3D Virtual Technology Research Articles

Assessment of Interrater Reliability and Accuracy of Cerebral Aneurysm Morphometry Using 3D Virtual Reality, 2D Digital Subtraction Angiography, and 3D Reconstruction: A Randomized Comparative Study.

Detailed morphometric analysis of an aneurysm and the related vascular bifurcation are critical factors when determining rupture risk and planning treatment for unruptured intracranial aneurysms (UIAs). The standard visualization of digital subtraction angiography (DSA) and its 3D reconstruction on a 2D monitor provide precise measurements but are subject to variability based on the rater. Visualization using virtual (VR) and augmented reality platforms can overcome those limitations. It is, however, unclear whether accurate measurements of the aneurysm and adjacent arterial branches can be obtained on VR models. This study aimed to assess interrater reliability and compare measurements between 3D VR, standard 2D DSA, and 3D DSA reconstructions, evaluating the reliability and accuracy of 3D VR as a measurement tool. A pool of five neurosurgeons performed three individual analyses on each of the ten UIA cases, measuring them in completely immersed 3D VR and the standard on-screen format (2D DSA and 3D reconstruction). This resulted in three independent measurements per modality for each case. Interrater reliability of measurements and morphology characterization, comparative differences, measurement duration, and VR user experience were assessed. Interrater reliability for 3D VR measurements was significantly higher than for 3D DSA measurements (3D VR mean intraclass correlation coefficient [ICC]: 0.69 ± 0.22 vs. 3D DSA mean ICC: 0.36 ± 0.37, p = 0.042). No significant difference was observed between 3D VR and 2D DSA (3D VR mean ICC: 0.69 ± 0.22 vs. 2D DSA mean ICC: 0.43 ± 0.31, p = 0.12). A linear mixed-effects model showed no effect of 3D VR and 3D DSA (95% CI = -0.26-0.28, p = 0.96) or 3D VR and 2D DSA (95% CI = -0.02-0.53, p = 0.066) on absolute measurements of the aneurysm in the anteroposterior, mediolateral, and craniocaudal dimensions. 3D VR technology allows for reproducible, accurate, and reliable measurements comparable to measurements performed on a 2D screen. It may also potentially improve precision for measurements of non-planar aneurysm dimensions.

Retracted: The Application of 3D Virtual Technology in the Teaching of Clinical Medicine

Retracted: The Application of 3D Virtual Technology in the Teaching of Clinical Medicine

The Application of 3D Virtual Technology in the Teaching of Clinical Medicine

The booming development of 3D virtual technology provides the basis for the innovation of teaching mode of clinical medicine. Integrating 3D virtual technology into the clinical education teaching of medical students can help medical students learn clinical expertise more intuitively, enrich practical experience, improve hands-on ability, and make up for the shortcomings of traditional medical teaching. However, the traditional 3D modeling method has the problems of sparse and insufficient accuracy of output results, which greatly limits the specific application of 3D virtual technology in clinical teaching. Therefore, this paper addresses the shortcomings of previous 3D virtual technology in 3D modeling of organs, introduces deep learning, and then proposes a pyramidal shape perception network with the ability to generate samples on point clouds. Experimental results show that the proposed model not only has a large improvement in accuracy but also shows a high degree of confidence in providing real-time feedback of local image attributes.

Interior Design of Smart Home Based on Intelligent 3D Virtual Technology

With the development of society and the continuous advancement of technology, people's research on smart home products is gradually deepening. Compared with the past, smart homes are no longer out of reach, but actually penetrate into our lives. However, while continuously exploring the technology of smart home products, designers have not conducted in-depth research on the interactive mode of the control interface of smart home products. Based on this, the purpose of this article is to study the smart home interior design based on intelligent three-dimensional virtual technology. This article first analyzes the development and current situation of smart homes, and on this basis, combines three-dimensional virtual reality technology to research and analyze smart home systems (S H S). This article systematically elaborates the design of functional modules of the S H S based on intelligent 3D virtual reality technology and the method of converting 2D plane to 3D space coordinate. And use comparative analysis method, interview method and other research methods to carry out experimental research on the theme of this article. The research shows that compared with the traditional S H S, the S H S based on 3D virtual technology studied in this paper has higher feasibility.

Research on National Costume Design Based on Virtual Reality Technology

Cheongsam has the unique costume culture characteristics of the Chinese nation and is a classic style of traditional Chinese costumes. At the same time, with the rapid development of science and technology, 3D virtual technology plays an increasingly important role in the garment intelligent manufacturing industry. Therefore, how to combine 3D virtual technology with the development of women’s cheongsam clothing products is of great significance, which can overcome the limitations of time and space and effectively improve the efficiency of clothing pattern design. To solve this problem, a design method for national costume based on virtual reality technology is proposed. First of all, the modeling and structural characteristics of cheongsam are analyzed. Secondly, different curve fitting methods are applied to human body feature recognition, and cubic polynomial fitting is selected to complete the feature recognition of the human body model in a virtual environment. Then, in order to prevent the penetration between clothing and the human body, the collision detection function based on the AABB bounding box is added, and a method based on linear sensitivity is used to map 2D to 3D. Finally, the model of a cheongsam costume is created by using the clothing simulation Marvelous Designer software, and the effectiveness of the proposed virtual cheongsam costume simulation design method is verified by subjective evaluation indexes.

Application of Traditional Architectural Decoration Elements in Modern Interior Design Based on 3D Virtual Imaging

China’s long history has produced magnificent culture, and Chinese traditional architecture, as a separate development system, has a long history and distinct style. With the gradual rise of “modern Chinese style” in recent years, architects have been constantly exploring and excavating the rich in humanistic connotation residential space form of traditional folk houses in order to adapt it to the contemporary residential life mode. Human civilization is accompanied by living behavior, and the ideal of living environment is destined to evolve in tandem with human civilization. In recent months, more and more 3D virtual technologies, such as e-commerce, interactive communities, and web games, have appeared in the Internet and construction industry as a result of the advancement of modern network technology. People are attempting to rely on computer networks and virtual reality technology to create a more diverse space environment and enjoy the virtual world’s colorful visual feast. The study of how to quickly construct a 3D scene has proven to be very fruitful.

DEVELOPMENT OF 3D AUGMANTED REALITY TEACHING MATERIALS BASED ON VIRTUAL TECHNOLOGY AS LEARNING MEDIA

Augmented Reality is a concept that combines virtual reality with world and a way to explore 3D objects. This game-based learning application has advantages in terms of more interactive and effective use, and is complemented by simple object modelling that can be widely applied in various media and is very supportive of interface technology through smartphone applications. The purpose of this research is to produce a learning media product by utilizing the development of Augmanted Reality- based 3D Virtual Technology using the marker and Unity 3D platforms in high school ICT Subjects in learning in the era of the industrial revolution 4.0 which is valid, practical and effective to foster critical thinking skills, improving and developing life skills that are realized through the achievement of student competencies. The type of research used is development research with a 4D (Four-D) model approach including the stages of define, design, develop and disseminate. Based on the results of the validation test research, the results obtained from the Content aspect of the media were 0.835 with the Valid category, from the media experts assessed from the media format aspect of 0.84 in the Valid category, and the media presentation aspect obtained Aiken's V value of 0.845 with the Valid category. The practicality of Augmanted Reality-based 3D Virtual Media was obtained from the teacher's response and student responses, from the teacher's response it was obtained an average of 88.57% with the very practical category and the student response was 81.63% with a very practical level of practicality. The effectiveness of 3D virtual media based on Augmanted Reality is obtained from the students' learning scores after using the media with the number of students who passed is 17 students (85%) out of 20 students and stated that the media is effective to improve student learning outcomes through the Gain score test with a value of 0.53 with category moderate. It is hoped that this application and can be developed again by researchers so that this application can help and support teachers in supporting the success of the student learning process.

Evaluation on Water Pollution Prevention Project Based on 3D Virtual Technology from the Perspective of Cloud Computing

Evaluation on Water Pollution Prevention Project Based on 3D Virtual Technology from the Perspective of Cloud Computing

Using virtual reality for professional training practices: exploring the factors of applying stereoscopic 3D technologies in knowledge transfer

Current research has constantly highlighted the significance of developing a learning culture with a robust knowledge sharing and transfer process in knowledge-based societies. The emergence of stereoscopic 3D virtual technologies provides organizations with an opportunity to develop immersive and virtual professional training practices for employees’ transformative learning. This research gathered data from a survey of 326 respondents to investigate employees’ virtual learning experiences in a virtual learning environment (VLE). The results show that a successful VLE model could possibly enhance employees’ learning motivation, process and satisfaction. The empirical evidence of this research suggests that there are three key components of framework for actual implementation; they are (1) the careful selection of VLE; (2) the appropriate design of pedagogical strategies; and (3) the effective use of virtual stimuli which involves the factors of the stereoscopic 3D visualization, telepresence and multisensory interactions.

3D virtual technology for space design in green building energy-saving design

In order to solve the problem that the traditional green building energy-saving design method does not establish a 3D model, resulting in poor energy-saving effect and low accuracy of information collection, this paper proposes a 3D virtual technology of space design in green building energy-saving design. The sketch modelling method is used to build the three-dimensional virtual model of green building, and the initial model is drawn by using UVW map coordinates in 3dsmax software. The maintenance information, meteorological parameters, indoor and outdoor ventilation information of green energy-saving buildings are obtained by using GIS technology, and relevant information is imported into DeST-c software to simulate and analyse the thermal balance of green buildings. It is graded by stages, and different thermal performance indicators are obtained to simulate the energy consumption of green buildings. The experimental results show that this method can accurately collect building information in green building energy-saving design, and greatly reduce building energy consumption.

3D virtual technology for space design in green building energy-saving design

3D virtual technology for space design in green building energy-saving design

Research on the integration of photographic images and photography art based on 3D virtual reality technology

SummaryNowadays, with the continuous development of online media technologies, there has also been qualitative breakthroughs and innovations in the photographic art. A new type of virtual reality technology was born. Virtual reality technology is a three‐dimensional space model, the basis of using computer network media, and provides users with various aspects and multi‐view sensory experiences. First, it analyzes the photographic imagery and technology fundamentally. Then, it analyzes the basic elements of the photographic art form and analyzes several measures of the creative form of the photographic art. Finally, it focuses on the in‐depth research on the cooperation between technology and art in the innovation form. The photography art it has also absorbed the essence of all kinds of art in the practice. It has become a popular appreciation culture, but also, it brought new life to the life of people. 3D virtual technology can be able to create a “virtual world.” It has the sense of reality and imagination of the three‐dimensional graphics. Photography imaging and 3D image the fusion of art and technology embodies the diversity of art forms.

Research on Equipment Technical Data Interactive Publication Technology

Technical data is an important part of the equipment system, and it is an important tool and resource to support operation and daily maintenance. The interactive publishing of technical data is an important part of the information construction of equipment support. In this paper, the interactive publishing information platform of equipment technology data is designed according to the relevant specifications of the equipment technical data interactive publishing (such as GJB6600 and S1000D). According to the national autonomous control strategy, the technical structure of the interactive publishing platform of technical data is put forward. This paper analyzes the key technologies, including data interactive editing technology, data interactive display and control technology, intelligent retrieval technology and interactive 3D virtual technology.

Applying augmented reality for experiential learning: a case study of E-Commerce Learning

The great impacts of advancing technology, such as 3D virtual worlds, create new learning opportunities for learners. Educators and researchers have been exploring how to apply 3D virtual technology to improve the virtual learning process and authentic activities. Augmented reality (AR) technology offers the opportunity for learners to interact in both the virtual and real world significantly. Augmented reality can be an attractive technology that allows learners to realize that virtual and real objects coexist at the same time. Therefore, AR technology allows educators to design courses utilizing simulation, visualization, and interaction with the virtual objects and real environments. For Dewey (1916), learning should be real and applicable to daily living. This study builds an e-commerce learning system based upon Kolb’s experiential learning theory.

Pilot Study: Breaking the Virtual Boundary and Forging Communities of Practice through Virtual Worlds

D Virtual worlds are crossing and bridging boundaries between the virtual and the real, as well as creating dynamic communities across and between researchers, artists and filmmakers, among others. This paper is the result of a pilot study that points to three strands of investigation that have now been planned to be carried out over the coming two years. The first strand where preliminary questionnaire data were collected shows how positive perceptions can be formed of a physical institution after having experienced it in a virtual sense. The second strand, in which international focus groups were used, seems to indicate how communities of practice have developed within and between artists and film makers using 3D virtual worlds instead of through conventional approaches. The third strand, in which an international focus group was also used, also seems to indicate how a community of practice has developed and further shows how the use of 3D virtual technologies have allowed educators and researchers in educational institutions to increase the breadth, depth, diversity and frequency of their research collaborations as compared to periods prior to them using 3D virtual technologies. More in-depth empirical studies on all of this will follow.

Computer-Assisted Virtual Planning in Maxillofacial Reconstruction Using Microvascular Free Fibula Flaps

Statement of the Problem: Reconstruction of segmental mandibular and palato-maxillary defects using fibular free flaps is challenged by the surgeon's ability to accurately insert the neomandibular or neomaxillary construct into an optimal position relative to the opposing jaw, so that the patient may receive osseointegrated implants and prosthetic restoration of occlusion. Recently, a computer-aided design/computer aided manufacturing (CAD/CAM) technique was introduced that utilizes CT guided 3D virtual technology to fabricate precise intraoperative cutting guides in an attempt to achieve orthogonal jaw relationships.

La Génesis de un Museo del Guadalquivir del siglo XXI. Anastylosis virtual del valle del Guadalquivir en el siglo II d. C: La Baetica de Adriano.

<p>We present an ambitious design in order to a new space and a cultural center in the surrounding area of the city of Seville devoted to Guadalquivir River and its Memory. This project depicts a new framework for multifunctional cultural infrastructures aimed to perpetuate and strengthen the knowledge of our rich cultural heritage, adding new didactic value to it by means of XXI century museology and the latest 3D virtual technologies, thus creating valuable resources for cultural diffusion according to present-day possibilities. This initiative started in year 2005 and shall be concluded in year 2012, as result of the cooperation between several public and private institutions, all of them interested in the cultural, touristical, technological and economic revaluation of Guadalquivir River</p>

A web-based 3D virtual technologies for developing product information framework

Information technologies and the web are challenging, and changing theway industry works. It is believed that web-based 3D interface can be applied to strengthen the interactive visualization and manipulation of products. In this research, a web-based 3D virtual technologies for developing product information framework is applied in automotive electric system. It is very convenient to share with different partners (e.g., co-designers, manufacturers, customers, etc.) via the web for viewing the aesthetic functions, and verifying its related design functions. The overall procedures are listed: First, build CAD models of automotive electric system (including assemble parts and their components) through CAD system, then store them in a relational database. Second, transforming the CAD models users click into virtual reality modeling language (VRML) objects, it can be visualized graphically and animated interactively using a web browser with a VRML plug-in. Finally, operate the VRML objects by Java Language for the different purposes. Due to the technologies that are applied, many interactive modes are generated in cyberspace. Displaying the exploding process of 3D assemble part on the browser, assigning any component of assemble part through the mouse chick directly to display design details, e.g., dimensions, tolerances, datum planes, material, other references, etc. by retrieving the corresponding data from database, and building 2D projected views automatically follow the 3D viewpoint that users assign.