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๐Ÿ” bowen xu ๐Ÿ“‚ Engineering
Showing 56 results for "bowen xu" in Engineering
Engineering Preprint PDF DOI

Design, Modelling and Experimental Evaluation of a Tendon-driven Wrist Abduction-Adduction Mechanism for an upper limb exoskeleton

Juwairiya S. Khan, Mostafa Mohammadi, John Rasmussen, Lotte N.S. Andreasen Struijk ยท 2026

Wrist exoskeletons play a vital role in rehabilitation and assistive applications, yet conventional actuation mechanisms such as electric motors or pneumatics often introduce undesirable weight, frictโ€ฆ

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Engineering Preprint PDF DOI

A Two-Stage Deep Learning Framework for Segmentation of Ten Gastrointestinal Organs from Coronal MR Enterography

Ashiqur Rahman, Md. Abu Sayed, Md Sharjis Ibne Wadud, Md. Abu Asad Al-Hafiz, Adam Mushtak, Muhammad E. H. Chowdhury ยท 2026

Accurate segmentation of gastrointestinal (GI) organs in magnetic resonance enterography (MRE) is critical for diagnosing inflammatory bowel disease (IBD). However, anatomical variability, class imbalโ€ฆ

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Engineering Preprint PDF DOI

An Open-Source Robotics Research Platform for Autonomous Laparoscopic Surgery

Ariel Rodriguez, Lorenzo Mazza, Martin Lelis, Rayan Younis, Sebastian Bodenstedt, Martin Wagner, Stefanie Speidel ยท 2026

Autonomous robot-assisted surgery demands reliable, high-precision platforms that strictly adhere to the safety and kinematic constraints of minimally invasive procedures. Existing research platforms,โ€ฆ

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Engineering Preprint PDF DOI

LAR-MoE: Latent-Aligned Routing for Mixture of Experts in Robotic Imitation Learning

Ariel Rodriguez, Chenpan Li, Lorenzo Mazza, Rayan Younis, Ortrun Hellig, Sebastian Bodenstedt, Martin Wagner, Stefanie Speidel ยท 2026

Imitation learning enables robots to acquire manipulation skills from demonstrations, yet deploying a policy across tasks with heterogeneous dynamics remains challenging, as models tend to average oveโ€ฆ

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Engineering Preprint PDF DOI

Beyond Calibration: Confounding Pathology Limits Foundation Model Specificity in Abdominal Trauma CT

Jineel H Raythatha, Shuchang Ye, Jeremy Hsu, Jinman Kim ยท 2026

Purpose: Translating foundation models into clinical practice requires evaluating their performance under compound distribution shift, where severe class imbalance coexists with heterogeneous imaging โ€ฆ

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Engineering Preprint PDF DOI

MoE-ACT: Improving Surgical Imitation Learning Policies through Supervised Mixture-of-Experts

Lorenzo Mazza, Ariel Rodriguez, Rayan Younis, Martin Lelis, Ortrun Hellig, Chenpan Li, Sebastian Bodenstedt, Martin Wagner, Stefanie Speidel ยท 2026

Imitation learning has achieved remarkable success in robotic manipulation, yet its application to surgical robotics remains challenging due to data scarcity, constrained workspaces, and the need for โ€ฆ

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Engineering Preprint PDF DOI

Antagonistic Bowden-Cable Actuation of a Lightweight Robotic Hand: Toward Dexterous Manipulation for Payload Constrained Humanoids

Sungjae Min, Hyungjoo Kim, David Hyunchul Shim ยท 2025

Humanoid robots toward human-level dexterity require robotic hands capable of simultaneously providing high grasping force, rapid actuation speeds, multiple degrees of freedom, and lightweight structuโ€ฆ

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Engineering Preprint PDF DOI

CLIP Based Region-Aware Feature Fusion for Automated BBPS Scoring in Colonoscopy Images

Yujia Fu, Zhiyu Dong, Tianwen Qian, Chenye Zheng, Danian Ji, Linhai Zhuo ยท 2025

Accurate assessment of bowel cleanliness is essential for effective colonoscopy procedures. The Boston Bowel Preparation Scale (BBPS) offers a standardized scoring system but suffers from subjectivityโ€ฆ

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Engineering Preprint PDF DOI

Predicting ulcer in H&E images of inflammatory bowel disease using domain-knowledge-driven graph neural network

Ruiwen Ding, Lin Li, Rajath Soans, Tosha Shah, Radha Krishnan, Marc Alexander Sze, Sasha Lukyanov, Yash Deshpande, Antong Chen ยท 2025

Inflammatory bowel disease (IBD) involves chronic inflammation of the digestive tract, with treatment options often burdened by adverse effects. Identifying biomarkers for personalized treatment is crโ€ฆ

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Engineering Preprint PDF DOI

Intent-Aware MPC for Aircraft Detect-and-Avoid with Response Delay: A Comparative Study with ACAS Xu

Arash Bahari Kordabad, Arabinda Ghosh, Sybert Stroeve, Sadegh Soudjani ยท 2025

In this paper, we propose an intent-aware Model Predictive Control (MPC) approach for the remain-well-clear (RWC) functionality of a multi-agent aircraft detect-and-avoid (DAA) system and compare its โ€ฆ

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Engineering Preprint PDF DOI

AI-Empowered Catalyst Discovery: A Survey from Classical Machine Learning Approaches to Large Language Models

Yuanyuan Xu, Hanchen Wang, Wenjie Zhang, Lexing Xie, Yin Chen, Flora Salim, Ying Zhang, Justin Gooding, Toby Walsh ยท 2025

Catalysts are essential for accelerating chemical reactions and enhancing selectivity, which is crucial for the sustainable production of energy, materials, and bioactive compounds. Catalyst discoveryโ€ฆ

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Engineering Preprint PDF DOI

a2z-1 for Multi-Disease Detection in Abdomen-Pelvis CT: External Validation and Performance Analysis Across 21 Conditions

Pranav Rajpurkar, Julian N. Acosta, Siddhant Dogra, Jaehwan Jeong, Deepanshu Jindal, Michael Moritz, Samir Rajpurkar ยท 2024

We present a comprehensive evaluation of a2z-1, an artificial intelligence (AI) model designed to analyze abdomen-pelvis CT scans for 21 time-sensitive and actionable findings. Our study focuses on riโ€ฆ

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Engineering Preprint PDF DOI

Diagnosis and Severity Assessment of Ulcerative Colitis using Self Supervised Learning

Venkat Margapuri ยท 2024

Ulcerative Colitis (UC) is an incurable inflammatory bowel disease that leads to ulcers along the large intestine and rectum. The increase in the prevalence of UC coupled with gastrointestinal physiciโ€ฆ

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Engineering Preprint PDF DOI

TopoCellGen: Generating Histopathology Cell Topology with a Diffusion Model

Meilong Xu, Saumya Gupta, Xiaoling Hu, Chen Li, Shahira Abousamra, Dimitris Samaras, Prateek Prasanna, Chao Chen ยท 2024

Accurately modeling multi-class cell topology is crucial in digital pathology, as it provides critical insights into tissue structure and pathology. The synthetic generation of cell topology enables rโ€ฆ

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Engineering Preprint PDF DOI

Deep learning-based auto-contouring of organs/structures-at-risk for pediatric upper abdominal radiotherapy

Mianyong Ding, Matteo Maspero, Annemieke S Littooij, Martine van Grotel, Raquel Davila Fajardo, Max M van Noesel, Marry M van den Heuvel-Eibrink, Geert O Janssens ยท 2024

Purposes: This study aimed to develop a computed tomography (CT)-based multi-organ segmentation model for delineating organs-at-risk (OARs) in pediatric upper abdominal tumors and evaluate its robustnโ€ฆ

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Engineering Preprint PDF DOI

Med-TTT: Vision Test-Time Training model for Medical Image Segmentation

Jiashu Xu ยท 2024

Medical image segmentation plays a crucial role in clinical diagnosis and treatment planning. Although models based on convolutional neural networks (CNNs) and Transformers have achieved remarkable suโ€ฆ

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Engineering Preprint PDF DOI

Adaptable, shape-conforming robotic endoscope

Jiayang Du, Lin Cao, Sanja Dogramazi ยท 2024

This paper introduces a size-adaptable robotic endoscope design, which aims to improve the efficiency and comfort of colonoscopy. The robotic endoscope proposed in this paper combines the expansion meโ€ฆ

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Engineering Preprint PDF DOI

SkinFormer: Learning Statistical Texture Representation with Transformer for Skin Lesion Segmentation

Rongtao Xu, Changwei Wang, Jiguang Zhang, Shibiao Xu, Weiliang Meng, Xiaopeng Zhang ยท 2024

Accurate skin lesion segmentation from dermoscopic images is of great importance for skin cancer diagnosis. However, automatic segmentation of melanoma remains a challenging task because it is difficuโ€ฆ

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Engineering Preprint PDF DOI

Feelit: Combining Compliant Shape Displays with Vision-Based Tactile Sensors for Real-Time Teletaction

Oscar Yu, Yu She ยท 2024

Teletaction, the transmission of tactile feedback or touch, is a crucial aspect in the field of teleoperation. High-quality teletaction feedback allows users to remotely manipulate objects and increasโ€ฆ

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Engineering Preprint PDF DOI

Building an AI Support Tool for Real-time Ulcerative Colitis Diagnosis

Bj{o}rn Leth M{o}ller, Bobby Zhao Sheng Lo, Johan Burisch, Flemming Bendtsen, Ida Vind, Bulat Ibragimov, Christian Igel ยท 2024

Ulcerative Colitis (UC) is a chronic inflammatory bowel disease decreasing life quality through symptoms such as bloody diarrhoea and abdominal pain. Endoscopy is a cornerstone of diagnosis and monitoโ€ฆ

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