Acta Polytechnica Hungarica Böngészés a megjelenés dátuma szerint
Találatok megtekintése: 1-20 összesen: 104
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Potential of Learning Labs to Improve the use of Digital Geomedia in Education. The Use Case iDEAS: Lab Discussed using the Example of the ESDplus Project
(2025)Digital geomedia and thus, the use of digital, spatial tools such as, online-maps and satellite images, are playing an increasing role in all educational areas and contexts. This refers, first, to their use in all types ... -
Orthorectifying Archive Aerial Photos with Rational Polynomial Camera Model
(2025)In this paper we present a workflow, how a set of metadata can be calculated for a raw aerial image, that enables end-users to simply orthorectify the aerial image, using end- user’s own digital elevation model. The set ... -
Urban Land Cover Classification Using Deep Neural Networks Based on VHR MS Image and DSM
(2025)Urban environment presents one of the most challenging research fields for remote sensing data analysis tasks due to the wide range of land cover materials, and the variety of land use classes. Urban feature extraction, ... -
Bathymetric Survey and Digital Elevation Model, using an Echo Sounder/Acoustic Sonar: The Case of Dobra Lake (Hunedoara, Romania)
(2025)Bathymetric surveying represents a type of hydrographic survey that maps the details of underwater landforms such as rivers, lakes, seas or oceans. Data obtained from bathymetric surveys is especially important for ... -
Mapping of Soil Moisture Variability, Using the Sentinel-2 Data Optical-Trapezoid Approach
(2025)Understanding soil moisture is crucial in various aspects of daily life and scientific pursuits. Among these, knowledge about water stress conditions holds particular significance for both agriculture and soil conservation. ... -
Usage of InSAR Technology in Surface Deformations Caused by Deep Mining
(2025)This study investigates surface deformations at the Márkushegy Mining Facility in Pusztavám, Hungary, within the Oroszlány coal basin, from 2014 to 2019 using Interferometric Synthetic Aperture Radar (InSAR) technology. ... -
Segmentation of Electricity Consumers Using Clustering
(2025)The work presented in this paper is focused on customer segmentation based on the electricity demand by clustering methods. The main goal was to cluster the customers of a local electrical energy distribution company ... -
Extracting Tailings Ponds from High Spatial Resolution Remote Sensing Images using Improved YOLOv5 and SegFormer
(2025)Dam failures in tailings ponds pose severe threats to nearby ecosystems, residents' lives, and property. Therefore, accurately and efficiently extracting information on tailings ponds is essential. Remote sensing technology ... -
Optimal Treatment of Tumor Growth, using Individual Chemotherapy Doses
(2025)This study analyzes a nonlinear model of tumor growth dynamics, describing the interactions between tumor cells, immune system cells and a chemotherapeutic drug. The primary objective is to identify a locally stable ... -
Factors Influencing the Intention to Use Robo- Advisors: A Hungarian Perspective
(2025)This study aims to investigate the factors influencing the intention to use robo- advisors, based on an extended Unified Theory of Acceptance and Use of Technology (UTAUT) model, incorporating trust and perceived risk ... -
Parameter Optimization in Sparse Voxel DAGs for Efficient Geometry Representation of Voxelized 3D Scenes
(2025)This paper addresses the issue of geometry representation of voxelized three- dimensional scenes, using domain-specific hierarchical data structures, utilizing lossless compression. It discusses the details of the sparse ... -
Comparative Analysis of AI models ‒ Using AI-supported Qualitative Data Analysis for Interview Analysis
(2025)This study aims to comparatively evaluate the performance of currently popular Artificial Intelligence (AI) models in supporting qualitative data analysis, specifically focusing on the coding and hypothesis validation ... -
High-Performance Sensor Fault-Tolerant Control Based on μ-Synthesis Approach for Induction Motor
(2025)In this paper, we present an improved Fault-Tolerant Control (FTC) for an Induction Motor (IM) system associated with a robust sensor Fault Detection and Isolation (FDI) filter based on the robust μ-synthesis technique. ... -
Position Optimization of the Roberts – Chebyshev Cognate – Compliant Mechanisms
(2025)Instead of relying solely on moving rigid-body joints, compliant mechanisms motion is defined, thanks to their joints' relative flexibility, i.e., flexure hinges. As alternatives to the rigid-body Roberts-Chebyshev ... -
NTC-CIL: Characterizing and Classifying Encrypted Network Traffic using Class- Incremental Learning
(2025)In the field of network security and management, accurately identifying and managing encrypted traffic is essential for mitigating potential attacks and optimizing resource usage. However, conventional methods often ... -
Examining the Influence of Egocentric Distance on Exocentric Distance Estimation in Virtual Environments
(2025)Egocentric and exocentric distance estimations are crucially important in the modern world. However, these skills can often be inaccurately assessed in virtual environments. A virtual space with two versions was designed ... -
Time's Effect on Crime Prediction Precision and Accuracy
(2025)Crime detection with high prediction and accuracy has become a focused issue in the process of crime investigation and prevention. The higher the accuracy or precision of a crime detection model the more efficient crime ... -
Detection of Visual Deepfakes using Deep Convolutional Networks
(2025)With social media being a significant part of everyday life, the possibilities of misinformation spreading in textual, visual or audio form are now significantly in comparison to past. With the onset of widely available ... -
General Algorithm for Gross Error Filtering Utilizing Weighted Arithmetic Mean Value Preceding Least Square Adjustment
(2025)In the context of error detection in measurements, various methods are available depending on the magnitude of the errors. Very large gross errors, often coming from mistakes, typically need to be removed before the ... -
Comparing the Results Received on Desktop Display and Paper Versions of Four Spatial Ability Test Types
(2025)The spatial skills of freshman engineering students in higher education are investigated in this paper. For the analysis, the Mental Rotation Test, Mental Cutting Test, Purdue Spatial Visualization Test, and Heinrich ...