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Wenxuan Li

15 accepted papers

2026

3D-ANC: Adaptive Neural Collapse for Robust 3D Point Cloud Recognition

AAAI 2026technical

Deep neural networks have recently achieved notable progress in 3D point cloud recognition, yet their vulnerability to adversarial perturbations poses critical security challenges in practical deployments. Conventional defense mechanisms struggle to address the evolving landscape of multifaceted att

Cited by 0SourcePDFScholar
2025

Co-Fix3D: Enhancing 3D Object Detection With Collaborative Refinement

RA-L 2025

3D object detection in driving scenarios is particularly challenging due to factors such as sensor noise, occlusions, and the inherent sparsity of LiDAR point clouds, which can lead to the loss or incompleteness of key features, in turn affecting perception performance. To address these challenges,

Cited by 0SourcecodeScholar
2025

PHMamba: Preheating State Space Models with Context-Augmented Features for Medical Image Segmentation

ICASSP 2025accepted

The recent Mamba model has demonstrated the competitive potential of State Space Models (SSMs) on various image benchmarks, particularly in modeling long-range sequences. However, most of the improvements in Mamba methods focus on scanning strategies, and lack an effective means of aggregating conte…

Cited by 0SourceScholar
2025

PIN-WM: Learning Physics-INformed World Models for Non-Prehensile Manipulation

RSS 2025poster

Non-prehensile manipulation, such as pushing and poking, involves moving objects without grasping, offering cost-effective solutions in constrained environments. However, it presents challenges due to sensitivity to complex physics like friction and restitution. Existing approaches either rely on ex…

Cited by 1PDFScholar
2025

PanTS: The Pancreatic Tumor Segmentation Dataset

NeurIPS 2025poster

PanTS is a large-scale, multi-institutional dataset curated to advance research in pancreatic CT analysis. It contains 36,390 CT scans from 145 medical centers, with expert-validated, voxel-wise annotations of over 993,000 anatomical structures, covering pancreatic tumors, pancreas head, body, and t…

Cited by 0SourceScholar
2025

RadGPT: Constructing 3D Image-Text Tumor Datasets

ICCV 2025poster

Cancers identified in CT scans are usually accompanied by detailed radiology reports, but publicly available CT datasets often lack these essential reports. This absence limits their usefulness for developing accurate report generation AI. To address this gap, we present AbdomenAtlas 3.0, the first…

2025

Scaling Tumor Segmentation: Best Lessons from Real and Synthetic Data

ICCV 2025poster

AI for tumor segmentation is limited by the lack of large, voxel-wise annotated datasets, which are hard to create and require medical experts. In our proprietary JHH dataset of 3,000 annotated pancreatic tumor scans, we found that AI performance stopped improving after 1,500 scans. With synthetic d…

2025

Vibration-Aware Lidar-Inertial Odometry Based on Point-Wise Post-Undistortion Uncertainty

RA-L 2025

High-speed ground robots moving on unstructured terrains generate intense high-frequency vibrations, leading to LiDAR scan distortions in Lidar-inertial odometry (LIO). Accurate and efficient undistortion is extremely challenging due to (1) rapid and non-smooth state changes during intense vibration

Cited by 1SourceScholar
2024

A Semantic Space is Worth 256 Language Descriptions: Make Stronger Segmentation Models with Descriptive Properties

ECCV 2024poster

"We introduce ProLab, a novel approach using property-level label space for creating strong interpretable segmentation models. Instead of relying solely on category-specific annotations, ProLab uses descriptive properties grounded in common sense knowledge for supervising segmentation models. It is…

2024

SIMFALL: A Data Generator for RF-Based Fall Detection

ICASSP 2024accepted

Fall detection using Radio Frequency (RF) signals with deep learning has exhibited significant promise in recent years. However, the costly collection of RF data with falls has hampered the performance of existing methods. While there has been approaches which can generate RF signals using various s…

Cited by 0SourceScholar
2024

Touchstone Benchmark: Are We on the Right Way for Evaluating AI Algorithms for Medical Segmentation?

NeurIPS 2024poster

How can we test AI performance? This question seems trivial, but it isn't. Standard benchmarks often have problems such as in-distribution and small-size test sets, oversimplified metrics, unfair comparisons, and short-term outcome pressure. As a consequence, good performance on standard benchmarks…

2023

CAP: Robust Point Cloud Classification via Semantic and Structural Modeling

CVPR 2023poster

Recently, deep neural networks have shown great success on 3D point cloud classification tasks, which simultaneously raises the concern of adversarial attacks that cause severe damage to real-world applications. Moreover, defending against adversarial examples in point cloud data is extremely diffic…

Cited by 1SourcePDFScholar
2023

R-LIOM: Reflectivity-Aware LiDAR-Inertial Odometry and Mapping

RA-L 2023

With the advent of solid-state LiDAR, a series of related studies have boosted the development of Simultaneous Localization and Mapping (SLAM). However, existing methods cannot work well in indoor environments. In the letter, the reflectivity measurement of the solid-state LiDAR is exploited to impr

Cited by 9SourceScholar
2022

Real-Time Fall Detection Using Mmwave Radar

ICASSP 2022accepted

Fall is a severe health threat for elders’ health care. While existing systems could achieve promising performance under specific scenarios, the required computing resources are usually not affordable, which is not applicable for real-time detection. In this paper, we propose mmFall, a real time fal…

Cited by 0SourceScholar