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๐Ÿ” li niu ๐Ÿ“‚ Engineering
Showing 342 results for "li niu" in Engineering
Engineering Preprint PDF DOI

Topology-Driven Fusion of nnU-Net and MedNeXt for Accurate Brain Tumor Segmentation on Sub-Saharan Africa Dataset

Prabin Bohara, Pralhad Kumar Shrestha, Arpan Rai, Usha Poudel Lamgade, Confidence Raymond, Dong Zhang, Aondona Lorumbu, Craig Jones, Mahesh Shakya, Bishesh Khanal, Pratibha Kulung ยท 2026

Accurate automatic brain tumor segmentation in Low and Middle-Income (LMIC) countries is challenging due to the lack of defined national imaging protocols, diverse imaging data, extensive use of low-fโ€ฆ

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Engineering Preprint PDF DOI

Probabilistic Feature Imputation and Uncertainty-Aware Multimodal Federated Aggregation

Nafis Fuad Shahid, Maroof Ahmed, Md Akib Haider, Saidur Rahman Sagor, Aashnan Rahman, Md Azam Hossain ยท 2026

Multimodal federated learning enables privacy-preserving collaborative model training across healthcare institutions. However, a fundamental challenge arises from modality heterogeneity: many clinicalโ€ฆ

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Engineering Preprint PDF DOI

Simple but Stable, Fast and Safe: Achieve End-to-end Control by High-Fidelity Differentiable Simulation

Fanxing Li, Shengyang Wang, Yuxiang Huang, Fangyu Sun, Shuyu Wu, Yufei Yan, Danping Zou, Wenxian Yu ยท 2026

Obstacle avoidance is a fundamental vision-based task essential for enabling quadrotors to perform advanced applications. When planning the trajectory, existing approaches both on optimization and leaโ€ฆ

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Engineering Preprint PDF DOI

Synchronous Observer Design for Landmark-Inertial SLAM with Magnetometer and Intermittent GNSS Measurements

Arkadeep Saha, Pieter van Goor, Ravi Banavar ยท 2026

In Landmark-Inertial Simultaneous Localisation and Mapping (LI-SLAM), the positions of landmarks in the environment and the robot's pose relative to these landmarks are estimated using landmark positiโ€ฆ

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Engineering Preprint PDF DOI

Location-Invariant Assessment of Flexibility Potential under Distribution System Reconfiguration

Anton Hinneck ยท 2026

The growing integration of renewable and decentralized generation increases the need for flexibility in distribution systems. This flexibility, typically represented in a PQ capability curve, is constโ€ฆ

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Engineering Preprint PDF DOI

Feature-level Site Leakage Reduction for Cross-Hospital Chest X-ray Transfer via Self-Supervised Learning

Ayoub Louaye Bouaziz, Lokmane Chebouba ยท 2026

Cross-hospital failure in chest X-ray models is often attributed to domain shift, yet most work assumes invariance without measuring it. This paper studies how to measure site leakage directly and howโ€ฆ

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Engineering Preprint PDF DOI

Aging States Estimation and Monitoring Strategies of Li-Ion Batteries Using Incremental Capacity Analysis and Gaussian Process Regression

Moritz Landwehr, Patrick Hoher, Johannes Reuter ยท 2026

Existing approaches for battery health forecasting often rely on extensive cycling histories and continuously monitored cells. In contrast, many real-world scenarios provide only sparse information, eโ€ฆ

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Engineering Preprint PDF DOI

Integration of local and global surrogates for failure probability estimation

Audrey Gaymann, Juan M. Cardenas, Sung Min Jo, Marco Panesi, Alireza Doostan ยท 2026

This paper presents the development of an algorithm, termed the Global-Local Hybrid Surrogate (GLHS), designed to efficiently compute the probability of rare failure events in complex systems. The priโ€ฆ

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Engineering Preprint PDF DOI

Human Presence Detection via Wi-Fi Range-Filtered Doppler Spectrum on Commodity Laptops

Jessica Sanson, Rahul C. Shah, Valerio Frascolla ยท 2026

Human Presence Detection (HPD) is key to enable intelligent power management and security features in everyday devices. In this paper we propose the first HPD solution that leverages monostatic Wi-Fi โ€ฆ

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Engineering Preprint PDF DOI

Language-Invariant Multilingual Speaker Verification for the TidyVoice 2026 Challenge

Ze Li, Xiaoxiao Miao, Juan Liu, Ming Li ยท 2026

Multilingual speaker verification (SV) remains challenging due to limited cross-lingual data and language-dependent information in speaker embeddings. This paper presents a language-invariant multilinโ€ฆ

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Engineering Preprint PDF DOI

LiveSense: A Real-Time Wi-Fi Sensing Platform for Range-Doppler on COTS Laptop

Jessica Sanson, Rahul C. Shah, Maximilian Pinaroc, Cagri Tanriover, Valerio Frascolla ยท 2026

We present LiveSense - a cross-platform that transforms a commercial off-the-shelf (COTS) Wi-Fi Network Interface Card (NIC) on a laptop into a centimeter-level Range-Doppler sensor while preserving sโ€ฆ

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Engineering Preprint PDF DOI

DLIOS: An LLM-Augmented Real-Time Multi-Modal Interactive Enhancement Overlay System for Douyin Live Streaming

Shuide Wen, Sungil Seok, Beier Ku, Richee Li, Yubin He, Bowen Qu, Yang Yang, Ping Su, Can Jiao ยท 2026

We present DLIOS, a Large Language Model (LLM)-augmented real-time multi-modal interactive enhancement overlay system for Douyin (TikTok) live streaming. DLIOS employs a three-layer transparent windowโ€ฆ

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Engineering Preprint PDF DOI

PINEAPPLE: Physics-Informed Neuro-Evolution Algorithm for Prognostic Parameter Inference in Lithium-Ion Battery Electrodes

Karkulali Pugalenthi, Jian Cheng Wong, Qizheng Yang, Pao-Hsiung Chiu, My Ha Dao, Nagarajan Raghavan, Chinchun Ooi ยท 2026

Accurate, real-time, yet non-destructive estimation of internal states in lithium-ion batteries is critical for predicting degradation, optimizing usage strategies, and extending operational lifespan.โ€ฆ

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Engineering Preprint PDF DOI

Time-Certified and Efficient NMPC via Koopman Operator

Liang Wu, Yunhong Che, Bo Yang, Kangyu Lin, Jan Drgona ยท 2026

Certifying and accelerating execution times of nonlinear model predictive control (NMPC) implementations are two core requirements. Execution-time certificate guarantees that the NMPC controller returโ€ฆ

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Engineering Preprint PDF DOI

AC-MASAC: An Attentive Curriculum Learning Framework for Heterogeneous UAV Swarm Coordination

Wanhao Liu, Junhong Dai, Yixuan Zhang, Shengyun Yin, Panshuo Li ยท 2026

Cooperative path planning for heterogeneous UAV swarms poses significant challenges for Multi-Agent Reinforcement Learning (MARL), particularly in handling asymmetric inter-agent dependencies and addrโ€ฆ

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Engineering Preprint PDF DOI

Impact of Physics-Informed Features on Neural Network Complexity for Li-ion Battery Voltage Prediction in Electric Vertical Takeoff and Landing Aircrafts

Eymen Ipek, Mario Hirz ยท 2026

The electrification of vertical takeoff and landing aircraft demands high-fidelity battery management systems capable of predicting voltage response under aggressive power dynamics. While data-driven โ€ฆ

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Engineering Preprint PDF DOI

Training Beyond Convergence: Grokking nnU-Net for Glioma Segmentation in Sub-Saharan MRI

Mohtady Barakat, Omar Salah, Ahmed Yasser, Mostafa Ahmed, Zahirul Arief, Waleed Khan, Dong Zhang, Aondona Iorumbur, Confidence Raymond, Mohannad Barakat, Noha Magdy ยท 2026

Gliomas are placing an increasingly clinical burden on Sub-Saharan Africa (SSA). In the region, the median survival for patients remains under two years, and access to diagnostic imaging is extremely โ€ฆ

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Engineering Preprint PDF DOI

Data-driven nonparametric Li-ion battery ageing model aiming at learning from real operation data -- Part B: Cycling operation

Lucu M., Martinez-Laserna E., Gandiaga I., Liu K., Camblong H., Widanage W.D., Marco J ยท 2026

Conventional Li-ion battery ageing models, such as electrochemical, semi-empirical and empirical models, require a significant amount of time and experimental resources to provide accurate predictionsโ€ฆ

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Engineering Preprint PDF DOI

Data-driven nonparametric Li-ion battery ageing model aiming at learning from real operation data -- Part A: Storage operation

Lucu M., Martinez-Laserna E., Gandiaga I., Liu K., Camblong H., Widanage W.D., Marco J ยท 2026

Conventional Li-ion battery ageing models, such as electrochemical, semi-empirical and empirical models, require a significant amount of time and experimental resources to provide accurate predictionsโ€ฆ

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Engineering Preprint PDF DOI

HyMGP: A Customized MILP-Based Tool for Techno-Economic Planning of Islanded Microgrids

Andres Intriago, Rongxing Hu, Nabil Mohammed, S. Gokul Krishnan, Konstantinos Kotsovos, Issam Gereige, Nesren Attiah, Ali Basaheeh, Sarah Aqeel, Hamad A. Saiari, Shehab Ahmed, Charalambos Konstantinou ยท 2026

This paper presents a customized microgrid planning algorithm and tool, HyMGP, for remote sites in arid regions, which is formulated as a Mixed Integer Linear Programming (MILP) problem. HyMGP is compโ€ฆ

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