3D Computer Graphics - Science topic

In a non-uniform blurred scene, pixels in other places in the blurred image undergo a downgrading process, which makes it difficult to accurately estimate the blur kernel. The method based on deep learning can directly realize image deblurring without estimating the blur kernel. Therefore, in this article, we will use deep learning methods to study...

Current deep models provide remarkable object detection in terms of object classification and localization. However, estimating object rotation with respect to other visual objects in the visual context of an input image still lacks deep studies due to the unavailability of object datasets with rotation annotations. This paper tackles these two cha...

This study investigates novel exact solutions to the conformable resonant Schrödinger equation. For this purpose, two reliable techniques are employed involving the generalized Kudryashov and exponential rational function procedures. The 3D graphics of some obtained solutions are also given. The investigated equation is very important to the field...

This paper focuses on the development of a virtual training system by applying simulation techniques such as: Full Simulation and Hardware-in-the-Loop (HIL). This virtual reality system is intended to be a teaching and learning tool focused on the area of industrial robotics. For this purpose, mathematical models (kinematic and dynamic) have been c...

There are many excellent plotting libraries. Each excels at a specific use case: one is particularly suited for creating printable 2D figures for publication, another for generating interactive 3D graphics, while a third may have excellent LATEX integration or be ideal for creating dashboards on the web. The aim of Plots.jl is to enable the user to...

Liver cancer is the second leading cause of cancer death worldwide. Early tumor detection may help identify suitable treatment and increase the survival rate. Medical imaging is a non-invasive tool that can help uncover abnormalities in human organs. Magnetic Resonance Imaging (MRI), in particular, uses magnetic fields and radio waves to differenti...

A central challenge in 3D scene perception via inverse graphics is robustly modeling the gap between 3D graphics and real-world data. We propose a novel 3D Neural Embedding Likelihood (3DNEL) over RGB-D images to address this gap. 3DNEL uses neural embeddings to predict 2D-3D correspondences from RGB and combines this with depth in a principled man...

The term metaverse is described as the next iteration of the Internet. Metaverse is a virtual platform that uses extended reality technologies, i.e. augmented reality, virtual reality, mixed reality, 3D graphics, and other emerging technologies to allow real-time interactions and experiences in ways that are not possible in the physical world. Comp...

Unexploded Ordnances (UXOs) are considered a global concern and a persistent hazard due to their capability to endanger civilians and the place where they are located, and the probability of remaining active explosives even after decades of ending a conflict. Hence, risk education is crucial for providing individuals with life-saving knowledge on r...

Introduction: Defence Research and Development Canada is developing guidance on the use of Mixed Reality head-mounted displays for naval operations in the Royal Canadian Navy. Virtual reality head-mounted displays display graphics to the user in 3D and completely occlude the user’s view of the real world. Mixed Reality head-mounted displays overlay...

This paper proposes an indoor location-based augmented reality framework (ILARF) for the development of indoor augmented-reality (AR) systems. ILARF integrates an indoor localization unit (ILU), a secure context-aware message exchange unit (SCAMEU), and an AR visualization and interaction unit (ARVIU). The ILU runs on a mobile device such as a smar...

In this study, the uses of unified method for finding solutions of a nonlinear Schrodinger equation that describes the nonlinear spin dynamics of (2+1) dimensional Heisenberg ferromagnetic spin chains equation. We successfully construct solutions to these equations. For each of the derived solutions, we provide the parametric requirements for the e...

The compressible Murnaghan’s materials composed in the hyperelastic rod describing the far-field equation as the KdV equation for the weak nonliear waves traversing inside the rod is studied with the F expansion method and solved to get the exact elliptic function solutions. The necessary condition for the each Jacobi solutions are reported. The 2D...

After the COVID-19 pandemic the use of face masks has become a common practice in many situations. Partial occlusion of the face due to the use of masks poses new challenges for facial expression recognition because of the loss of significant facial information. Consequently, the identification and classification of facial expressions can be negati...

This article investigates the optical soliton solutions of the time-fractional Biswas–Arshed (BA) equation, which is a new model for soliton transmission through optical fibers where the eigen-phase modulation is negligible and thus removed. We have studied both models including M-truncated or beta derivative operators. Firstly, the time-fractional...

Rendering animations into 2D or 3D involves sequential proceeding of inputs. This causes operational bottleneck, resulting in expensive and lengthy inefficient processes. In this paper, an efficient Blender-based software for creating 3D animations from related sources is proposed. It introduces a horizontally scaled and concurrent rendering of mul...

In this paper, we look at the (4 + 1)‐dimensional stochastic Fokas equation (SFE) perturbed in the Itô sense by white noise. The tanh‐coth method and mapping method are used to acquire new trigonometric, hyperbolic, elliptic, and rational stochastic solutions. Also, we extend some earlier studies. Because the SFE equation is essential for describin...

The study analyzed leaves of ivy, Hedera helix L., in order to characterize the geometry of the leaves. The leaf samples were taken from the Protected Area "Padurea Cenad", Timis County, Romania. The dimensions of the leaves (L, w) were determined by measurement, with a precision of 0.5 mm. The leaves were scanned, 1:1 ratio. From the analysis of t...

The Graphics Processing Unit (GPU) has become one of the most important types of hardware accelerators. It is designed to render 3D graphics and videos and still is core to the gaming industry. Besides creating stunning visual effects, programmers also take advantage of the GPU’s advantage in parallel processing in many fields to perform computing-...

This paper discusses the opportunities for using cinematic virtual reality (CVR) to enhance our understanding of the imagined metaverse – the recently emerged new digital age phenomenon. The paper approaches the concept of the metaverse from an interaction point of view, which is one of the more common characteristics used to conceptualise the meta...

In this study, Kraenkel-Manna-Merle (KMM) system is discussed. Sine-Gordon expansion method (SGEM), which is one of the solution methods of nonlinear evolution equations (NLEEs), has been applied to this system. Thus, some dark soliton, bright soliton and dark-bright soliton solutions of the KMM system have been obtained. In addition, by giving spe...

It can be easy and even fun to sketch humans in different poses. In contrast, creating those same poses on a 3D graphics "mannequin" is comparatively tedious. Yet 3D body poses are necessary for various downstream applications. We seek to preserve the convenience of 2D sketching while giving users of different skill levels the flexibility to accura...

In this article, we investigate non-traveling wave solutions for the (2+1)-dimensional extended variable coefficients Bogoyavlenskii-Kadomtsev-Petviashvili equation with time-dependent coefficients (VC-BKP). Inspired by Prof. Shang, we apply the extended three-wave method and the generalized variable separation method to the investigated problem fo...

In this paper, the new generalized Radhakrishnan–Kundu–Lakshmanan equations with powers of nonlinearity are studied, which is one of the important mathematical models in nonlinear optics. Using the complex envelope traveling wave solution, the new generalized Radhakrishnan–Kundu–Lakshmanan equations are transformed into the nonlinear systems of ord...

Los grafismos tienen una importancia capital en las retransmisiones deportivas actuales, ya que contribuyen a la comprensión del evento, definen la identidad visual de las competiciones y ayudan a la espectacularización de estos acontecimientos. Este estudio se centra en las representaciones gráficas de datos en las retransmisiones de fútbol de LaL...

Generalized Kudryashov method (GKM), which is one of the solution methods of nonlinear evolution equations (NLEEs), has been used to obtain some solutions of Ivancevic option pricing model (IOPM) and (3+1)-dimensional nonlinear wave equation (NLWE) in liquid with gas bubbles. Thus, some solutions of the discussed equations have been found such as d...

Nowadays, different perovskite structures are widely investigated because they can be potentially used in many branches of industry. If two materials are deposited alternately on a substrate, then a superlattice having some unique properties can be formed. However, X-ray intensity distributions for perovskite superlattices, especially for very thin...

A Second Life for Constructivists? Abstract Second Life is a well developed 3D graphical and text-based reality simulation system which appears to have potential as a distance-learning / blended learning medium, and which is being trialled for this purpose by some 80 universities and 20 non-profit educational institutions of such calibre as Harva...

The article analyzes computer programs that can be used in the design of cars and their parts, car tuning processes. They are divided into groups, while their possibilities are analyzed. Here's information on how to use Blender, which is open source, student-friendly, and very powerful and feature-rich for working with 3D graphics.

In this article, we have worked on the perturbed Boussinesq equation. We have applied the generalized Kudryashov method (GKM) and sine-Gordon expansion method (SGEM) to the perturbed Boussinesq equation. So, we have obtained some new soliton solutions of the perturbed Boussinesq equation. Furthermore, we have drawn some 2D and 3D graphics of these...

A Simulação 3D - Antártica: testemunha do tempo foi elaborada por um grupo de professores e pesquisadores nas áreas de Mudanças Climáticas, Oceanografia, Antropologia, Biologia, Computação, Comunicação e Educação junto com uma equipe de desenvolvedores, com a principal finalidade de demonstrar, através de animações tridimensionais, eventos importan...

Data representation has been one of the core topics in 3D graphics and pattern recognition in high-dimensional data. Although the high-resolution geometrical information of a physical object can be well preserved in the form of metrical data, e.g., point clouds/triangular meshes, from a regular data (e.g., image/audio) processing perspective, they...

The shoe last is an essential element because the style, fit and comfort of a shoe depend on its design, shape and volume. The shape of the shoe last is essentially linked to the dimensions of the foot to ensure comfort and good development of the foot for a chosen style. Therefore, a functional analysis of the shoe last is crucial to better unders...

This paper study is related to two research areas, namely 3D computer graphics and augmented reality with a combination of their display on mobile devices. It presents the creation of three different interactive 3D models based on a realistically drawn image of domestic animals and can be displayed on mobile devices using augmented reality. The tex...

For an XR environment to be used on a real-life task, it is crucial all the contents are created and delivered when we want, where we want, and most importantly, on time. To deliver an XR environment faster and correctly, the time spent on modeling should be considerably reduced or eliminated. In this paper, we propose a hybrid method that fuses th...

State-of-the-art Digital Humans are now easy and affordable tools because of the availability of realistic models [5], Motion Capture (Mocap), and Real-Time 3D graphics that archive improved interaction results. The use of performance capture tools increased in the middle of the 2010s decade [1], along with the improvement of video processing in re...

To guarantee good performance, modern machine learning models typically require large amounts of quality annotated data. Meanwhile, the data collection and annotation processes are usually performed manually, and consume a lot of time and resources. The quality and representativeness of curated data for a given task is usually dictated by the natur...

Problem statement. The integration of the latest technologies in the field of software at the stages of construction appears as one of the main tasks for designers. Creating objects based on 3D printing technology requires the use of appropriate high-tech solutions. One of these solutions is the analysis of the converting process a three-dimensiona...

This paper reveals the hidden dangers of reverse data modifications on distributed software with network synchronization, during the era of 5G, which may occur in more important domains, such as telemedicine and automatic driving. We used pseudo-codes to formally elaborate the distributed software architectures and design patterns. It is necessary...

With the rapid development of interactive 3D graphics technology, as well as the growing demand for virtual reality, digital urbanization and digital cultural heritage protection and time-consuming and inefficient traditional artificial building modeling methods have been far from meeting the rapid and intelligent needs of the application market an...

In order to solve the problems of the traditional 3D simulation system of indoor soft decoration, such as the lack of effective enrichment, rendering means, and poor authenticity when selecting the geometric modeling method to simulate the effect of indoor soft decoration, this paper proposes a 3D simulation system of indoor soft decoration based o...

This paper investigates the correlations among 3D graphic statics, Maxwell–Rankine stress function, and Pucher’s equation (the governing equation of membrane shells). When there is only vertical load, a solution of Pucher’s equation can be converted into a Maxwell–Rankine stress function. The resulting stress function can be further discretized int...

Topological indices (TIs) are numerical quantities that enable theoretical chemists to analyse molecular structures mathematically. ese TIs are essential to exploring chemical compounds using theoretical techniques like QSAR/QSPR methods. Superphenalene is a large polycyclic aromatic hydrocarbon molecule which has been quickly gaining importance as...

We address the problem of de novo design and synthesis of nucleic acid nanostructures, a challenge that has been considered in the area of DNA nanotechnology since the 1980s and more recently in the area of RNA nanotechnology. Toward this goal, we introduce a general algorithmic design process and software pipeline for rendering 3D wireframe polyhe...

Numerical control (NC) codes verification is an important issue in computer numerical control (CNC) machining simulation because wrong NC codes will lead to the workpiece scrap and collision. The NC code verification methods both in physical space and cyber space (such as 3D computer graphics environment) have been widely investigated in recent yea...

In this article, we acquire a variety of new exact traveling wave solutions in the form of trigonometric, hyperbolic, and rational functions for the nonlinear time-fractional Clannish Random Walker’s Parabolic (CRWP) equation in the sense of beta-derivative by employing the two modified methods, namely, modified G ′ / G 2 − expansion method and mod...

This paper presents an all-in-one encoder/decoder approach for the nondestructive identification of three-dimensional (3D)-printed objects. The proposed method consists of three parts: 3D code insertion, terahertz (THz)-based detection, and code extraction. During code insertion, a relevant one-dimensional (1D) identification code is generated to i...

The nonlinear fractional differential equations (FDEs) are composed by mathematical modeling through nonlinear corporeal structures. The study of these kinds of models has an energetic position in different fields of applied sciences. In this study, we observe the dynamical behavior of nonlinear traveling waves for the [Formula: see text]-fractiona...

In this paper, we obtain the novel exact traveling wave solutions in the form of trigonometric, hyperbolic and exponential functions for the nonlinear time fractional generalized reaction Duffing model and density dependent fractional diffusion-reaction equation in the sense of beta-derivative by using three fertile methods, namely, Generalized tan...

With the advent of polyhedral 3D graphic statics, form-finding processes for multi-layered funicular shells can be attained with considerable ease by leveraging polyhedral reciprocal diagrams. Yet, the resulting space-frame structure consists of multiple struts converging at a single point, and demands a high degree of customization for the connect...

In this work we present a comprehensive analysis of total variation (TV) on non Euclidean domains and its eigenfunctions. We specifically address parameterized surfaces, a natural representation of the shapes used in 3D graphics. Our work sheds new light on the celebrated Beltrami and Anisotropic TV flows, and explains experimental findings from re...

The major objective of this study is to derive fractional series solutions of the time-fractional Swift-Hohenberg equations (TFSHEs) in the sense of conformable derivative using the conformable Shehu transform (CST) and the Daftardar-Jafari approach (DJA). We call it the conformable Shehu Daftardar-Jafari approach (CSDJA). One of the universal equa...

Recent developments in 3D graphic technologies enable the affordable and precise reconstruction of body scanned models that can be applied in a variety of verticals, such as fashion, fitness and wellness, and healthcare. The accuracy of body measurements is a crucial element for the successful application of avatars in the following use cases: Avat...

The Ivancevic option pricing model comes as an alternative to the Black-Scholes model and depicts a controlled Brownian motion associated with the nonlinear Schrodinger equation. The applicability and practicality of this model have been studied by many researchers, but the analytical approach has been virtually absent from the literature. This stu...

Virtual Reality (VR) is becoming ubiquitous with the rise of consumer displays and commercial VR platforms. Such displays require low latency and high quality rendering of synthetic imagery with reduced compute overheads. Recent advances in neural rendering showed promise of unlocking new possibilities in 3D computer graphics via image-based repres...

The updated rational sine–cosine functions and the Kudryashov-expansion method are implemented to investigate new optical explicit solitons to the generalized nonlinear Schrodinger equation. The suggested model describes the propagation of optical-solitons through optical-fibers and nonlinear medium with quadratic–cubic Kerr-law. The behavior of th...

Molecular visualization is a cornerstone of structural biology, providing insights into the form and function of biomolecules that are difficult to achieve any other way. Scientific analysis, publication, education, and outreach often benefit from photorealistic molecular depictions rendered using advanced computer-graphics programs such as Maya, 3...

The paper presents an interdisciplinary approach to the treatment of the FormaViva collection of wooden sculptures exhibited outdoors in a natural environment near the Božidar Jakac Art Museum in Kostanjevica na Krki in Slovenia. The study focuses on 3D graphic representations of sculptures created with photogrammetry and 3D modelling. The results...

In order to determine the optimal technological parameters for obtaining stevia leaf sweet extract, the dependence of the extractives' yield on the temperature and extraction process duration was investigated. A mathematical model has been built that makes it possible to determine and predict the extraction process at different technological parame...

3D computer graphics is information technology that is not mandatory for studying at the level of basic general education. Its study is more related to pre-profile training in advanced programs used in such educational projects as the Mathematical Vertical. In this regard, there is a certain shortage of teaching methods for this topic, using Russia...

In this article, an analytical technique based on unified method is applied to investigate the exact solutions of non-linear homogeneous evolution partial differential equations. These partial differential equations are reduced to ordinary differential equations using different traveling wave transformations, and exact solutions in rational and pol...

Heritage graphic representation combining building spatial location and urban/land planning supports the decision-making of government agencies and simplifies the development of protection and conservation projects. The evolution of web-based open-source representation systems, able to store 3D graphics information and to make it accessible by web...

Despite the recent hype around the Metaverse, Social VR worlds remain in a 'mythical territory' of habitat only used by a small subset of computer users. The comparatively small number of virtual residents have been building 3D graphic representations and computer mediated communication networks for over a decade in the perspective of VR mass compu...

In subsequent study series for 3D High Temperature Superconductors (HTCSs), Inverse Least Squares (ILS) and 3D Numerical/Graphical Optimization is the objective for this Molecular Effect Model (MEM) contribution. HTSCs class selected is Thallium group of [ Tl-Sn-Pb-Ba-Si-Mn-Mg-Cu-O ], constrained/extended to [T_C ? 0° , T_C > 0°...

This study investigates new soliton-type solutions to the new generalized KdV (ngKdv) equation. For this purpose, the homogeneous balance method is used to create Auto-Bäcklund transformations of the regarded equation and with the help of the transformations, abundant exact and explicit solutions have been found. We found complexiton solutions to t...

In this work, 1/G′, modified G′/G2 and new extended direct algebraic methods are proposed to construct the novel exact traveling wave solutions in the form of trigonometric, hyperbolic and exponential functions of the time-fractional modified equal-width (MEW) equation in the sense of M- truncated fractional derivative. These methods contribute a v...

The study comparatively analyzed the variability of some agrochemical indices related to agricultural and forest land, in the area of the “Cenad Forest Protected Area”, Timis County, Romania. Within the agrochemical indices, the soil reaction (pH), total nitrogen content (TN %), phosphorus content (P, ppm), potassium content (K, ppm), calcium conte...

In order to cope with the changing era of the innovative management paradigm of the manufacturing industry, it is necessary to advance the construction of smart factories in the domestic manufacturing industry, and in particular, the 3D design and manufacturing content sector is highly growthable. In particular, the core technologies that enable di...

Augmented reality (AR) is a trending technology with many potential applications. In architecture, AR can help visualize and document historic buildings by virtual reconstruction. Colonial buildings in Jakarta Old Town are cultural heritage buildings that are vulnerable to damage by aging and environmental factors. The mitigation of this damage as...