Search Results - "3d modeling"

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  1. 1

    ALGORITHM OF PREPARATION OF THE TRAINING SAMPLE USING 3D-FACE MODELING by D. I. Samal, I. I. Frolov

    Published 2017-01-01

    The algorithm of preparation and sampling for training of the multiclass qualifier of support vector machines (SVM) is provided. The described approach based on the modeling of possible changes of the face features of recognized person. Additional features like perspectives of shooting, conditions o...

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    Subjects: “…3d-modeling…”
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  2. 2

    AUTOMATIC GENERATION OF ROAD INFRASTRUCTURE IN 3D FOR VEHICLE SIMULATORS by Adam Orlický

    Published 2017-12-01

    One of the modern methods of testing new systems and interfaces in vehicles is testing in a vehicle simulator. Providing quality models of virtual scenes is one of tasks for driver-car interaction interface simulation. Nowadays, there exist many programs for creating 3D models of road infrastructure...

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    Subjects: “…vehicle simulator, Road design, 3D modeling…”
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  3. 3

    The use of biocompatible composite scaffolds in oncology by O. I. Kit, A. Yu. Maksimov, I. A. Novikova, A. S. Goncharova, E. A. Lukbanova, A. O. Sitkovskaya, V. G. Volovik, S. V. Chapek

    Published 2022-03-01

    Modern tissue engineering approaches are aimed at developing scaffolds that contribute to the development of the whole variety of intercellular interactions that imitate those in a real object.The purpose of the study was to collect and summarize the data on the creation and use of three-dimensional...

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  4. 4

    Analyzing the maxillary sinuses using 3D-modeling by O. V. Zeleva, A. V. Kolsanov, P. M. Zel'ter, E. A. Sidorov

    Published 2023-01-01

    Introduction. The study of the anatomy of the maxillary sinuses using computed tomography (CT) techniques is an important area of scientific research. The most developing technique that allows you to move from planar images to a picture that clearly represents the shape of the anatomical structure a...

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  5. 5

    3D modeling of bolus for producing by prototyping and use in radiation therapy by Larissa Cristina Silva dos Santos, José Wilson Vieira, Fernando Roberto de Andrade Lima, Alex Cristóvão Holanda de Oliveira

    Published 2023-07-01

    Due to its vast number of occurrences, cancer has caused an economic impact on the public and supplementary health care sectors. It is estimated that more than 50% of patients diagnosed with malignant neoplasms need radiotherapy at some stage of their treatment, most of them treated with photon and/...

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  6. 6

    Vizualizing of MTS data by the method of scalar impedances for numerical models of elementary conducting structures by T.I. Prychepiy

    Published 2014-06-01

    The work is devoted to the analysis of a possibility and traits of use of the method of scalar impedances for the purpose of visualizing the results of MTS. It is made by the example of a number of elementary structures, for which the values of anomalously electromagnetic field was calculated by the...

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  7. 7

    Research on the Digital Twin System of Welding Robots Driven by Data by Saishuang Wang, Yufeng Jiao, Lijun Wang, Wenjie Wang, Xiao Ma, Qiang Xu, Zhongyu Lu

    Published 2025-06-01

    With the rise of digital twin technology, the application of digital twin technology to industrial automation provides a new direction for the digital transformation of the global smart manufacturing industry. In order to further improve production efficiency, as well as realize enterprise digital e...

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  8. 8

    Evaluating 3D Hand Scanning Accuracy Across Trained and Untrained Students by Ciprian Glazer, Mihaela Oravitan, Corina Pantea, Bogdan Almajan-Guta, Nicolae-Adrian Jurjiu, Mihai Petru Marghitas, Claudiu Avram, Alexandra Mihaela Stanila

    Published 2025-07-01

    <i>Background and Objectives:</i> Three-dimensional (3D) scanning is increasingly utilized in medical practice, from orthotics to surgical planning. However, traditional hand measurement techniques remain inconsistent and prone to human error and are often time-consuming. This research e...

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  9. 9

    On a possibility of usage of the scalar impedances for solving the inverse MTS problem for three-dimensional models by T. I. Prichepiy

    Published 2016-07-01

    A review of the results of calculating of seeming specific resistance for a set of elementary models by scalar impedance method, in particular, by impedance parameter z has been given in the article. The values of electromagnetic field parameters of the models have been calculated by the Mackie 199...

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  10. 10

    Research on the application of digital twin technology for intelligent substations by GAO Yang, ZHAO Kuangyi, FU Yuhong, ZHANG Jinwei, LIU Hongyu, GUO Jia

    Published 2025-06-01

    As the core hub of the power grid system, substations undertake the key task of digital transformation of the power grid. The application of digital twin technology in intelligent substations was explored deeply to improve the efficiency of substation operation and maintenance management and equipme...

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  11. 11

    Improvement of forensic medical diagnosis of projectile type injuries from automatic firearm chambered in 5.45 mm caliber through spatial 3D modeling by Y.G. Zmiyevska, K. Tryubner, I.G. Savka

    Published 2024-04-01

    Spatial 3D modeling has become one of the modern and most accurate evidential methods of research, carving out its niche in various fields of medical science and practice. Therefore, our focus has been on laying the groundwork for its implementation in the process of conducting forensic medical exa...

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  12. 12

    Segmentation of focal liver lesions and virtual resection based on computed tomography data by P. M. Zelter, A. V. Kolsanov, Yu. S. Pyshkina

    Published 2021-04-01

    The aim of the study was to test the work of plugins for segmentation and virtual resection of focal liver lesions based on CT data.Materials and methods. Analysis of CT data of the abdominal organs with bolus contrast enhancement in 80 patients with focal liver lesions was carried out. Segmentation...

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  13. 13

    REENGINEERING OF OPEN SOFTWARE SYSTEM OF 3D MODELING BRL-CAD by Stanislav Velykodniy

    Published 2019-09-01

    Computer Graphics is an up-to-date industry in the design and application of rapidly evolving computing systems. The subject of the work is designing a graphical user interface. The purpose of the work is to perform reengineering (evolutionary improvement while maintaining the positive qualities tha...

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  14. 14

    Profile Aspects of Graphic Education at Polytechnic University by Irina D. Stolbova, Evgeniya P. Aleksandrova, Lyudmila V. Kochurova, Konstantin G. Nosov

    Published 2019-03-01

    Availability of qualified engineering personnel for high-tech industries is a topical problem today. To close the gap between the practice of polytechnic education and real engineering activities, it is necessary to introduce innovative educational technologies aimed at developing students’ ability...

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  15. 15

    GEOMETRIC MODELING AS A TOOL TO IMPROVE THE QUALITY OF GRAPHIC TRAINING OF STUDENTS by Evgeniya P. Aleksandrova, Konstantin G. Nosov, Irina D. Stolbova

    Published 2016-05-01

    The article discusses the potential use of modern computer technology in the framework of geometrical graphic training students at the Technical University. Examples of solving problems of geometric modeling based on the basic provisions of descriptive geometry and using instrumental possibilities o...

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  16. 16

    Segmentation of renal structures based on contrast computed tomography scans using a convolutional neural network by I. М. Chernenkiy, M. M. Chernenkiy, D. N. Fiev, E. S. Sirota

    Published 2023-03-01

    Aim. Develop a neural network to build 3D models of kidney neoplasms and adjacent structures.   Materials and methods. DICOM data (Digital Imaging and Communications in Medicine standard) from 41 patients with kidney neoplasms were used. Data included all phases of contrast-enhanced multispiral comp...

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  17. 17

    Numerical Study on the Influence of Inlet Blockage Ratios and Flow Conditions on Scour Development in Circular Culverts by Salam Hussein Sulaiman, Kaywan Othman Ahmed, Mohsen Isari, Jamil Bahrami

    Published 2025-06-01

    This study evaluates the effectiveness of Flow-3D numerical simulations in predicting the scour profile, depth, and location downstream of circular culverts under varying flow conditions. Two hydrographs with peak flows of 13.8 l/s and 20 l/s were used to simulate unsteady flow conditions. Each hydr...

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  18. 18

    Experience in Documenting and Visualizing Small Artifacts: a case study of Palmyrene tesserae from the Pushkin State Museum of fine arts collection by Maria G. Bodrova, Alexey K. Lyavdansky

    Published 2025-04-01

    The paper presents the experience of 3D modeling (photogrammetry) of nine small-sized archaeological artifacts from the collection of the Pushkin State Museum of Fine Arts. The objects of study are tesserae with shallow impressions and signs of wear, which required the use of macro photography and s...

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  19. 19

    Utilizing SS-OCT and 3D parametric modeling to enhance IOL position prediction in cataract patients with long axial length by Chuang Li, Bin Luo, Xiaoling Luo, Liying Zhang, Qiang Li, Wei Peng

    Published 2025-06-01

    PurposeThis study aimed to investigate the biological characteristics of the lens and explore the factors influencing the postoperative position of intraocular lens (IOL) using swept-source optical coherence tomography (SS-OCT) in cataract patients with long axial length (AL).MethodsThis retrospecti...

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  20. 20

    3D-modeling Capabilities in Assessing Resectability of Pancreatic Head Tumors by A. S. Kudashkina, I. G. Kamyshanskaya, K. V. Pavelets, D. S. Rusanov, S. А. Kalyuzhnyy

    Published 2024-01-01

    Background. Pancreatic head cancer ranks 6–7th among oncologic diseases and 4–5th among causes of mortality, with only 5% of patients achieving 5-year survival rate to date. Despite the successes of modern diagnostics and surgical treatment, the problem of early detection, staging of oncologic proce...

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