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๐Ÿ” f. hoffmann ๐Ÿ“‚ Engineering
Showing 629 results for "f. hoffmann" in Engineering
Engineering Preprint PDF DOI

Hierarchical Federated Graph Attention Networks for Scalable and Resilient UAV Collision Avoidance

Rathin Chandra Shit, Sharmila Subudhi ยท 2025

The real-time performance, adversarial resiliency, and privacy preservation are the most important metrics that need to be balanced to practice collision avoidance in large-scale multi-UAV (Unmanned Aโ€ฆ

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Engineering Preprint PDF DOI

Integrated 4D/5D Digital-Twin Framework for Cost Estimation and Probabilistic Schedule Control: A Texas Mid-Rise Case Study

Atena Khoshkonesh, Mohsen Mohammadagha, Navid Ebrahimi ยท 2025

Persistent cost and schedule overruns in U.S. building projects expose limitations of conventional, document-based estimating and deterministic Critical Path Method (CPM) scheduling, which remain inflโ€ฆ

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Engineering Preprint PDF DOI

Evaluating Video Quality Metrics for Neural and Traditional Codecs using 4K/UHD-1 Videos

Benjamin Herb, Rakesh Rao Ramachandra Rao, Steve Goring, Alexander Raake ยท 2025

With neural video codecs (NVCs) emerging as promising alternatives for traditional compression methods, it is increasingly important to determine whether existing quality metrics remain valid for evalโ€ฆ

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Engineering Preprint PDF DOI

Safety Margins of Inverse Optimal ISSf Controllers

Ziliang Lyu, Yiguang Hong, Lihua Xie, Miroslav Krstic ยท 2025

We investigate the gain margin of a general nonlinear system under an inverse optimal input-to-state safe (ISSf) controller of the form u=u0(x)+u*(x,u0), where u0 is the nominal control and u* is the โ€ฆ

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Engineering Preprint PDF DOI

More on Boundary Behavior of Univalent Harmonic Mappings

Gebreslassie atsbha weldegebrial, hunduma legesse geleta ยท 2025

Many authors have examined various boundary behaviors of injective harmonic mappings in the open unit disk. Building on Laugesen's work, Bshouty and others explored the boundary behavior of harmonic mโ€ฆ

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Engineering Preprint PDF DOI

GRIP: A Unified Framework for Grid-Based Relay and Co-Occurrence-Aware Planning in Dynamic Environments

Ahmed Alanazi, Duy Ho, Yugyung Lee ยท 2025

Robots navigating dynamic, cluttered, and semantically complex environments must integrate perception, symbolic reasoning, and spatial planning to generalize across diverse layouts and object categoriโ€ฆ

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Engineering Preprint PDF DOI

Towards Reliable Emergency Wireless Communications over SAGINs: A Composite Fading and QoS-Centric Perspective

Yinong Chen, Wenchi Cheng, Jingqing Wang, Xiao Zheng, Jiangzhou Wang ยท 2025

In emergency wireless communications (EWC) scenarios, ensuring reliable, flexible, and high-rate transmission while simultaneously maintaining seamless coverage and rapid response capabilities presentโ€ฆ

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Engineering Preprint PDF DOI

Code Smell Detection via Pearson Correlation and ML Hyperparameter Optimization

Moinuddin Muhammad Imtiaz Bhuiyan, Kazi Ekramul Hoque, Rakibul Islam, Md. Mahbubur Rahman Tusher, Najmul Hassan, Yoichi Tomioka, Satoshi Nishimura, Jungpil Shin, Abu Saleh Musa Miah ยท 2025

This study addresses the challenge of detecting code smells in large-scale software systems using machine learning (ML). Traditional detection methods often suffer from low accuracy and poor generalizโ€ฆ

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Engineering Preprint PDF DOI

Investigation of Using Non-Contact Electrodes for Fetal ECG Monitoring

Tai Le, Hau Luu, Loan Pham-Nguyen, Hung Viet-Dao, Duc Nguyen Minh, Afshan B. Hameed, Hoang Nguyen, Liem Thanh Nguyen, Huy-Dung Han, Hung Cao ยท 2025

Regular physiological monitoring of maternal and fetal parameters is indispensable for ensuring safe outcomes during pregnancy and parturition. Fetal electrocardiogram (fECG) assessment is crucial to โ€ฆ

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Engineering Preprint PDF DOI

Real-time Velocity Profile Optimization for Time-Optimal Maneuvering with Generic Acceleration Constraints

Mattia Piazza, Mattia Piccinini, Sebastiano Taddei, Francesco Biral, Enrico Bertolazzi ยท 2025

The computation of time-optimal velocity profiles along prescribed paths, subject to generic acceleration constraints, is a crucial problem in robot trajectory planning, with particular relevance to aโ€ฆ

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Engineering Preprint PDF DOI

Real-Time Power electronics Control and Monitoring with TI F28379D DSC and GUI Composer

Ilyas Bennia, Lotfi Baghli, Ehsan Jamshidpour, Abdelkader Mechernene, Jean-Philippe Martin, Driss Yousfi ยท 2025

This paper details the implementation and experimental validation of a real-time control system for a three-phase induction motor using the Texas Instruments TMS320F28379D microcontroller. The system โ€ฆ

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Engineering Preprint PDF DOI

S$^3$F-Net: A Multi-Modal Approach to Medical Image Classification via Spatial-Spectral Summarizer Fusion Network

Md. Saiful Bari Siddiqui, Mohammed Imamul Hassan Bhuiyan ยท 2025

Convolutional Neural Networks have become a cornerstone of medical image analysis due to their proficiency in learning hierarchical spatial features. However, this focus on a single domain is inefficiโ€ฆ

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Engineering Preprint PDF DOI

A Crime/S.I.R. optimal control problem

Mariana Alvarez, Alexander Alegria, Andres Rivera, Sebastian Pedersen ยท 2025

This paper presents and discusses a mathematical model inspired by control theory to derive optimal public policies for minimizing costs associated with the reduction and control of criminal activity โ€ฆ

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Engineering Preprint PDF DOI

On the Performance of THz Wireless Systems over $\alpha$-$\mathcal{F}$ Channels with Beam Misalignment and Mobility

Wamberto J. L. Queiroz, Hugerles S. Silva, Higo T. P. Silva, Alexandros-Apostolos A. Boulogeorgos ยท 2025

This paper investigates the performance of terahertz~(THz) wireless systems over the $\alpha$-$\mathcal{F}$ fading channels with beam misalignment and mobility. New expressions are derived for the proโ€ฆ

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Engineering Preprint PDF DOI

ManipForce: Force-Guided Policy Learning with Frequency-Aware Representation for Contact-Rich Manipulation

Geonhyup Lee, Yeongjin Lee, Kangmin Kim, Seongju Lee, Sangjun Noh, Seunghyeok Back, Kyoobin Lee ยท 2025

Contact-rich manipulation tasks such as precision assembly require precise control of interaction forces, yet existing imitation learning methods rely mainly on vision-only demonstrations. We propose โ€ฆ

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Engineering Preprint PDF DOI

Rethinking the joint estimation of magnitude and phase for time-frequency domain neural vocoders

Lingling Dai, Andong Li, Tong Lei, Meng Yu, Xiaodong Li, Chengshi Zheng ยท 2025

Time-frequency (T-F) domain-based neural vocoders have shown promising results in synthesizing high-fidelity audio. Nevertheless, it remains unclear on the mechanism of effectively predicting magnitudโ€ฆ

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Engineering Preprint PDF DOI

A model free approach for continuous-time optimal tracking control with unknown user-define cost and constrained control input via advantage function

Duc Cuong Nguyen, Quang Huy Dao, Phuong Nam Dao ยท 2025

This paper presents a pioneering approach to solving the linear quadratic regulation (LQR) and linear quadratic tracking (LQT) problems with constrained inputs using a novel off-policy continuous-timeโ€ฆ

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Engineering Preprint PDF DOI

DPC-QA Net: A No-Reference Dual-Stream Perceptual and Cellular Quality Assessment Network for Histopathology Images

Qijun Yang, Boyang Wang, Hujun Yin ยท 2025

Reliable whole slide imaging (WSI) hinges on image quality,yet staining artefacts, defocus, and cellular degradations are common. We present DPC-QA Net, a no-reference dual-stream network that couplesโ€ฆ

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Engineering Preprint PDF DOI

FlightDiffusion: Revolutionising Autonomous Drone Training with Diffusion Models Generating FPV Video

Valerii Serpiva, Artem Lykov, Faryal Batool, Vladislav Kozlovskiy, Miguel Altamirano Cabrera, Dzmitry Tsetserukou ยท 2025

We present FlightDiffusion, a diffusion-model-based framework for training autonomous drones from first-person view (FPV) video. Our model generates realistic video sequences from a single frame, enriโ€ฆ

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Engineering Preprint PDF DOI

Deep Unrolling of Sparsity-Induced RDO for 3D Point Cloud Attribute Coding

Tam Thuc Do, Philip A. Chou, Gene Cheung ยท 2025

Given encoded 3D point cloud geometry available at the decoder, we study the problem of lossy attribute compression in a multi-resolution B-spline projection framework. A target continuous 3D attributโ€ฆ

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