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๐Ÿ” osman hasan ๐Ÿ“‚ Engineering
Showing 21 results for "osman hasan" in Engineering
Engineering Preprint PDF DOI

osmAG-Nav: A Hierarchical Semantic Topometric Navigation Stack for Robust Lifelong Indoor Autonomy

Yongqi Zhang, Jiajie Zhang, Chengqian Li, Fujing Xie, Soren Schwertfeger ยท 2026

The deployment of mobile robots in large-scale, multi-floor environments demands navigation systems that achieve spatial scalability without compromising local kinematic precision. Traditional navigatโ€ฆ

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Engineering Preprint PDF DOI

HaltNav: Reactive Visual Halting over Lightweight Topological Priors for Robust Vision-Language Navigation

Zihui Yu, Pingcong Li, Bichi Zhang, Soren Schwertfeger ยท 2026

Vision-and-Language Navigation (VLN) is shifting from rigid, step-by-step instruction following toward open-vocabulary, goal-oriented autonomy. Achieving this transition without exhaustive routing proโ€ฆ

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Engineering Preprint PDF DOI

Wind Speed Weibull Model Identification in Oman, and Computed Normalized Annual Energy Production (NAEP) From Wind Turbines Based on Data From Weather Stations

Osama A. Marzouk ยท 2025

Using observation records of wind speeds from weather stations in the Sultanate of Oman between 2000 and 2023, we compute estimators of the two Weibull distribution parameters (namely, the Weibull disโ€ฆ

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Engineering Preprint PDF DOI

WiFi-based Global Localization in Large-Scale Environments Leveraging Structural Priors from osmAG

Xu Ma, Jiajie Zhang, Fujing Xie, Soren Schwertfeger ยท 2025

Global localization is essential for autonomous robotics, especially in indoor environments where the GPS signal is denied. We propose a novel WiFi-based localization framework that leverages ubiquitoโ€ฆ

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Engineering Preprint PDF DOI

osmAG-LLM: Zero-Shot Open-Vocabulary Object Navigation via Semantic Maps and Large Language Models Reasoning

Fujing Xie, Soren Schwertfeger, Hermann Blum ยท 2025

Recent open-vocabulary robot mapping methods enrich dense geometric maps with pre-trained visual-language features, achieving a high level of detail and guiding robots to find objects specified by opeโ€ฆ

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Engineering Preprint PDF DOI

Generation of Indoor Open Street Maps for Robot Navigation from CAD Files

Jiajie Zhang, Shenrui Wu, Xu Ma, Soren Schwertfeger ยท 2025

The deployment of autonomous mobile robots is predicated on the availability of environmental maps, yet conventional generation via SLAM (Simultaneous Localization and Mapping) suffers from significanโ€ฆ

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Engineering Preprint PDF DOI

Attention-Based Convolutional Neural Network Model for Human Lower Limb Activity Recognition using sEMG

Mojtaba Mollahossein, Farshad Haghgoo Daryakenari, Mohammad Hossein Rohban, Gholamreza Vossoughi ยท 2025

Accurate classification of lower limb movements using surface electromyography (sEMG) signals plays a crucial role in assistive robotics and rehabilitation systems. In this study, we present a lightweโ€ฆ

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Engineering Preprint PDF DOI

PC-SRGAN: Physically Consistent Super-Resolution Generative Adversarial Network for General Transient Simulations

Md Rakibul Hasan, Pouria Behnoudfar, Dan MacKinlay, Thomas Poulet ยท 2025

Machine Learning, particularly Generative Adversarial Networks (GANs), has revolutionised Super-Resolution (SR). However, generated images often lack physical meaningfulness, which is essential for scโ€ฆ

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Engineering Preprint PDF DOI

Proposed 2MW Wind Turbine for Use in the Governorate of Dhofar at the Sultanate of Oman

Osama Ahmed Marzouk, Omar Rashid Hamdan Al Badi, Maadh Hamed Salman Al Rashdi, Hamed Mohammed Eid Al Balushi ยท 2025

In this work, we propose a preliminary design of a horizontal-axis wind turbine (HAWT) as a candidate for the Dhofar Wind Farm project, in the southern Omani Governorate "Dhofar", at the southwest parโ€ฆ

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Engineering Preprint PDF DOI

HASN: Hybrid Attention Separable Network for Efficient Image Super-resolution

Weifeng Cao, Xiaoyan Lei, Jun Shi, Wanyong Liang, Jie Liu, Zongfei Bai ยท 2024

Recently, lightweight methods for single image super-resolution (SISR) have gained significant popularity and achieved impressive performance due to limited hardware resources. These methods demonstraโ€ฆ

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Engineering Preprint PDF DOI

Intelligent LiDAR Navigation: Leveraging External Information and Semantic Maps with LLM as Copilot

Fujing Xie, Jiajie Zhang, Soren Schwertfeger ยท 2024

Traditional robot navigation systems primarily utilize occupancy grid maps and laser-based sensing technologies, as demonstrated by the popular move_base package in ROS. Unlike robots, humans navigateโ€ฆ

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Engineering Preprint PDF DOI

MADE-for-ASD: A Multi-Atlas Deep Ensemble Network for Diagnosing Autism Spectrum Disorder

Xuehan Liu, Md Rakibul Hasan, Tom Gedeon, Md Zakir Hossain ยท 2024

In response to the global need for efficient early diagnosis of Autism Spectrum Disorder (ASD), this paper bridges the gap between traditional, time-consuming diagnostic methods and potential automateโ€ฆ

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Engineering Preprint PDF DOI

Hybrid attention structure preserving network for reconstruction of under-sampled OCT images

Zezhao Guo, Zhanfang Zhao ยท 2024

Optical coherence tomography (OCT) is a non-invasive, high-resolution imaging technology that provides cross-sectional images of tissues. Dense acquisition of A-scans along the fast axis is required tโ€ฆ

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Engineering Preprint PDF DOI

HAGAN: Hybrid Augmented Generative Adversarial Network for Medical Image Synthesis

Zhihan Ju, Wanting Zhou, Longteng Kong, Yu Chen, Yi Li, Zhenan Sun, Caifeng Shan ยท 2024

Medical Image Synthesis (MIS) plays an important role in the intelligent medical field, which greatly saves the economic and time costs of medical diagnosis. However, due to the complexity of medical โ€ฆ

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Engineering Preprint PDF DOI

Empowering Robot Path Planning with Large Language Models: osmAG Map Topology & Hierarchy Comprehension with LLMs

Fujing Xie, Soren Schwertfeger ยท 2024

Large Language Models (LLMs) have demonstrated great potential in robotic applications by providing essential general knowledge. Mobile robots rely on map comprehension for tasks like localization andโ€ฆ

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Engineering Preprint PDF DOI

Multi-objective Non-intrusive Hearing-aid Speech Assessment Model

Hsin-Tien Chiang, Szu-Wei Fu, Hsin-Min Wang, Yu Tsao, John H. L. Hansen ยท 2023

Without the need for a clean reference, non-intrusive speech assessment methods have caught great attention for objective evaluations. While deep learning models have been used to develop non-intrusivโ€ฆ

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Engineering Preprint PDF DOI

osmAG: Hierarchical Semantic Topometric Area Graph Maps in the OSM Format for Mobile Robotics

Delin Feng, Chengqian Li, Yongqi Zhang, Chen Yu, Soeren Schwertfeger ยท 2023

Maps are essential to mobile robotics tasks like localization and planning. We propose the open street map (osm) XML based Area Graph file format to store hierarchical, topometric semantic multi-floorโ€ฆ

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Engineering Preprint PDF DOI

Circumvent spherical Bessel function nulls for open sphere microphone arrays with physics informed neural network

Fei Ma, Thushara D. Abhayapala, Prasanga N. Samarasinghe ยท 2023

Open sphere microphone arrays (OSMAs) are simple to design and do not introduce scattering fields, and thus can be advantageous than other arrays for implementing spatial acoustic algorithms under sphโ€ฆ

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Engineering Preprint PDF DOI

Multiscale Autoencoder with Structural-Functional Attention Network for Alzheimer's Disease Prediction

Yongcheng Zong, Changhong Jing, Qiankun Zuo ยท 2022

The application of machine learning algorithms to the diagnosis and analysis of Alzheimer's disease (AD) from multimodal neuroimaging data is a current research hotspot. It remains a formidable challeโ€ฆ

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Engineering Preprint PDF DOI

HASA-net: A non-intrusive hearing-aid speech assessment network

Hsin-Tien Chiang, Yi-Chiao Wu, Cheng Yu, Tomoki Toda, Hsin-Min Wang, Yih-Chun Hu, Yu Tsao ยท 2021

Without the need of a clean reference, non-intrusive speech assessment methods have caught great attention for objective evaluations. Recently, deep neural network (DNN) models have been applied to buโ€ฆ

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