDFcodeScholar
2022

From Timing Variations to Performance Degradation: Understanding and Mitigating the Impact of Software Execution Timing in SLAM

IROS 2022poster

Timing is an important property for robotic systems that continuously interact with our physical world. Variation in program execution time caused by limited computational resources or system resource contention can lead to significant impact on algorithmic result accuracy. Even though recent work h…

Cited by 16SourceScholar