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387 Results Found

  • Article
  • Open Access
67 Citations
10,256 Views
26 Pages

26 November 2021

Limited training data is one of the biggest challenges in the industrial application of deep learning. Generating synthetic training images is a promising solution in computer vision; however, minimizing the domain gap between synthetic and real-worl...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
4,811 Views
18 Pages

17 September 2023

Realistic fluid models play an important role in computer graphics applications. However, efficiently reconstructing volumetric fluid flows from monocular videos remains challenging. In this work, we present a novel approach for reconstructing 3D flo...

(This article belongs to the Special Issue Differential Equations and Networks for Description of Natural and Social Systems: Methodology and Applications)
  • Article
  • Open Access
3 Citations
1,199 Views
19 Pages

13 November 2025

This study introduces a physics-based inverse rendering method for determining the reduced scattering and absorption coefficients of turbid materials with arbitrary shapes, using a single image as input. The approach enables fully spectrally-resolved...

(This article belongs to the Section Optoelectronics and Optical Materials)
  • Article
  • Open Access
1 Citations
1,264 Views
18 Pages

Validation of a Single-Image Inverse Rendering Setup for Optical Property Estimation in Turbid Materials

  • Philipp Nguyen,
  • David Hevisov,
  • Markus Wagner,
  • Joachim Jelken and ,
  • Florian Foschum and
  • Alwin Kienle
  • + 1 author+ 0 author

28 February 2026

This work presents an experimental validation of a physics-based inverse rendering method for determining the reduced scattering and absorption coefficients of turbid materials in arbitrary shape from a single image per wavelength. Based on our previ...

(This article belongs to the Special Issue Computational Optical Imaging: Progress and Future Prospects)
  • Article
  • Open Access
29 Views
20 Pages

4 November 2026

In physically based volume rendering of volumetric medical imaging data, exposure levels are typically set empirically. However, differences in voxel values and opacity across transfer functions can make a fixed setting produce underexposed or overex...

(This article belongs to the Special Issue Mathematical Applications in Computer Graphics)
  • Article
  • Open Access
19 Citations
4,983 Views
26 Pages

Soil is one of the most important factors of agricultural productivity, directly influencing crop growth, water management, and overall yield. However, inefficient soil moisture monitoring methods, such as manual observation and gravimetric in rural...

(This article belongs to the Special Issue Pattern Recognition and Image Processing: Latest Advances and Prospects)
  • Article
  • Open Access
537 Views
19 Pages

Optimising Material Ratios for Full-Colour 3D-Printed Dental Restorations

  • Philipp Nguyen,
  • David Hevisov,
  • Markus Wagner,
  • Joachim Jelken and ,
  • Florian Foschum and
  • Alwin Kienle
  • + 1 author+ 0 author

17 September 2026

Accurate colour reproduction remains a challenge in manufactured dental restorations because tooth appearance depends on wavelength-dependent absorption and scattering, geometry, illumination, and viewing conditions. We present a measurement- and sim...

(This article belongs to the Special Issue Computational Optical Imaging: Progress and Future Prospects)
  • Article
  • Open Access
6 Citations
5,091 Views
32 Pages

Simulation and Visualisation of Traditional Craft Actions

  • Xenophon Zabulis,
  • Andriani Stamou,
  • Ioanna Demeridou,
  • Panagiotis Koutlemanis and ,
  • Polykarpos Karamaounas,
  • Vasileios Papageridis and
  • Nikolaos Partarakis
  • + 2 authors+ 0 author

12 December 2024

Digital tools exhibit the potential to support the sustainability of traditional crafts through training and presentation applications. This work presents an integrated approach, combining state-of-the-art simulation and visualisation techniques to m...

  • Article
  • Open Access
509 Views
25 Pages

MaterialSeg3D++: Large-Scale Material Prediction for 3D Assets from 2D Priors

  • Junran Peng,
  • Ruitong Gan,
  • Silei Shen,
  • Zongxing Li and ,
  • Yan Liu and
  • Ziwei Zhu
  • + 1 author+ 0 author

28 August 2026

Recent image diffusion models have enabled automatic 3D object creation from text or image guidance, but their 2D generative priors often bake illumination and shadow into textures, making relighting and physically based rendering (PBR) difficult. To...

(This article belongs to the Special Issue AI4Data and Data4AI: Data Intelligence for Foundation Models, Knowledge Systems, and Intelligent Agents)
  • Article
  • Open Access
1 Citations
1,489 Views
18 Pages

1 December 2025

Manufacturing companies are increasingly confronted with critical challenges such as a shortage of skilled labor, rising production costs, and ever-stricter quality requirements. These challenges become particularly acute when defect types exhibit hi...

(This article belongs to the Special Issue Computer Vision and Sensing Technologies for Industrial Quality Inspection: 2nd Edition)
  • Article
  • Open Access
1 Citations
1,454 Views
44 Pages

Externalizing Tacit Craft Knowledge Through Semantic Graphs and Real-Time VR Simulation

  • Nikolaos Partarakis,
  • Panagiotis Koutlemanis,
  • Ioanna Demeridou,
  • Dimitrios Zourarakis and ,
  • Alexandros Makris,
  • Anastasios Roussos and
  • Xenophon Zabulis
  • + 2 authors+ 0 author

Traditional craft education relies heavily on hands-on practice; however, novice learners often struggle with procedural complexity, material behavior, and the tacit knowledge typically transmitted through prolonged apprenticeship. This paper present...

(This article belongs to the Special Issue Advances and Challenges in Multimodal Pattern Recognition)
  • Article
  • Open Access
1 Citations
1,470 Views
35 Pages

Generative neural networks have expanded from text and image generation to creating realistic 3D graphics, which are critical for immersive virtual environments. Physically Based Rendering (PBR)—crucial for realistic 3D graphics—depends o...

(This article belongs to the Special Issue Feature Papers in Artificial Intelligence)
  • Article
  • Open Access
6 Citations
3,017 Views
13 Pages

22 November 2022

Six-dimensional pose estimation for non-Lambertian objects, such as metal parts, is essential in intelligent manufacturing. Current methods pay much less attention to the influence of the surface reflection problem in 6D pose estimation. In this pape...

(This article belongs to the Special Issue Computer/Machine Vision Applications in Automation, Robotic, Mechatronic Systems)
  • Article
  • Open Access
6 Citations
2,474 Views
23 Pages

Violins Unveiled: A Photogrammetric Framework Integrating Multiband and Spectroscopic Data for In-Depth Examination of Two Musical Instruments

  • Federico Di Iorio,
  • Giacomo Fiocco,
  • Riccardo Angeloni,
  • Leila Es Sebar and ,
  • Sara Croci,
  • Fausto Cacciatori,
  • Marco Malagodi,
  • Federica Pozzi and
  • Sabrina Grassini
  • + 4 authors+ 0 author

23 May 2025

In the field of cultural heritage (CH), non-invasive analyses, such as photogrammetry and multiband imaging (MBI), play a pivotal role as effective solutions for examining the morphology, materials, and state of preservation of an artifact. Gathering...

(This article belongs to the Special Issue Innovative Approaches in 3D Sensing and Imaging Technologies for Cultural Heritage)
  • Article
  • Open Access
1,598 Views
40 Pages

Digital Tools for Innovation in Craft Design: Lessons from a Multi-Domain European Design Pilot

  • Arnaud Dubois,
  • Zoé L’Évêque,
  • Inés Moreno,
  • Loïc Petitgirard and ,
  • Danae Kaplanidi,
  • Juan Carlos Bañón,
  • Juan José Ortega,
  • Nikolaos Partarakis and
  • Xenophon Zabulis
  • + 4 authors+ 0 author

Traditional European craft practices face dual pressures: the erosion of tacit knowledge held by aging practitioners, and the risk of cultural homogenization through uninformed digital adoption. This paper presents a comparative analysis of a structu...

  • Review
  • Open Access
4 Citations
3,896 Views
27 Pages

The underwater world has gained significant attention in research in recent years, particularly in the context of ocean exploration. Images serve as a valuable data source for underwater tasks, but they face several issues related to light behavior i...

(This article belongs to the Special Issue Underwater Imaging (2nd Edition))
  • Article
  • Open Access
13 Views
20 Pages

Rendering of Scattering Luminescent Phantoms with a Full-Cascade Monte Carlo Framework

  • Philip Gelbing,
  • Philipp Nguyen,
  • David Hevisov,
  • Joachim Jelken and
  • Alwin Kienle

8 November 2026

Accurate modeling of light transport in turbid luminescent media is essential for biomedical optical diagnostics and the design of phosphor-converted materials. However, bispectral surface reflectance models and volumetric models limited to a single...

(This article belongs to the Special Issue Advancements in Fluorescent Materials and Applications)
  • Review
  • Open Access
2 Citations
1,799 Views
15 Pages

Perceived photorealism in architectural 3D rendering is not determined solely by physical accuracy or rendering complexity but also by a limited set of visual cues that observers rely on when judging realism. This literature review synthesizes findin...

(This article belongs to the Section Computational Imaging and Computational Photography)
  • Review
  • Open Access
12 Citations
12,168 Views
26 Pages

6 September 2024

Differentiable rendering techniques have received significant attention from both industry and academia for novel view synthesis or for reconstructing shapes and materials from one or multiple input photographs. These techniques are used to propagate...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
2 Citations
1,615 Views
13 Pages

19 July 2025

The rising popularity of ecotourism on the Tibetan Plateau has intensified the tension between wildlife conservation and economic development. Conventional wildlife displays often fail to achieve high-fidelity, non-invasive representations of animal...

  • Article
  • Open Access
13 Citations
8,831 Views
21 Pages

13 May 2013

Accurate acoustic channel models are critical for the study of underwater acoustic networks. Existing models include physics-based models and empirical approximation models. The former enjoy good accuracy, but incur heavy computational load, renderin...

(This article belongs to the Special Issue Last Trends in Acoustic Sensing)
  • Article
  • Open Access
16 Citations
3,655 Views
16 Pages

11 January 2021

Multi-sensor imagery data has been used by researchers for the image semantic segmentation of buildings and outdoor scenes. Due to multi-sensor data hunger, researchers have implemented many simulation approaches to create synthetic datasets, and the...

(This article belongs to the Special Issue Building Thermal Envelope - New Trends and Applications)
  • Article
  • Open Access
12 Citations
3,235 Views
20 Pages

12 April 2024

Ensuring optimal performance and reliability in rotor-bearing systems is crucial for industrial applications. Imbalances and shaft bowing in these systems can lead to decreased efficiency and increased vibrations. The early detection and mitigation o...

(This article belongs to the Collection Modeling, Design and Control of Electric Machines: Volume II)
  • Article
  • Open Access
2 Citations
1,518 Views
12 Pages

Hybrid Method for Solving the Radiative Transport Equation

  • André Liemert,
  • Dominik Reitzle and
  • Alwin Kienle

The spherical harmonics method (PN method) is often used for solving the radiative transport equation in terms of analytical functions. A severe and unsolved problem in this context was the evaluation of the angle-resolved radiance near sources and b...

(This article belongs to the Section Biophotonics and Biomedical Optics)
  • Article
  • Open Access
21 Citations
8,059 Views
18 Pages

1 January 2018

Magnetic drug targeting is a promising technique that can deliver drugs to the diseased region, while keeping the drug away from healthy parts of body. Introducing a human in the control loop of a targeted drug delivery system and using inherent bila...

(This article belongs to the Special Issue Locomotion at Small Scales: From Biology to Artificial Systems)
  • Article
  • Open Access
17 Views
18 Pages

6 November 2026

Urban flooding poses significant risks to life, infrastructure, and the environment, motivating the development of interactive digital-twin platforms that combine geospatial modeling, real-time environmental observations, and immersive visualization....

(This article belongs to the Special Issue Digital Twins for Sustainable Cities and Infrastructure)
  • Article
  • Open Access
14 Citations
8,074 Views
15 Pages

Generating synthetic data is a promising solution to the challenge of limited training data for industrial deep learning applications. However, training on synthetic data and testing on real-world data creates a sim-to-real domain gap. Research has s...

  • Article
  • Open Access
1 Citations
705 Views
27 Pages

4 March 2026

The transition towards high-renewable power systems introduces high-dimensional nonlinearity and uncertainty, rendering traditional offline look-up table schemes prone to control mismatch against “unseen” contingencies. Meanwhile, existin...

(This article belongs to the Special Issue Stability Analysis, Operation and Control of New Energy Power Systems)
  • Article
  • Open Access
2 Citations
3,204 Views
23 Pages

7 July 2023

The physics-based design and realization of a digital musical interface asks for the modeling and implementation of the contact-point interaction with the performer. Musical instruments always include a resonator that converts the input energy into s...

(This article belongs to the Special Issue Feeling the Future—Haptic Audio)
  • Article
  • Open Access
7 Citations
5,684 Views
19 Pages

Synthetic-to-Real Composite Semantic Segmentation in Additive Manufacturing

  • Aliaksei Petsiuk,
  • Harnoor Singh,
  • Himanshu Dadhwal and
  • Joshua M. Pearce

The application of computer vision and machine learning methods for semantic segmentation of the structural elements of 3D-printed products in the field of additive manufacturing (AM) can improve real-time failure analysis systems and potentially red...

(This article belongs to the Special Issue Smart and Advanced Manufacturing)
  • Article
  • Open Access
21 Citations
8,185 Views
24 Pages

Using Game Engines for Visuo-Haptic Learning Simulations

  • David Escobar-Castillejos,
  • Julieta Noguez,
  • Roberto A. Cárdenas-Ovando,
  • Luis Neri and ,
  • Andres Gonzalez-Nucamendi and
  • Víctor Robledo-Rella
  • + 1 author+ 0 author

30 June 2020

Technological advances have been the main driver of enhancing human–computer interaction and interactive simulations have experienced exponential growth in recent years. However, visual and auditory channels are usually the only ones considered...

(This article belongs to the Special Issue Haptics: Technology and Applications)
  • Article
  • Open Access
7 Citations
5,893 Views
19 Pages

19 January 2024

Shadow removal for document images is an essential task for digitized document applications. Recent shadow removal models have been trained on pairs of shadow images and shadow-free images. However, obtaining a large, diverse dataset for document sha...

(This article belongs to the Topic Applications in Image Analysis and Pattern Recognition)
  • Article
  • Open Access
2 Citations
1,381 Views
14 Pages

11 June 2026

Trail running imposes highly variable biomechanical demands due to steep, irregular terrain that renders flat-road pacing models inadequate. We present a physics-based digital twin that integrates a terrain-adaptive grade-adjusted pace (GAP) model wi...

(This article belongs to the Special Issue Advanced Sensing Technologies in Sports Biomechanics)
  • Article
  • Open Access
698 Views
23 Pages

LEOPARD: Automated CAD-to-Synthetic Pipeline for 3D-Printed Firearm Detection in Civil Transit Security

  • Constantino Benjumea-Bellott,
  • Ángel Torregrosa-Domínguez,
  • Víctor Ramos-González,
  • Luis M. Soria-Morillo and
  • Juan A. Álvarez-García

20 May 2026

The proliferation of 3D-printed firearms poses a growing challenge for civil security, particularly in controlled public environments such as airports, train stations, and other transit hubs. These objects are often manufactured from polymer material...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
1 Citations
568 Views
15 Pages

Advanced Mathematical Platform for the Control and Manipulation of Magnetized Living Cells

  • Vitaly Goranov,
  • Tatiana Shelyakova,
  • Jaroslav Koštál,
  • Alexander Makhaniok and ,
  • Gianluca Giavaresi and
  • Valentin Alek Dediu
  • + 1 author+ 0 author

Magnetizing living cells with superparamagnetic iron oxide nanoparticles (SPIONs) enables their remote manipulation using external magnetic field. This lays the foundation for magnetically assembling tissue precursors within cell-friendly, proliferat...

(This article belongs to the Special Issue Multimodal AI‑Assisted Bioprinting: From Material Selection to Automated Fabrication)
  • Article
  • Open Access
14 Citations
8,062 Views
20 Pages

Environment-Aware Rendering and Interaction in Web-Based Augmented Reality

  • José Ferrão,
  • Paulo Dias,
  • Beatriz Sousa Santos and
  • Miguel Oliveira

This work presents a novel framework for web-based environment-aware rendering and interaction in augmented reality based on WebXR and three.js. It aims at accelerating the development of device-agnostic Augmented Reality (AR) applications. The solut...

(This article belongs to the Section Mixed, Augmented and Virtual Reality)
  • Article
  • Open Access
7 Citations
2,993 Views
17 Pages

Multi-Modal Haptic Rendering Based on Genetic Algorithm

  • Yucheng Li,
  • Fei Wang,
  • Liangze Tao and
  • Juan Wu

24 November 2022

Multi-modal haptic rendering is an important research direction to improve realism in haptic rendering. It can produce various mechanical stimuli that render multiple perceptions, such as hardness and roughness. This paper proposes a multi-modal hapt...

  • Article
  • Open Access
80 Citations
6,924 Views
28 Pages

11 January 2022

Manual visual inspection of civil infrastructure is high-risk, subjective, and time-consuming. The success of deep learning and the proliferation of low-cost consumer robots has spurred rapid growth in research and application of autonomous inspectio...

(This article belongs to the Collection Vision Sensors and Systems in Structural Health Monitoring)
  • Article
  • Open Access
1 Citations
980 Views
17 Pages

Alpha/beta (α/β) pulse shape discrimination (PSD) in liquid scintillation counting (LSC) is fundamentally limited by the charge comparison method (CCM) at low energies, where the entire tritium (3H) beta spectrum resides (0–18.6 keVe...

  • Article
  • Open Access
529 Views
25 Pages

17 June 2026

Unmanned Surface Vehicle (USV) clusters operating in maritime environments face dynamic communication conditions, including varying sea states, electromagnetic interference, and satellite denial, that render static communication topologies suboptimal...

(This article belongs to the Special Issue Computational Methods in Wireless Communication)
  • Article
  • Open Access
5 Citations
4,043 Views
15 Pages

24 April 2023

The aim of this work is to determine how the mechanical and physical properties of render mortars, in particular their moisture performance, are affected by the application of paint. In this study, three commercial paints, hydro-pliolite-based paint,...

(This article belongs to the Topic Built Environment and Human Comfort)
  • Article
  • Open Access

Timing Feasibility of Multimodal Software-Defined Haptic Rendering with a Browser-Based Digital Twin on a Cortex-M4 Microcontroller

  • Victor H. Benitez,
  • Wendy N. Karlett-Ramos,
  • Daniel A. Salcido-Munguia,
  • Fernando A. Suarez-Sanchez and ,
  • Cesar A. Denogean,
  • Daniel A. Balderrama-Alvarez,
  • David Solis and
  • Jesus Pacheco
  • + 3 authors+ 0 author

12 November 2026

Haptic interfaces convey force between an operator and a physical or virtual environment, yet passive devices encode a single force behavior in dedicated mechanical hardware and cannot emulate qualitatively different phenomena without physical modifi...

(This article belongs to the Section Systems & Control Engineering)
  • Project Report
  • Open Access
22 Citations
12,353 Views
11 Pages

Through the Patients’ Eyes: The Experience of End-Stage Renal Disease Patients Concerning the Provided Nursing Care

  • Areti Stavropoulou,
  • Maria G. Grammatikopoulou,
  • Michail Rovithis,
  • Konstantina Kyriakidi and ,
  • Andriani Pylarinou and
  • Anastasia G. Markaki
  • + 1 author+ 0 author

Chronic kidney disease is a condition that affects both the physical and mental abilities of patients. Nursing care is of pivotal importance, in particular when end-stage renal disease (ESRD) patients are concerned, since the quality of the provided...

(This article belongs to the Special Issue The Socio-Economic Impact of End Stage Kidney Disease)
  • Article
  • Open Access
6 Citations
1,172 Views
19 Pages

25 November 2025

South Africa is facing serious challenges in addressing the needs of women survivors of human trafficking. Trafficked women often experience health issues, physical, sexual, psychological, economic, and social abuse. Women trafficking is a multidisci...

  • Article
  • Open Access
2 Citations
2,939 Views
17 Pages

9 April 2023

With the rapid development of virtual reality (VR) technology, digital materials have become more realistic and controllable, offering new opportunities for material perception research. However, material parameters for physically based rendering (PB...

(This article belongs to the Section Applied Neuroscience and Neural Engineering)
  • Article
  • Open Access
11 Citations
5,148 Views
15 Pages

Innovative Thermal Renders Incorporating Oyster Shells for Sustainable Insulation

  • Poliana Bellei,
  • Fernanda Magalhães,
  • Manuel Pereira,
  • Isabel Torres and ,
  • Runar Solstad and
  • Inês Flores-Colen
  • + 1 author+ 0 author

15 November 2023

In accordance with current sustainable development objectives, it is intended to implement innovative and sustainable solutions at economic, environmental, and functional levels, boosting the construction sector to increasingly contribute to society....

(This article belongs to the Special Issue Innovative Approaches to Increase the Sustainability of the Built Environment)
  • Article
  • Open Access
1 Citations
2,143 Views
11 Pages

11 July 2024

In a recent paper, Nicolas Gisin suggests that by conducting physics with intuitionistic rather than classical mathematics, rich temporality—that is, passage and tense, and specifically the future’s openness—can be incorporated into...

(This article belongs to the Special Issue Time and Temporal Asymmetries)
  • Article
  • Open Access
589 Views
22 Pages

11 May 2026

A definition of identifiable-sets is used with sequential analysis to establish a realm of mathematics. Within this imaginary world, a specific consonant between infinite sets and sequentiality is reached. This consonant allows some mathematical cons...

(This article belongs to the Section E: Applied Mathematics)
  • Technical Note
  • Open Access
473 Views
5 Pages

Four-dimensional cinematic rendering represents a convergence of physically based volumetric visualization and time-resolved cardiac imaging, enabling simultaneous assessment of structure and motion within a continuous spatial context. Its applicatio...

  • Article
  • Open Access
8 Citations
3,897 Views
18 Pages

Multi-Layered Perceptual Model for Haptic Perception of Compliance

  • Zhiyu Shao,
  • Juan Wu,
  • Qiangqiang Ouyang,
  • Cong He and
  • Zhiyong Cao

7 December 2019

Haptic rendering of compliance is widely used in human–computer haptic interaction. Haptic impressions of virtual objects are usually controlled through rendering algorithms and devices. However, subjective feelings of compliance are easily aff...

(This article belongs to the Section Computer Science & Engineering)

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