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🔍 lukas burgholzer 📂 Engineering
Showing 23 results for "lukas burgholzer" in Engineering
Engineering Preprint PDF DOI

Vision-Guided Optic Flow Navigation for Small Lunar Missions

Sean Cowan, Pietro Fanti, Leon B. S. Williams, Chit Hong Yam, Kaneyasu Asakuma, Yuichiro Nada, Dario Izzo · 2025

Private lunar missions are faced with the challenge of robust autonomous navigation while operating under stringent constraints on mass, power, and computational resources. This work proposes a motion…

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Engineering Preprint PDF DOI

Hybrid Vision Servoing with Depp Alignment and GRU-Based Occlusion Recovery

Jee Won Lee, Hansol Lim, Sooyeun Yang, Jongseong Brad Choi · 2025

Vision-based control systems, such as image-based visual servoing (IBVS), have been extensively explored for precise robot manipulation. A persistent challenge, however, is maintaining robust target t…

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Engineering Preprint PDF DOI

Development of a Digital Twin for an Electric Vehicle Emulator Modeling, Control, and Experimental Validation

Lamine Chalal, Ahmed Rachid · 2025

This paper presents the development and validation of a digital twin for a scaled-down electric vehicle (EV) emulator, designed to replicate longitudinal vehicle dynamics under diverse operating condi…

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Engineering Preprint PDF DOI

ReflectGAN: Modeling Vegetation Effects for Soil Carbon Estimation from Satellite Imagery

Dristi Datta, Manoranjan Paul, Manzur Murshed, Shyh Wei Teng, Leigh M. Schmidtke · 2025

Soil organic carbon (SOC) is a critical indicator of soil health, but its accurate estimation from satellite imagery is hindered in vegetated regions due to spectral contamination from plant cover, wh…

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Engineering Preprint PDF DOI

Improved Motion Plane Adaptive 360-Degree Video Compression Using Affine Motion Models

Marina Ritthaler, Andy Regensky, Andre Kaup · 2025

Efficient compression of 360-degree video content requires the application of advanced motion models for interframe prediction. The Motion Plane Adaptive (MPA) motion model projects the frames on mult…

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Engineering Preprint PDF DOI

Scene-based nonuniformity correction with homography transformation

Peretz Yafin, Nir Sochen, Iftach Klapp · 2025

Due to their affordable, low mass, and small dimensions, uncooled microbolometer-based thermal focal plane arrays (UC-FPAs) are useful for long-wave infrared (LWIR)imaging applications. However, in ou…

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Engineering Preprint PDF DOI

LUCAS: A CMOS-Based Fast Readout ASIC for Silicon Photomultipliers -- Measurement and Performance Evaluation

Seyed Arash Katourani · 2025

This paper presents the design, implementation, and performance evaluation of LUCAS, a low-power, ultra-low jitter ASIC optimized for SiPM readout in Time-of-Flight Computed Tomography (ToF-CT) applic…

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Engineering Preprint PDF DOI

Technical Report on Reinforcement Learning Control on the Lucas-N\"ulle Inverted Pendulum

Maximilian Schenke, Shalbus Bukarov · 2024

The discipline of automatic control is making increased use of concepts that originate from the domain of machine learning. Herein, reinforcement learning (RL) takes an elevated role, as it is inheren…

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Engineering Preprint PDF DOI

De-Identification of Medical Imaging Data: A Comprehensive Tool for Ensuring Patient Privacy

Moritz Rempe, Lukas Heine, Constantin Seibold, Fabian Horst, Jens Kleesiek · 2024

Medical data employed in research frequently comprises sensitive patient health information (PHI), which is subject to rigorous legal frameworks such as the General Data Protection Regulation (GDPR) o…

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Engineering Preprint PDF DOI

Frame forecasting in cine MRI using the PCA respiratory motion model: comparing recurrent neural networks trained online and transformers

Michel Pohl, Mitsuru Uesaka, Hiroyuki Takahashi, Kazuyuki Demachi, Ritu Bhusal Chhatkuli · 2024

Respiratory motion complicates accurate irradiation of thoraco-abdominal tumors during radiotherapy, as treatment-system latency entails target-location uncertainties. This work addresses frame foreca…

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Engineering Preprint PDF DOI

HDA-LVIO: A High-Precision LiDAR-Visual-Inertial Odometry in Urban Environments with Hybrid Data Association

Jian Shi, Wei Wang, Mingyang Qi, Xin Li, Ye Yan · 2024

To enhance localization accuracy in urban environments, an innovative LiDAR-Visual-Inertial odometry, named HDA-LVIO, is proposed by employing hybrid data association. The proposed HDA_LVIO system can…

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Engineering Preprint PDF DOI

Examination Minutes Measurement of Single-Antenna-Element Beamforming

Nils L. Johannsen, Lukas Grundmann · 2024

This document shall provide all knowledge gained in conjunction and preparation with the conducted measurements in the antenna measurement chamber of the Institute of Microwave and Wireless Systems (I…

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Engineering Preprint PDF DOI

Optical flow-based vascular respiratory motion compensation

Keke Yang, Zheng Zhang, Meng Li, Tuoyu Cao, Maani Ghaffari, Jingwei Song · 2023

This paper develops a new vascular respiratory motion compensation algorithm, Motion-Related Compensation (MRC), to conduct vascular respiratory motion compensation by extrapolating the correlation be…

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Engineering Preprint PDF DOI

Effects of Sim2Real Image Translation on Lane Keeping Assist System in CARLA Simulator

Jinu Pahk, Jungseok Shim, MinHyeok Baek, Yongseob Lim, Gyeungho Choi · 2022

Autonomous vehicle simulation has the advantage of testing algorithms in various environment variables and scenarios without wasting time and resources, however, there is a visual gap with the real-wo…

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Engineering Preprint PDF DOI

Prediction of the motion of chest internal points using a recurrent neural network trained with real-time recurrent learning for latency compensation in lung cancer radiotherapy

Michel Pohl, Mitsuru Uesaka, Kazuyuki Demachi, Ritu Bhusal Chhatkuli · 2022

During the radiotherapy treatment of patients with lung cancer, the radiation delivered to healthy tissue around the tumor needs to be minimized, which is difficult because of respiratory motion and t…

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Engineering Preprint PDF DOI

Detection of Clouds in Multiple Wind Velocity Fields using Ground-based Infrared Sky Images

Guillermo Terren-Serrano, Manel Martinez-Ramon · 2021

Horizontal atmospheric wind shear causes wind velocity fields to have different directions and speeds. In images of clouds acquired using ground-based sky imagers, clouds may be moving in different wi…

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Engineering Preprint PDF DOI

Visual Navigation with a 2-pixel Camera---Possibilities and Limitations

John Baillieul, Feiyang Kang · 2021

Borrowing terminology from fluid mechanics, the concepts of {\em Eulerian} and {\em Lagrangian optical flow sensing} are introduced. Eulerian optical flow sensing assumes that each photoreceptor in th…

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Engineering Preprint PDF DOI

A Heteroscedastic Likelihood Model for Two-frame Optical Flow

Timothy Farnworth, Christopher Renton, Reuben Strydom, Adrian Wills, Tristan Perez · 2020

Machine vision is an important sensing technology used in mobile robotic systems. Advancing the autonomy of such systems requires accurate characterisation of sensor uncertainty. Vision includes intri…

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Engineering Preprint PDF DOI

Localization and Mapping of Sparse Geologic Features with Unpiloted Aircraft Systems

Zhiang Chen, Sarah Bearman, J Ramon Arrowsmith, Jnaneshwar Das · 2020

Robotic mapping is attractive in many scientific applications that involve environmental surveys. This paper presents a system for localization and mapping of sparsely distributed surface features suc…

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Engineering Preprint PDF DOI

Low-cost Autonomous Navigation System Based on Optical Flow Classification

Michel C. Meneses, Leonardo N. Matos, Bruno O. Prado · 2018

This work presents a low-cost robot, controlled by a Raspberry Pi, whose navigation system is based on vision. The strategy used consisted of identifying obstacles via optical flow pattern recognition…

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