scholarly journals Effects of inherited structures on inversion tectonics: Examples from the Asturian Basin (NW Iberian Peninsula) interpreted in a Computer Assisted Virtual Environment (CAVE)

Geosphere ◽  
2018 ◽  
Vol 14 (4) ◽  
pp. 1635-1656
Author(s):  
Hodei Uzkeda ◽  
Josep Poblet ◽  
Mayte Bulnes ◽  
Santiago Martín
Keyword(s):  
Iberian Peninsula ◽  
Virtual Environment ◽  
Computer Assisted ◽  
Inversion Tectonics

Towards Usable Collaborative Virtual Reality Environments for Promoting Listening Comprehension

2011 ◽  
pp. 386-411
Author(s):  
Miguel A. Garcia-Ruiz ◽  
Arthur Edwards ◽  
Raul Aquino-Santos ◽  
Jay Shiro Tashiro ◽  
Bill Kapralos
Keyword(s):  
Virtual Reality ◽  
Second Language ◽  
Language Learning ◽  
Virtual Environment ◽  
Listening Comprehension ◽  
Ease Of Use ◽  
Qualitative Description ◽  
Computer Assisted ◽  
Collaborative Virtual Reality ◽  
Future Work

This chapter investigates whether an educational virtual environment can be developed to practice listening comprehension skills that meets second language student needs, complies with usability criteria, and is motivating to use. The chapter also investigates whether the usability of virtual reality(VR) technology positively affects language learning listening comprehension. It provides background research and information in Computer Assisted Language Learning (CALL), VR, and second language methodology. It then presents a technical and qualitative description of Realtown, a virtual environment designed to promote listening comprehension. This chapter also describes a usability study of Realtown. Student errors, motivation, and ease of use, among other features, were positively measured on listening comprehension activities in Realtown. Future work includes longitudinal studies on learning issues, first-person, and collaborative experiences in VR, including the impact of VR on learning and knowledge transfer when combined with traditional instruction.

Design and Development of Virtual Reality Environments for Biomedical and Engineering Applications

2015 ◽  
Author(s):  
Eder Govea ◽  
Hugo I. Medellín-Castillo
Keyword(s):  
Virtual Reality ◽  
Virtual Environments ◽  
Virtual Environment ◽  
Technological Development ◽  
Low Cost ◽  
Research Work ◽  
Computer Assisted ◽  
Design And Development ◽  
Engineering Applications ◽  
Virtual Objects

Virtual Reality (VR) is one of the areas of knowledge that have taken advantage of the computer technological development and scientific visualization. It has been used in different applications such as engineering, medicine, education, entertainment, astronomy, archaeology and arts. A main issue of VR and computer assisted applications is the design and development of the virtual environment, which comprises the virtual objects. Thus, the process of designing virtual environment requires the modelling of the virtual scene and virtual objects, including their geometry and surface characteristics such as colours, textures, etc. This research work presents a new methodology to develop low-cost and high quality virtual environments and scenarios for biomechanics, biomedical and engineering applications. The proposed methodology is based on open-source software. Four case studies corresponding to two applications in medicine and two applications in engineering are presented. The results show that the virtual environments developed for these applications are realistic and similar to the real environments. When comparing these virtual reality scenarios with pictures of the actual devices, it can be observed that the appearance of the virtual scenarios is very good. In particular the use of textures greatly helps in assessing specific features such as simulation of bone or metal. Thus, the usability of the proposed methodology for developing virtual reality applications in biomedical and engineering is proved. It is important to mention that the quality of the virtual environment will also depend on the 3D modelling skills of the VR designer.

Jurassic extension and Cenozoic inversion tectonics in the Asturian Basin, NW Iberian Peninsula: 3D structural model and kinematic evolution

2016 ◽  
Vol 90 ◽  
pp. 157-176 ◽  
Author(s):  
Hodei Uzkeda ◽  
Mayte Bulnes ◽  
Josep Poblet ◽  
José Carlos García-Ramos ◽  
Laura Piñuela
Keyword(s):  
Iberian Peninsula ◽  
Structural Model ◽  
Inversion Tectonics ◽  
Kinematic Evolution

Case study: CAREN (computer assisted rehabilitation environment): A novel way to improve shoe efficacy

2003 ◽  
Vol 27 (2) ◽  
pp. 158-162 ◽  
Author(s):  
I.J.M. De Groot ◽  
O. Even Zohar ◽  
R. Haspels ◽  
H. Van Keeken ◽  
E. Otten
Keyword(s):  
Virtual Environment ◽  
Natural Environment ◽  
Body Movement ◽  
Movement Analysis ◽  
Technical System ◽  
Whole Body ◽  
Computer Assisted ◽  
Total Body ◽  
Made In

A new technical system, CAREN (computer assisted rehabilitation environment), is described, which makes it possible to do a total body movement analysis in a virtual environment. The virtual environment is reproducible and as close to natural environment as possible. In a case study it proved possible with this system to test different shoes and get insight in the movement problems. The importance of whole body analysis is demonstrated in this case study. The adjustments made in the shoes could be tested for their efficacy.

Computer-Assisted Learning in Slovakia

2017 ◽  
pp. 252-270
Author(s):  
Ivana Cimermanova
Keyword(s):  
Virtual Environment ◽  
Computer Assisted ◽  
Infrastructure Development ◽  
Educational Facilities ◽  
Computer Assisted Learning ◽  
Research Results ◽  
Face To Face ◽  
The Past ◽  
Digital Era ◽  
Ict Infrastructure

Computer assisted learning is an increasingly important area of education especially now, in digital era. The past thirty years have seen increasingly rapid advances in the ICT infrastructure development in the educational facilities. However, this is just one part of the aspects needed for modernisation and innovation of education. The chapter discusses the situation in Slovakia, its rather well-developed infrastructure but it also points out how important it is to focus on teacher, learner and interaction in any – face-to-face, technology assisted or virtual environment. Numerous studies provide important insights into the situation where teachers have the possibilities and facilities, however, they are not trained to use them effectively. The author brings the survey based on the published studies, research results, statistics and her own experience.

3-D organization of fibrinogen receptors using computer reconstruction and whole-mount microscopy

1988 ◽  
Vol 46 ◽  
pp. 30-31
Author(s):  
E. T. O'Toole ◽  
R. R. Hantgan ◽  
J. C. Lewis
Keyword(s):  
Whole Blood ◽  
Colloidal Gold ◽  
Blood Platelets ◽  
Cell Contact ◽  
Computer Assisted ◽  
Adherent Cells ◽  
Differential Centrifugation ◽  
Computer Reconstruction ◽  
Sds Page ◽  
Whole Mount

Thrombocytes (TC), the avian equivalent of blood platelets, support hemostasis by aggregating at sites of injury. Studies in our lab suggested that fibrinogen (fib) is a requisite cofactor for TC aggregation but operates by an undefined mechanism. To study the interaction of fib with TC and to identify fib receptors on cells, fib was purified from pigeon plasma, conjugated to colloidal gold and used both to facilitate aggregation and as a receptor probe. Described is the application of computer assisted reconstruction and stereo whole mount microscopy to visualize the 3-D organization of fib receptors at sites of cell contact in TC aggregates and on adherent cells.Pigeon TC were obtained from citrated whole blood by differential centrifugation, washed with Ca++ free Hank's balanced salts containing 0.3% EDTA (pH 6.5) and resuspended in Ca++ free Hank's. Pigeon fib was isolated by precipitation with PEG-1000 and the purity assessed by SDS-PAGE. Fib was conjugated to 25nm colloidal gold by vortexing and the conjugates used as the ligand to identify fib receptors.

Computer Assisted Image Reconstruction of Oligomer Structure

1976 ◽  
Vol 34 ◽  
pp. 472-473
Author(s):  
A.M. Jones ◽  
A. Max Fiskin
Keyword(s):  
Three Dimensional ◽  
Depth Of Field ◽  
Computer Assisted ◽  
Projection Data ◽  
Two Dimensional ◽  
Single Particles ◽  
Dimensional Reconstruction ◽  
Computer Assisted Image ◽  
The Fourier Transform ◽  
Space Approach

If the tilt of a specimen can be varied either by the strategy of observing identical particles orientated randomly or by use of a eucentric goniometer stage, three dimensional reconstruction procedures are available (l). If the specimens, such as small protein aggregates, lack periodicity, direct space methods compete favorably in ease of implementation with reconstruction by the Fourier (transform) space approach (2). Regardless of method, reconstruction is possible because useful specimen thicknesses are always much less than the depth of field in an electron microscope. Thus electron images record the amount of stain in columns of the object normal to the recording plates. For single particles, practical considerations dictate that the specimen be tilted precisely about a single axis. In so doing a reconstructed image is achieved serially from two-dimensional sections which in turn are generated by a series of back-to-front lines of projection data.

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