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What is View and View Point

Chapter 31
Handbook of Research on Estimation and Control Techniques in E-Learning Systems
Each interested person (or group of stakeholders) on how the system should work. View defines the language (notation, the model) that are used to describe the species as well as modeling and analysis techniques applicable to these types. Types typically consist of modules, such as a set of UML diagrams and descriptions. Point of view have the ability to not depend on the particular system (as opposed to specific and stakeholders), so they are isolated in separate frameworks, such as framework “4 + 1”.
Published in Chapter:
Development of Model and Software for Tracking Head Avatars in E-Learning Systems
Anatoly Korikov (Tomsk State University of Control Systems and Radio Electronics, Russia) and Oleg Krivtsov (Tomsk State University of Control Systems and Radio Electronics, Russia)
Copyright: © 2016 |Pages: 14
DOI: 10.4018/978-1-4666-9489-7.ch031
Abstract
In this chapter, we focus on the theoretical basis of the method of tracking a person's head, based on the construction of its geometric texture patterns, and finding the parameters of its movement between pairs of consecutive video frames. The task of tracking the position of geometric head model is formulated as the problem of determining the parameters of the model (translation and rotation) so that the projection of a 3D model of the head on the video frame coincides with the real image of the head in this picture. To solve this problem, we use an efficient algorithm for infrared imaging. The application of the expressions is obtained during movement of the head as a three-dimensional body with six degrees of freedom and the use of perspective projection and for avatars modeling by Prof Vardan Mkrttchian last publications in IGI Global 2011-2015.
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