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Oleksandr Reuta,Hadi Hab Raman,Dmitry Mozgovoy
Pág. 6 - 16
A matrix model of the representation of spatial objects for the synthesis, reconstruction, and analysis of their shape is proposed. The model is built on the basis of discrete data about the object, such as, for example, raster images or readings of spat...
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D Rohendi,Y Wihardi
Pág. pp. 48 - 60
Learning three-dimensional shape of geometry is important for improving students? spatial abilities. However, the concept of three-dimensional shape is still considered as one of difficult subject matters for teacher to teach and for student to understan...
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Pengcheng Yin, Jiyi Zhang, Xiying Sun, Di Hu, Zhifeng Shi and Chengyan Wu
Vertex concavity-convexity detection for spatial objects is a basic algorithm of computer graphics, as well as the foundation for the implementation of other graphics algorithms. In recent years, the importance of the vertex concavity-convexity detection...
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Massimo Di Stefano and Larry Alan Mayer
A model for the extraction and quantitative characterization of submarine landforms from high-resolution digital bathymetry is presented. The procedure is fully automated and comprises two parts. The first part consists of an analytical model which extra...
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Massimo Di Stefano and Larry Alan Mayer
A model for the extraction and quantitative characterization of submarine landforms from high-resolution digital bathymetry is presented. The procedure is fully automated and comprises two parts. The first part consists of an analytical model which extra...
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Ka Seng Chou, Teng Lai Wong, Kei Long Wong, Lu Shen, Davide Aguiari, Rita Tse, Su-Kit Tang and Giovanni Pau
This research addresses the challenges of visually impaired individuals? independent travel by avoiding obstacles. The study proposes a distance estimation method for uncontrolled three-dimensional environments to aid navigation towards labeled target ob...
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Muhammad Yasar Razzaq, Joamin Gonzalez-Gutierrez, Gregory Mertz, David Ruch, Daniel F. Schmidt and Stephan Westermann
Four-dimensional (4D) printing technology, as a next-generation additive manufacturing method, enables printed objects to further change their shapes, functionalities, or properties upon exposure to external stimuli. The 4D printing of programmable and d...
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Ale? Procházka, Tatjana Dostálová, Magdaléna Ka?parová, Oldrich Vy?ata, Hana Charvátová, Saeid Sanei and Vladimír Marík
Augmented reality has a wide range of applications in many areas that can extend the study of real objects into the digital world, including stomatology. Real dental objects that were previously examined using their plaster casts are often replaced by th...
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Gennadiy V. Averin,Anna V. Zviagintseva,Igor S. Konstantinov,Angela A. Shvetsova
It is proposed to use the principle of corresponding states and the principle of distance invariance in multidimensional phase spaces to create models of systems of various nature based on experimental or statistical information presented in the form of ...
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Jian Huang, Xiangxu Lei, Guangyu Zhao, Lei Liu, Zhenwei Li, Hao Luo and Jizhang Sang
For Geosynchronous Earth Orbit (GEO) objects, space-based optical surveillance has advantages over regional ground surveillance in terms of both the timeliness and space coverage. However, space-based optical surveillance may only collect sparse and shor...
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Luca Tonti and Alessandro Patti
Collision between rigid three-dimensional objects is a very common modelling problem in a wide spectrum of scientific disciplines, including Computer Science and Physics. It spans from realistic animation of polyhedral shapes for computer vision to the d...
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Eugenia Namiot
Pág. 94 - 99
Augmented reality is an actual trend in modern computer engineering. The main task of augmented reality is to transfer three-dimensional virtual objects in real-time into a three-dimensional real environment. This technology differs from virtual reality ...
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Chiuhsiang Joe Lin, Dino Caesaron and Bereket Haile Woldegiorgis
Recent developments in virtual environment applications allow users to interact with three-dimensional (3D) objects in virtual environments. As interaction with 3D objects in virtual environments becomes more established, it is important to investigate u...
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Qiang Li, Huan Deng, Senlin Pang, Wenhao Jiang and Qionghua Wang
In this paper, we propose a reflective augmented reality (AR) display system based on integral imaging (II) using a mirror-based pinhole array (MBPA). The MBPA, obtained by punching pinholes on a mirror, functions as a three-dimensional (3D) imaging devi...
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Andrzej Stateczny, Witold Kazimierski, Pawel Burdziakowski, Weronika Motyl and Marta Wisniewska
Autonomous surface vehicles (ASVs) are becoming more and more popular for performing hydrographic and navigational tasks. One of the key aspects of autonomous navigation is the need to avoid collisions with other objects, including shore structures. Duri...
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Weite Li, Kenya Shigeta, Kyoko Hasegawa, Liang Li, Keiji Yano, Motoaki Adachi and Satoshi Tanaka
In this paper, we propose a method to visualize large-scale colliding point clouds by highlighting their collision areas, and apply the method to visualization of collision simulation. Our method uses our recent work that achieved precise three-dimension...
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Mingjun Ren, Runxing Liu, Haibo Hong, Jieji Ren and Gaobo Xiao
Although four-dimensional (4D) light field imaging has many advantages over traditional two-dimensional (2D) imaging, its high computation cost often hinders the application of this technique in many fields, such as object detection and tracking. This pa...
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Yaoqiang Pan, Xvlin Xiao, Kewei Hu, Hanwen Kang, Yangwen Jin, Yan Chen and Xiangjun Zou
In an unmanned orchard, various tasks such as seeding, irrigation, health monitoring, and harvesting of crops are carried out by unmanned vehicles. These vehicles need to be able to distinguish which objects are fruit trees and which are not, rather than...
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Taehoon Kim, Kyoung-Sook Kim and Ki-Joune Li
With the development of indoor positioning methods, such as Wi-Fi positioning, geomagnetic sensor positioning, Ultra-Wideband positioning, and pedestrian dead reckoning, the area of location-based services (LBS) is expanding from outdoor to indoor spaces...
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Yahya Alshawabkeh, Ahmad Baik and Yehia Miky
Digital 3D capture and reliable reproduction of architectural features is the first and most difficult step towards defining a heritage BIM. Three-dimensional digital survey technologies, such as TLS and photogrammetry, enable experts to scan buildings w...
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