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Journal articles on the topic 'Experimental analyses of qr-code scanning'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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1

Velumani, Ramesh, Hariharasitaraman Sudalaimuthu, Gaurav Choudhary, Srinivasan Bama, Maranthiran Victor Jose, and Nicola Dragoni. "Secured Secret Sharing of QR Codes Based on Nonnegative Matrix Factorization and Regularized Super Resolution Convolutional Neural Network." Sensors 22, no. 8 (2022): 2959. http://dx.doi.org/10.3390/s22082959.

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Advances in information technology have harnessed the application of Quick Response (QR) codes in day-to-day activities, simplifying information exchange. QR codes are witnessed almost everywhere, on consumables, newspapers, information bulletins, etc. The simplicity of QR code creation and ease of scanning with free software have tremendously influenced their wide usage, and since QR codes place information on an object they are a tool for the IoT. Many healthcare IoT applications are deployed with QR codes for data-labeling and quick transfer of clinical data for rapid diagnosis. However, th

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Meshram, Vidula V., Kailas R. Patil, Vishal A. Meshram, and Shripad Bhatlawande. "SmartMedBox: A Smart Medicine Box for Visually Impaired People Using IoT and Computer Vision Techniques." Revue d'Intelligence Artificielle 36, no. 5 (2022): 681–88. http://dx.doi.org/10.18280/ria.360504.

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The Internet of Things (IoT) can easily connect real-life objects or physical things to the internet, thus having applications in different domains. Healthcare is one of the prominent application areas. The proposed work aims to design and development of a smart medical box for visually impaired people using IoT and computer vision methods. This application comprises of two modules: first, the QR code scanning module in the mobile app scans the QR code applied to the medicine strip by a pharmacist, it reads the entire medicine information and sets the voice alarms according to a medicine dosag

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Zhang, Shun, and Tiegang Gao. "Visible Watermarking Scheme for Quick Response Code Based on Reversible Data Hiding." International Journal of Digital Crime and Forensics 6, no. 3 (2014): 47–63. http://dx.doi.org/10.4018/ijdcf.2014070104.

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Quick Response Code (QR Code) has become an important entrance of O2O (Online to Offline) in the era of mobile internet. Many applications, such as transformation of URLs, the descriptions of these images, and so on can be realized through embedding QR Code into images. However, the embedding of QR Code may destroy some image details in the corresponding area, which is annoying, especially in these applications that need high precision. The reversible recovery of original image is of importance. A reversible visible watermarking scheme is proposed for embedding QR Code into images. One can dec

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Kurniati, Ira, Eri Mardiani, Nur Rahmansyah, Lusiana Putri, Mungky Hendriyani, and Delfi Yandri. "ANALISA PERSEPSI KONSUMEN TERHADAP PENERAPAN KODE QR DALAM PROMOSI DAN PEMBAYARAN TRANSAKSI DI RUMAH MAKAN SURYA REZEKI “TAHU GIMBAL” TLOGOSARI." KOMPLEKSITAS : JURNAL ILMIAH MANAJEMEN, ORGANISASI DAN BISNIS 13, no. 2 (2024): 153–59. https://doi.org/10.56486/kompleksitas.vol13no2.641.

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This research analyses consumer perceptions of using QR Codes in promotional activities and digital payments implemented at Rumah Makan Surya Rezeki "Tahu Gimbal" Tlogosari-Semarang. The research method used is descriptive quantitative with a questionnaire analysis approach given to consumers who have completed transactions at the restaurant. The result of this research is a change in how restaurants serve consumers with the introduction of QR Code technology as an alternative to provide information on the available menu items along with their prices and enable digital payments. The QR Code in

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Zhang, Li-na, Jia-qi Sun, Xiao-yu Zhang, Qing-peng Chen, and Jing Zhang. "Two-level QR code scheme based on region matrix image secret sharing algorithm." Mathematical Biosciences and Engineering 20, no. 9 (2023): 16678–704. http://dx.doi.org/10.3934/mbe.2023743.

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<abstract> <p>Quick response (QR) codes have become increasingly popular as a medium for quickly and easily accessing information through mobile devices. However, the open-source nature of QR code encoding poses a risk of information leakage and potential attacks, especially with the growing use of QR codes in financial services and authentication applications. To mitigate the risk of information leakage due to open-source QR code encoding, this paper proposes a two-level QR code scheme based on a region matrix image secret sharing algorithm. In this scheme, the first-level public

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SURYANI, TRIA ANANDA, LINDAWATI LINDAWATI, and MOHAMMAD FADHLI. "Pengembangan Prototipe Sistem Smart Parking dengan Integrasi Parking Lock berbasis Internet of Things." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 12, no. 3 (2024): 731. http://dx.doi.org/10.26760/elkomika.v12i3.731.

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ABSTRAKMeningkatnya jumlah kendaraan roda empat di Indonesia, terutama di kota-kota besar, menimbulkan permasalahan dalam pengelolaan parkir seperti risiko kehilangan tiket kertas, kurangnya informasi real-time, dan pengelolaan area parkir yang tidak optimal. Penelitian ini mengembangkan sistem smart parking berbasis Internet of Things dengan mengintegrasikan parking lock menggunakan QR Code dan penggunaan sensor IR obstacle untuk mendeteksi ketersediaan slot parkir. Berdasarkan Pengujian yang telah dilakukan didapatkan hasil penggunaan sensor IR obstacle untuk deteksi slot parkir dengan akura

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Yeoh, Zi-Yi, Hooi Chin Beh, Megat Mohamad Amirul Amzar, Abdul Hadi Haireen, Deik Roy Chuan, and Sajaratulnisah Othman. "Feasibility of quick response-based quality improvement projects in an urban primary care setting: A cross-sectional survey." Malaysian Family Physician 19 (October 3, 2024): 57. https://doi.org/10.51866/oa.653.

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Introduction: Using quick response (QR) codes to disseminate information has become increasingly popular since the declaration of COVID-19 as a pandemic. We aimed to investigate the feasibility of implementing QR-based quality improvement projects in our clinic to improve patients’ medical knowledge, experience and access to care. Methods: We utilised systematic random sampling by recruiting every 25th patient registered in our clinic during data collection. Participants answered a self-administered printed questionnaire regarding their smartphone usage and familiarity with QR code scanning at

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Trivedi, Aayush. "Phishing Detection in Advanced QR Code Attacks: Challenges and AI-Driven Solutions." International Journal for Research in Applied Science and Engineering Technology 13, no. 1 (2025): 479–82. https://doi.org/10.22214/ijraset.2025.66306.

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QR code-based phishing attacks have emerged as a significant cybersecurity threat, exploiting traditional email security solutions that fail to detect QR-based phishing since they contain neither embedded links nor text-based URLs. This paper explores the challenges of QR phishing attacks, analyses why current security mechanisms are ineffective, and proposes an AI-driven detection framework. A dataset-driven approach is adopted to assess detection accuracy, with experimental evaluations comparing traditional, machine learning, and hybrid AI-based detection techniques.

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Huang, Kai, Xiaobo Tian, Hongzhou Yu, Min Yu, and Aiguo Yin. "A High Capacity Watermarking Technique for the Printed Document." Electronics 8, no. 12 (2019): 1403. http://dx.doi.org/10.3390/electronics8121403.

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Digital watermarking technology is an effective method for copyright protection of digital information, such as images, documents, etc. In this paper, we propose a high capacity text image watermarking technique against printing and scanning processes. Firstly, this method obtains the invariant in the process of printing and scanning under the mathematical hypothesis model of print-scan transformation. Then based on the print-scan invariant, the Fourier descriptor is used to flip the trivial pixel points with high frequency information on the character boundary. Next, considering the resolutio

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Nugraha, Bondan Eka, and Zaenal Abidin. "QR-Code Based Visual Servoing and Target Recognition to Improve Payload Release Accuracy in Air Delivery Missions using Fully Autonomous Quad-Copter UAV." Recursive Journal of Informatics 3, no. 1 (2025): 59–67. https://doi.org/10.15294/rji.v3i1.4430.

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Abstract. Unmanned Aerial Vehicles (UAVs) are increasingly utilized for package delivery due to their efficiency and automation capabilities. UAVs can execute autonomous flight missions using Global Positioning System (GPS)-based navigation. However, challenges arise in the final stage of delivery, known as the last-mile delivery problem. The limitations of GPS-based navigation, the absence of recipient authentication, and shifting drop-off points create reliability and safety concerns. External factors such as varied environmental topography further contribute to delivery inaccuracies, highli

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Yu, Wen-Kai, Ying Yang, Ya-Xin Li, Ning Wei, and Shuo-Fei Wang. "Multi-Party Cryptographic Key Distribution Protocol over a Public Network Based on a Quick-Response Code." Sensors 22, no. 11 (2022): 3994. http://dx.doi.org/10.3390/s22113994.

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In existing cryptographic key distribution (CKD) protocols based on computational ghost imaging (CGI), the interaction among multiple legitimate users is generally neglected, and the channel noise has a serious impact on the performance. To overcome these shortcomings, we propose a multi-party interactive CKD protocol over a public network, which takes advantage of the cascade ablation of fragment patterns (FPs). The server splits a quick-response (QR) code image into multiple FPs and embeds different “watermark” labels into these FPs. By using a CGI setup, the server will acquire a series of

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Ostapets, Y. D. "Experimental Evaluation of the Effectiveness of Using Visual Cues for Controlling Unmanned Vehicles." Science and Transport Progress, no. 2(106) (June 12, 2024): 34–42. http://dx.doi.org/10.15802/stp2024/306148.

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Purpose. The study aims to experimentally evaluate the effectiveness of using visual cues, namely ARToolKitPlus, ArUco markers and two-dimensional QR (quick response code) codes in the tasks of localizing unmanned vehicles (UVs) indoors. Methodology. To enable the implementation of the processes of localization and perception of unmanned vehicles based on visual marks (markers), the structure of the visual marks processing subsystem has been developed. An algorithm for the combined use of three types of visual markers – ARToolKitPlus, ArUco markers and QR codes – for localizing unmanned vehicl

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Borlado, C. R., F. J. Mompean, and Ru Lin Peng. "Monte Carlo simulation of a reactor-based neutron strain scanning diffractometer." Journal of Applied Crystallography 34, no. 5 (2001): 613–24. http://dx.doi.org/10.1107/s0021889801009190.

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A Monte Carlo code for the simulation of neutron strain scanning experiments on a reactor-based two-axis diffractometer is described. In order to validate this code, several experiments have been performed. A comparison is made between experimental and simulated results for instrumental resolution, primary beam divergence and wavelength distribution in the incident neutron beam. Finally, the application of the simulation results to the analysis of a real neutron strain scanning experiment is outlined.

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Nadinta, Puti Shalia, and Nurrani Kusumawati. "Influence of QRIS Payment Customer Satisfaction Towards Customer Loyalty And Continuity." Journal of Consumer Studies and Applied Marketing 1, no. 1 (2023): 61–66. http://dx.doi.org/10.58229/jcsam.v1i1.52.

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The official standardized payment system in Indonesia, Quick Response Indonesian Standard (QRIS), was introduced on August 17, 2019. QRIS is anticipated to facilitate QR payment systems, which allow for scanning a single QR code from various digital payment services as long as they are registered with QRIS. The researcher conducted exploratory research to better grasp the consumer perspective on utilizing QRIS due to the increased usage of QRIS over time. It has been discovered that employing QRIS still has its limitations. With that, a more thorough investigation is conducted into the relatio

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N, Bharath Kumar. "Enhancing Fuel Station Operation a User-friendly Mobile Integrated System for Accurate Dispensing and Payment." International Journal for Research in Applied Science and Engineering Technology 13, no. 4 (2025): 2340–49. https://doi.org/10.22214/ijraset.2025.68522.

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Fuel station operations often face challenges related to inaccurate fuel dispensing and inefficient payment processes, leading to customer dissatisfaction and operational inefficiencies. Manual intervention in fuel measurement can result in discrepancies, while traditional payment methods may cause delays. This paper presents a user- friendly, mobile-integrated petrol bunk system that enhances accuracy and efficiency through automation. The proposed system enables users to register via a mobile application, authenticate using OTP, and select the desired fuel quantity. A QR code-based dispensin

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Huang, You Min, and Cho Pei Jiang. "Development of Stereolithography Simulation Process Based on the Dynamic Finite Element Method." Key Engineering Materials 340-341 (June 2007): 329–34. http://dx.doi.org/10.4028/www.scientific.net/kem.340-341.329.

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In this study, a general simulation code is developed to analyze the shrinkage effect of polymerization and optimize the fabrication parameters including the scanning path, exposure time and scanning speed for the stereolithography system. The code is based on the dynamic finite element method. Liquid element is preconstructed without curing properties till the absorption energy exceeds the critical value of dynamic stiffness matrix assembling. A unit element block is utilized with a weight coefficient for expressing a laser Gaussian energy distribution during the discretizing of the scanning

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Semenza, Carlo, Marina Zoppello, Ornella Gidiuli, and Francesca Borgo. "Dichaptic Scanning of Braille Letters by Skilled Blind Readers: Lateralization Effects." Perceptual and Motor Skills 82, no. 3_suppl (1996): 1071–74. http://dx.doi.org/10.2466/pms.1996.82.3c.1071.

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Dichaptic scanning of Braille letters was studied in 14 skilled blind readers, using Posner's paradigm. A right-hand (left-hemisphere) advantage was found when letters could be matched on the basis of their names (Name Identity Condition), a genuinely linguistic task, while no effects of lateralization appeared when matching could be performed on the basis of perceptual identity (Perceptual Identity Condition) or on “Different” responses. This result provides information about the cerebral lateralization of Braille reading and casts doubts about the current claim that linguistic material, when

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Zhang, Yujia, and Alper Yilmaz. "STRUCTURED LIGHT BASED 3D SCANNING FOR SPECULAR SURFACE BY THE COMBINATION OF GRAY CODE AND PHASE SHIFTING." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B3 (June 9, 2016): 137–42. http://dx.doi.org/10.5194/isprs-archives-xli-b3-137-2016.

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Surface reconstruction using coded structured light is considered one of the most reliable techniques for high-quality 3D scanning. With a calibrated projector-camera stereo system, a light pattern is projected onto the scene and imaged by the camera. Correspondences between projected and recovered patterns are computed in the decoding process, which is used to generate 3D point cloud of the surface. However, the indirect illumination effects on the surface, such as subsurface scattering and interreflections, will raise the difficulties in reconstruction. In this paper, we apply maximum min-SW

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Zhang, Yujia, and Alper Yilmaz. "STRUCTURED LIGHT BASED 3D SCANNING FOR SPECULAR SURFACE BY THE COMBINATION OF GRAY CODE AND PHASE SHIFTING." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B3 (June 9, 2016): 137–42. http://dx.doi.org/10.5194/isprsarchives-xli-b3-137-2016.

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Surface reconstruction using coded structured light is considered one of the most reliable techniques for high-quality 3D scanning. With a calibrated projector-camera stereo system, a light pattern is projected onto the scene and imaged by the camera. Correspondences between projected and recovered patterns are computed in the decoding process, which is used to generate 3D point cloud of the surface. However, the indirect illumination effects on the surface, such as subsurface scattering and interreflections, will raise the difficulties in reconstruction. In this paper, we apply maximum min-SW

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Mukanova, Zhanna, Sabyrzhan Atanov, and Mohammad Jamshidi. "Intelligent Hardware-Software Processing of High-Frequency Scanning Data." Journal of Robotics and Control (JRC) 4, no. 5 (2023): 600–611. http://dx.doi.org/10.18196/jrc.v4i5.18915.

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The constant emission of polluting gases is causing an urgent need for timely detection of harmful gas mixtures in the atmosphere. A method and algorithm of the determining spectral composition of gas with a gas analyzer using an artificial neural network (ANN) were suggested in the article. A small closed gas dynamic system was designed and used as an experimental bench for collecting and quantifying gas concentrations for testing the proposed method. This device was based on AS7265x and BMP180 sensors connected in parallel to a 3.3 V compatible Arduino Uno board via QWIIC. Experimental tests

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Kuwabara, Akihide, Yuki Omori, Hsin-Hui Huang, and Shunsuke Kobayashi. "Atomic-Scale Strucural Analysis of Pt-Based Nanoparticles Using Scanning Transmission Electron Microscopy." ECS Meeting Abstracts MA2022-02, no. 39 (2022): 1445. http://dx.doi.org/10.1149/ma2022-02391445mtgabs.

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Polymer electrolyte fuel cells (PEFCs) is proposed as an alternative to the power generation system in fuel cell vehicles. The performance of the PEFCs is significantly affected by the catalytic activity of the cathode, which contains platinum in general. Recent theoretical studies show that the Pt-Pt interatomic distance at the subsurface of the Pt-based catalysts might considerably influence the catalytic activity. However, experimental evidence remains a challenge due to the requirement of measurement accuracy in picometers at the subsurface. The present work attempts to achieve precise mea

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Belov, N. A., V. N. Timofeev, S. O. Cherkasov, M. M. Motkov, and A. F. Musin. "The Effect of Thermodeformation Treatment on the Structure and Strengthening of the Al–7.1% Zn–2.8% Mg–1.4% Ni–1.1% Fe Alloy Produced via Casting in an Electromagnetic Crystallizer." Физика металлов и металловедение 124, no. 4 (2023): 436–43. http://dx.doi.org/10.31857/s0015323022601106.

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A calculation technique (Thermo-Calc software code) and experimental methods (scanning and transmission electron microscopy and X-ray spectral analysis) have been used to study the effect of thermodeformation treatment on the structure and strengthening of the Al–7.1% Zn–2.8% Mg–1.4% Ni–1.1% Fe alloy produced via casting in an electromagnetic crystallizer (EMC). It has been shown that at a cooling rate higher than 103 K/s, the entire amount of iron, which exceeds its content in the grade AZ6NF alloy (GOST 4784–2019) by two times, is bound into eutectic inclusions of the Al9FeNi phase of a subm

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Awwad, K. Y. Eayal, Khosro Fallahnezhad, B. F. Yousif, et al. "Finite element analysis and experimental validation of polymer–metal contacts in block-on-ring configuration." Friction 12, no. 3 (2023): 554–68. http://dx.doi.org/10.1007/s40544-023-0795-x.

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AbstractThe wear profile analysis, obtained by different tribometers, is essential to characterise the wear mechanisms. However, most of the available methods did not take the stress distribution over the wear profile in consideration, which causes inaccurate analysis. In this study, the wear profile of polymer–metal contact, obtained by block-on-ring configuration under dry sliding conditions, was analysed using finite element modelling (FEM) and experimental investigation. Archard’s wear equation was integrated into a developed FORTRAN–UMESHMOTION code linked with Abaqus software. A varying

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Dong, Y., Debes Bhattacharyya, and P. J. Hunter. "Characterisation and Object-Oriented Finite Element Modelling of Polypropylene/ Organoclay Nanocomposites." Key Engineering Materials 334-335 (March 2007): 841–44. http://dx.doi.org/10.4028/www.scientific.net/kem.334-335.841.

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Although much research work has been conducted on the production and characterisation of polypropylene/organoclay nanocomposites, the effects of nanoscale fillers with respect to actual morphology through numerical modelling have been rarely addressed. This paper describes a unique development from fabrication and experimental characterisation to the numerical modelling of polypropylene/organoclay nanocomposites based on the real mapping of nano/microstructures. Twin screw extrusion is used with a two-step masterbatch compounding method to prepare such nanocomposites with organoclays (ranging

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Kordan, V., O. Zaremba, P. Demchenko, and V. Pavlyuk. "Synthesis and electrochemical properties of LiyM1-xCaxMnO3 (M = Pr, Eu) solid solutions." Physics and Chemistry of Solid State 23, no. 4 (2022): 699–704. http://dx.doi.org/10.15330/pcss.23.4.699-704.

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New Li-containing solid solutions LiyM1-xCaxMnO3 (M = Pr and Eu) were synthesized by electrochemical lithiation of the ceramics with perovskite structure. The qualitative and quantitative composition of the initial and Li-containing ceramics was determined by scanning electron microscopy and energy-dispersive X-ray spectroscopy. The M/Ca/Mn cation ratio was confirmed by X-ray fluorescence spectroscopy. The crystal structure of theM1-xCaxMnO3solid solutions before lithiation (GdFeO3-type structure, space group Pnma, Pearson code oP20) and after lithiation (filled-up GdFeO3-type) was determined

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SAMARIN, NIKOLAY N. "SOLUTION FOR A SOURCE CODE-LESS SOFTWARE INFORMATION SECURITY ASSESSMENT." H&ES Research 13, no. 2 (2021): 25–34. http://dx.doi.org/10.36724/2409-5419-2021-13-2-25-34.

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Introduction: Digitalisation affects all sectors of human activity, resulting in the creation of a variety of software that implements business logic and technical processes in complex systems. Under these conditions, the issue of identifying malware becomes even more important. The solution to this problem is complicated by the lack of source code and the need to quickly make a decision on the presence or absence of malicious functionality. Research Aim: The aim of the research is to create an approach to assess the information security of software without source code. It is proposed that the

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Hanželič, Blaž, Jernej Kralj, Tonica Bončina, et al. "Fatigue Behaviour of Brazed Joints for Heat Exchangers." Materials 17, no. 2 (2024): 479. http://dx.doi.org/10.3390/ma17020479.

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The plate heat exchanger (PHE) is a component that provides heat to be transferred from hot water to domestic cold water without mixing them with high efficiency. Over the lifetime of the PHE, cyclic pressures act on the brazing points and the plates, and this may lead to fatigue failure. The fatigue behaviour of the PHE, designed using copper-brazed 316L stainless steel, was investigated in this study. First, the fatigue tests under the load ratio R = 0.1 were performed on the Vibrophore 100 testing machine to obtain the S-N curve of the analysed brazed joint. Based on the obtained experiment

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CHENG, CHING-CHING, MING-SHING YOUNG, SHANG-WEN YOUNG, and CHANG-LIN CHUANG. "AN INTELLIGENT DIGITAL VOLTAMMETRIC SYSTEM WITH MULTIPLE FUNCTIONS EXECUTED THROUGH STAND-ALONE OPERATION OR PC-CONTROL." Biomedical Engineering: Applications, Basis and Communications 14, no. 05 (2002): 218–36. http://dx.doi.org/10.4015/s1016237202000322.

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This study presents an intelligent voltammetric system consisting of a personal computer and a digital voltammeter with VXIbus architecture of system control board, voltammetric measurement board and electrode evaluation board. System is designed to provide superior, comprehensive, versatile and convenient storage, analysis and display of electrochemical and voltammetric waveforms. Voltammeter is capable of stand-alone operation or direct PC control through a Labview program and serial communication interface. Stand-alone offers several general voltammetric functions such as electrochemical tr

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Kropidłowska, Paulina, Emilia Irzmańska, Łukasz Gołębiowski, Magdalena Jurczyk-Kowalska, and Anna Boczkowska. "Analysis of the Impact Resistance of Toecaps by the Finite Element Method: Preliminary Studies." International Journal of Environmental Research and Public Health 20, no. 1 (2022): 152. http://dx.doi.org/10.3390/ijerph20010152.

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A key property in the manufacture of toecaps for protective footwear is resistance to impacts, deformations, and cracking, as the resulting defects may lead to serious workplace accidents involving the lower extremities. The present paper proposes a new approach to qualitative verification of toecap design based on numerical simulations of impact tests. Computational experiments were conducted for toecaps made from different materials (AISI 10450, S235, S355 and A36 steels, as well as Lexan polycarbonate) and characterized by different geometries, which were recreated by 3D scanning. The impac

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Barbosa, Gustavo Coqui, Luciano Pessanha Moreira, Lílian Barros da Silveira, and Marcelo Costa Cardoso. "Micromechanical Modeling of DP600 and DP800 Steels Plastic Behavior Based on the Mori-Tanaka Homogenization Method." Materials Science Forum 930 (September 2018): 311–16. http://dx.doi.org/10.4028/www.scientific.net/msf.930.311.

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The properties of the dual-phase steels are attributed to the chemical composition, type, size, amount, and spatial distribution of different phases that can be obtained during thermomechanical treatments. In this way, modeling of the mechanical behavior of the dual-phase steel constituents, namely, ferrite and martensite, is crucial to the numerical simulation of sheet metal forming processes mainly to forecast the residual stresses per phase. In this work, the microstructure of as-received DP600 and DP800 cold rolled steel sheets with 1.2 mm nominal thickness were firstly characterized by me

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Asadi, A., S. A. Hosseini, A. Akhavanallaf, N. Vosoughi, and H. Zaidi. "Comparative assessment of passive scattering and active scanning proton therapy techniques using Monte Carlo simulations." Journal of Instrumentation 17, no. 09 (2022): P09008. http://dx.doi.org/10.1088/1748-0221/17/09/p09008.

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Abstract Background: in this study, two proton beam delivery designs, i.e. passive scattering proton therapy (PSPT) and pencil beam scanning (PBS), were quantitatively compared in terms of dosimetric indices. The GATE Monte Carlo (MC) particle transport code was used to simulate the proton beam system; and the developed simulation engines were benchmarked with respect to the experimental measurements. Method: a water phantom was used to simulate system energy parameters using a set of depth-dose data in the energy range of 120–235 MeV. To compare the performance of PSPT against PBS, multiple d

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Kaundal, Ritesh, Amar Patnaik, and Alok Satapathy. "Mechanical characterizations and development of erosive wear model for Al2O3-filled short glass fiber-reinforced polymer composites." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 232, no. 11 (2016): 893–908. http://dx.doi.org/10.1177/1464420716654307.

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In the present work, short glass fiber-reinforced polyester-based hybrid composites are fabricated by the incorporation of Al2O3 particulates with three different weight percentages (0 wt.%, 10 wt.% and 20 wt.%) to evaluate their physical, mechanical, and thermo-mechanical behavior. A theoretical model has been developed for erosive wear conditions and results are compared with the experimental outcomes in order to validate the model. The mechanical properties are simulated using an explicit FE code software ANSYS. In this work, erosion test is conducted by using popular evolutionary Taguchi’s

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Bungartz, H.-J., M. Kuehn, M. Mehl, M. Hausner, and S. Wuertz. "Fluid flow and transport in defined biofilms: experiments and numerical simulations on a microscale." Water Science and Technology 41, no. 4-5 (2000): 331–38. http://dx.doi.org/10.2166/wst.2000.0463.

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As in other fields of science and engineering, the need to understand and predict biofilm systems both on a physical and on a technical scale results in an increasing demand for reliable and efficient numerical simulations of the different processes that take place within biofilms. For that, the expertise of biofilm specialists on the one hand and modern computational techniques on the other hand have to be brought together. In this paper, we present results of a combined and interdisciplinary attempt to simulate fluid flow and transport in defined pure-culture biofilms at the level of continu

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Barannik, Volodymyr, Dmytro Havrylov, Serhii Pantas, et al. "THE METHOD OF ADAPTIVE STATISTICAL CODING TAKING INTO ACCOUNT THE STRUCTURAL FEATURES OF VIDEO IMAGES." Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska 14, no. 4 (2024): 109–14. https://doi.org/10.35784/iapgos.6132.

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The paper proposes a method of improved adaptive integral arithmetic coding. This method is advisable to use in the technology of multi-level processing of video data based on the JPEG method. The technology is based on the detection of key information at several stages of video data processing. To reduce the output volume, the RLE algorithm and integral arithmetic coding are adapted to the new structure of the input data. Thus, the method of linearization of two-dimensional transformants based on zig-zag scanning was further developed. The differences of the method consist in carrying out vec

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De Lisi, Michele, Nikolina Kovacev, Usama M. Attia, and Khamis Essa. "Numerical Simulation of Sintering of DLP Printed Alumina Ceramics." Aerospace 9, no. 7 (2022): 336. http://dx.doi.org/10.3390/aerospace9070336.

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Digital Light Processing (DLP) technology exhibits the capability of producing components with complex structures for a variety of technical applications. Postprocessing of additively printed ceramic components has been shown to be an important step in determining the final product resolution and mechanical qualities, particularly with regard to distortions and resultant density. The goal of this research is to study the sintering process parameters to create a nearly fully dense, defect-free, ceramic component. A high-solid-loading alumina slurry with suitable rheological and photopolymerisab

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Carter, Esther, Caroline Douglas, and John Saxton. "Green2Gold: Piloting ‘Team GB Family Activity Trails’ as a green exercise project for improving wellbeing and outdoor physical activity engagement in the East Riding of Yorkshire." Graduate Journal of Sports Science, Coaching, Management, & Rehabilitation 1, no. 3 (2024): 20. http://dx.doi.org/10.19164/gjsscmr.v1i3.1503.

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Systematic review evidence suggests that participation in green exercise (GE; Coventry et al., 2021, SSM-Population Health, 16, 100934) including walking (Hanson and Jones, 2015, Brit J Sports Med, 49, 710-715) can positively impact health and wellbeing. The aim of the project, titled ‘Green2Gold’, was to collaborate with The British Olympic Association to co-create ‘Team GB Family Activity Trails’, a novel GE intervention, in two locations. Signposts were installed along the walking routes containing co-designed activities linked to Olympic sports, physical activity (PA), and nature. Each sig

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Sier, Ha, Qingqing Li, Xianjia Yu, Jorge Peña Queralta, Zhuo Zou, and Tomi Westerlund. "A Benchmark for Multi-Modal LiDAR SLAM with Ground Truth in GNSS-Denied Environments." Remote Sensing 15, no. 13 (2023): 3314. http://dx.doi.org/10.3390/rs15133314.

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LiDAR-based simultaneous localization and mapping (SLAM) approaches have obtained considerable success in autonomous robotic systems. This is in part owing to the high accuracy of robust SLAM algorithms and the emergence of new and lower-cost LiDAR products. This study benchmarks the current state-of-the-art LiDAR SLAM algorithms with a multi-modal LiDAR sensor setup, showcasing diverse scanning modalities (spinning and solid state) and sensing technologies, and LiDAR cameras, mounted on a mobile sensing and computing platform. We extend our previous multi-modal multi-LiDAR dataset with additi

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Dohan Ehrenfest, David M., Lydia Vazquez, Yeong-Joon Park, Gilberto Sammartino, and Jean-Pierre Bernard. "Identification Card and Codification of the Chemical and Morphological Characteristics of 14 Dental Implant Surfaces." Journal of Oral Implantology 37, no. 5 (2011): 525–42. http://dx.doi.org/10.1563/aaid-joi-d-11-00080.

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Dental implants are commonly used in daily practice; however, most surgeons do not really know the characteristics of these biomedical devices they are placing in their patients. The objective of this work is to describe the chemical and morphological characteristics of 14 implant surfaces available on the market and to establish a simple and clear identification (ID) card for all of them, following the classification procedure developed in the Dohan Ehrenfest et al (2010) Codification (DEC) system. Fourteen implant surfaces were characterized: TiUnite (Nobel Biocare), Ospol (Ospol), Kohno HRP

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Adak M. "Exploring the Influence of Plate Thickness Variations On 3D Temperature Distribution in Butt-Joint Welding using the Finite Difference Method." Communications on Applied Nonlinear Analysis 32, no. 9s (2025): 1158–70. https://doi.org/10.52783/cana.v32.4121.

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This research explores the effects of different plate thicknesses on the three-dimensional temperature distribution modeling in Butt-Joint welding using the finite difference approximation. Through computational simulations, the study investigates how varying plate thickness influences temperature profiles within welded structures. The findings offer insights into the thermal behavior of welds with varying thicknesses, aiding in the optimization of welding processes for enhanced efficiency and quality. Key aspects addressed include the formulation of governing heat transfer equations, treatmen

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Toyoda, Masahiro, and Shouta Ohkuma. "Preparation of Porous Carbon from SB-HPC (Sub-Bitumious) Solution Derived from Low Quality Coal and Its Application to EDLC." ECS Meeting Abstracts MA2022-01, no. 1 (2022): 12. http://dx.doi.org/10.1149/ma2022-01112mtgabs.

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Introduction Hypercol (HPC), which is ashless coal obtained from thermal extraction of coal, is soluble in organic solvents and is mainly produced by carbonization of carbon precursors prepared by the precipitation method from its solution. Porous carbon mainly with micropores can be obtained from HPC by the precipitation method. Porous carbon prepared from SB-HPC, which is an HPC derived from low-grade coal, has a high specific surface area and abundant micropores. It has been clarified that the electrode material used for EDLC is preferably a material having a high specific surface area and

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Pashkevych, Volodymyr, Petro Haraniuk, Nataliya Luzhetska, et al. "RESEARCH OF SENSITIVE ELEMENTS OF THERMOELECTRIC CONVERTERS BASED ON Hf1-xNbxNiSn." Measuring Equipment and Metrology 86 (2025): 22–29. https://doi.org/10.23939/istcmtm2025.01.022.

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The results of modeling and experimental studies of the structural, magnetic, electrokinetic and energy properties of the thermometric material Hf1-xNbxNiSn, as well as the conversion functions of the sensitive elements of a thermoelectric thermometer based on it at temperatures of 4.2–1000 K are presented. For the case of an ordered variant of the crystal structure of the thermometric material, the simultaneous generation of donor and acceptor states in the forbidden band εg of the semiconductor is established. The dependence between the spatial arrangement of atoms in the nodes of the Hf1-xN

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Krayovskyy, Volodymyr, Petro Haraniuk, Andrii Horpeniuk, et al. "SIMULATION OF CHARACTERISTICS OF SENSITIVE ELEMENTS OF TEMPERATURE CONVERTERS BASED ON TiCo1-xCrxSb." Measuring Equipment and Metrology 85, no. 4 (2024): 30–36. https://doi.org/10.23939/istcmtm2024.04.030.

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The results of modeling the thermodynamic, structural, and kinetic properties of the thermometric material TiCo1-xCrxSb, x=0–0.10, as well as the conversion functions of sensitive elements of a thermoelectric converter based on it in the temperature range of 4.2–1000 K are presented. The results presented continue the research of sensitive elements of temperature converters based on basic semiconductor thermometric material TiCoSb. Previous studies of the structural, energetic, and kinetic properties of TiCoSb showed that its crystal structure is disordered, and there are vacancies in the crys

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Roskó, Tibor. "Shesmu DBDsys: QR-code generation and scanning experimental analyses." August 10, 2020. https://doi.org/10.5281/zenodo.3978427.

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This repository stores the own implemented script and the test results generated by it. The subject of experimental analyses was the goQR.me APIs, and determining the maximum characters encoded in a QR-code can be scanned with a smart phone.

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Wei, Bo, Huanying Chen, and Zhaoji Huang. "Design of network security processing system in 5G/6gNG-DSS of intelligent model computer." Intelligent Decision Technologies, August 28, 2023, 1–16. http://dx.doi.org/10.3233/idt-230143.

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In order to solve the problem of low accuracy of evaluation results caused by the impact of throughput and transmission delay on traditional systems in 6G networks, this paper proposes a design method of network security processing system in 5G/6gNG-DSS of intelligent model computer. Supported by the principle of active defense, this paper designs a server-side structure, using ScanHome SH-800/400 embedded scanning module barcode QR code scanning device as the scanning engine. We put an evaluation device on the RISC chip PA-RISC microprocessor. Once the system fails, it will send an early warn

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Liu, Yongtao, Martí Checa, and Rama K. Vasudevan. "Synergizing Human Expertise and AI Efficiency with Language Model for Microscopy Operation and Automated Experiment Design." Machine Learning: Science and Technology, May 31, 2024. http://dx.doi.org/10.1088/2632-2153/ad52e9.

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Abstract With the advent of large language models (LLMs), in both the open source and proprietary domains, attention is turning to how to exploit such artificial intelligence (AI) systems in assisting complex scientific tasks, such as material synthesis, characterization, analysis and discovery. Here, we explore the utility of LLMs, particularly ChatGPT4, in combination with application program interfaces (APIs) in tasks of experimental design, programming workflows, and data analysis in scanning probe microscopy, using both in-house developed APIs and APIs given by a commercial vendor for ins

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Ward, Christopher, Russell Pier, Mariana Garcia Acosta, et al. "Physiology at scale – lessons learned and implementation of high throughput neonate autoresuscitation screening to model SIDS risk." Physiology 40, S1 (2025). https://doi.org/10.1152/physiol.2025.40.s1.1165.

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Facemask pneumotachography is a common, precise experimental approach for measuring respiratory outcomes, including in neonatal rodents aged postnatal day 7-8. Pneumotachography has been applied in autoresuscitation experiments that inform upon Sudden Infant Death Syndrome (SIDS) where failure of autoresuscitation is hypothesized to be a common endpoint. However, current approaches rely on an experimenter’s direct real-time waveform interpretation and highly variable reaction times to change gas exposures. We have developed Looper, which represents a novel and significant improvement on the ty

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Meginniss, Anne, Courtney Coffey, and Kristen D. Clark. "Simulated medication administration for vulnerable populations using scanning technology: a quasi-experimental pilot study." BMC Nursing 23, no. 1 (2024). http://dx.doi.org/10.1186/s12912-024-02248-6.

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Abstract Background Medication errors may occur due to shortcuts and pressures on time and resources on nurses. Nursing students are enculturated into these environments where their perceptions of norms around reporting and responding to medication errors are formative, yet simulated medication administration experiences are rarely reflective of the real-world environment. such as the standard use of medication scanning technology. The purpose of the present study is to test a pilot intervention, Medication Quick Response (QR) code scanning, and evaluate its effect on medication errors during

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Qin, Zhe, Runchang Zhang, Weizheng Mao, Jihuan Han, Zhiwen Li, and Sunhao Zhang. "A meso‐damage‐based constitutive model for yellow sandstone under dry–wet cycles." Deep Underground Science and Engineering, February 25, 2024. http://dx.doi.org/10.1002/dug2.12071.

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AbstractThe mechanical properties of rocks weaken under dry–wet cycles. This weakening may significantly modify the safety reserve of underground caverns or reservoir bank slopes. However, meso‐damage has not been carefully studied based on micromechanical observations and analyses. Therefore, in this study, meso‐damage of a yellow sandstone is investigated and a meso‐damage‐based constitutive model for dry–wet cycles is proposed. First, computed tomography scanning and uniaxial compression tests were conducted on yellow sandstones under different dry–wet cycles. Second, the evolution of rock

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Bina, Keivan. "Numerical Study of Supercritical Flow over Mesh-panel Bottom Rack Used to Estimate the Dividing Discharge Streamline in Clear Water Conditions." Jordan Journal of Civil Engineering 19, no. 1 (2025). https://doi.org/10.14525/jjce.v19i1.07.

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Bottom racks are critical for diverting flow for small hydropower projects. This study investigates the hydraulic behavior of a mesh-panel bottom rack, comprising longitudinal and transverse bars, under clear-water conditions using a numerical model developed with the Flow-3D finite volume code. The research focuses on the discharge dividing streamline (DDS) and derives an empirical regression equation for its position based on model results. The numerical model is calibrated and validated against experimental data from Bina and Saghi (2017), yielding average relative errors of 3.4% for divert

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Yilbas, B. S., S. S. Akhtar, and C. Karatas. "Laser Cutting of Small Diameter Holes Into Alumina Tiles: Thermal Stress Analysis." Journal of Manufacturing Science and Engineering 133, no. 2 (2011). http://dx.doi.org/10.1115/1.4003737.

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Laser cutting of small diameter holes in alumina tiles is carried out. Temperature and stress fields are predicted numerically using the ABAQUS finite element code. The cut sections are examined by incorporating scanning electron microscope and optical microscope. The residual stress developed in the cutting section is determined using the X-ray diffraction technique. It is found that high residual stresses are formed in the cutting section, and predictions agree well with the experimental results. The laser cut edges are found to be free from the large cracks. However, interconnected shallow

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