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This paper introduces deployment, operation and technological challenges of project named National telepresence infrastructure to support research, development and technology transfer in Slovakia (NTI), which was managed by Slovak Centre of Scientific and Technical Information. NTI is effective collaborative environment with not only videoconferencing ability but it dispone also live broadcast functions,...
The aim of this paper is the proposal of the solution that is to enable identification of students based on their height and facial dimensions of specific face elements. Analysis of approaches that allow estimation of the height from the image is presented. Following the analysis, the experimental software solution is developed and consisted of two applications. The first enables the estimation of...
In this paper the elimination of image distortion and subsequent estimation of intrinsic camera parameters, while extracting the real object dimensions from photographs is presented. Research analysis includes description of the basic concepts related to the camera calibration. Following the analysis, the most suitable calibration method has been chosen and implemented as a software solution. The...
Almost two hundred sites located mostly at Universities were equipped in 2015 with latest videoconferencing devices and connected to one national network. This was covered by national project named National telepresence infrastructure to support research, development and technology transfer (NTI). This paper presents technological challenges behind, integration of hardware and software solutions in...
The aim of this paper the extraction of human body dimensions using the latest Microsoft Kinect device. Another focus is the analysis of various application of this device in specific branches of science and research and its application in estimation of dimensions. Brief analysis of the device itself is carried out as well. The principal output of this paper the software application that utilizes...
The aim of this paper is the design and implementation of a solution for monitoring of the properties of an object, specifically a human hand in the video. Solutions available today require for their operation some special hardware, such as a depth sensor. The system described in this paper aims to acquire the properties of the object only with the aid of commercially available camera equipment. The...
In this paper the development of simulation exercises used in blended learning are presented and further two methodologies are introduced, discussed and comparative analysis is to be carried out, pointing out the main differences. First methodology was applied on the sample of fifty students, the latter on the same number of students. Information technology tools were utilized in both methodologies,...
In this paper we propose a visual system for monitoring of student attendance in seminars and lectures. Basic idea is to estimate the number of people in the room using face detection algorithms and subsequently utilize face recognition algorithms to determine the actual identification of persons (students). Presented approach may be used for multiple purposes. Principal and primary purpose is to...
In this paper are presented the approaches and measures taken in order to enhance the learning process of computer networks. During research described in this paper we take into the consideration primarily traditional form of education, i.e. active presence of student at the institution. Enhancement itself lies in the elimination of system testing and its replacement with testing on the real devices...
This paper deals with concept of protected access to multimedia with respect to rights management of transmitted content. Presented technologies are ready to be implemented and fulfill the needs of most of Internet Service Providers for video on demand service to customers with respect legal issues given by content owners. With numbers of users using mobile devices for streaming delivery there is...
The paper deals with the concept of solution for realization of live broadcasts of events with best shot on tracked object using contribution of audience in form of using mobile phones such as streaming and object tracking device. The overall concept consist of two phase, which handle the choosing of mobile device with best shot on speaker in real time based on object tracking methods and also with...
This article describes the simple step by step system, to teach object recognition and tracking in computer vision systems. Methodology is based on object recognition system complexity incrementation. Student doesn't need any knowledge about mathematical principles of computer based object detection. This is achieved using OpenCV and other high level libraries. Article consists from explanation of...
The aim of this work is to design an appropriate concept of IPTV for the needs of academic institutions. Based on the analysis, selected existing technologies of the components of internet television in cooperation with newly created components are transforming into a multifunctional next-generation IPTV solution with educational abilities. The result is a concentration of these functionalities into...
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