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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Utilizando a televis?o digital como um meio de comunica??o para ambientes interativos reais

Melo, Julio Cesar Paulino de 02 August 2010 (has links)
Made available in DSpace on 2014-12-17T14:55:45Z (GMT). No. of bitstreams: 1 JulioCPM_DISSERT.pdf: 1104589 bytes, checksum: a1783189aa672ce55f0b8986d3dba77e (MD5) Previous issue date: 2010-08-02 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / This Dissertation aims to provide a communication mechanism between Digital TV viewers and interaction devices, such as robots, for example, placed on the environment from which a TV program is being live broadcasted. Such communication mechanism has the objective to allow viewers controll the Interaction Devices through their TV devices, using the broadcast channel present in Interactive Digital TV systems, and receive data from the devices by the broadcast channel. This system was projected as a middlewaer system where the Interaction Devices in the TV program set are interconnected, creating a Interactive Device Network. With this approach, the system is capable of manage the devices on the network, controlling the flow of coming and leaving elements, in a transparent way for the viewers. The system yet allows the Interaction Devices communicate each other, with a integrated communication channel with no worries about the physical communication layer / Esta disserta??o foca em prover um mecanismo de comunica??o bidirecional entre os telespectadores de um sistema de TV Digital e os chamados Dispositivos de Intera??o, tais como rob?s, por exemplo, dispostos no cen?rio de um programa TV transmitido ao vivo. Este mecanismo tem por objetivo permitir que os telespectadores controlem os Dispositivos de Intera??o atrav?s dos seus aparelhos de TV, usando o canal de retorno presente em sistemas de TV Digital Interativa, e receber dados desses dispositivos atrav?s do canal de broadcast. Esse sistema foi projetado usando na forma de um sistema de middleware onde os Dispositivos de Intera??o presentes no cen?rio do programa de TV s?o interconectados, formando uma Rede de Dispositivos de Intera??o. Com essa abordagem, o sistema proposto ? capaz de gerenciar os dispositivos na rede, controlando a sa?da e entrada de novos elementos, de forma transparente para os telespectadores. O sistema tamb?m permite que os dispositivos da rede se intercomuniquem, com um canal de comunica??o integrado sem preocupa??es com a camada f?sica de comunica??o

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