961 resultados para digital devices


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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A virtual studio system can use technologies as augmented reality and digital matting to decrease production costs at the same time it provides the same resources of a conventional studio. With this, it’s possible for the current studios, with low cost and using conventional devices, to create productions with greater image quality and effects. Some difficulties are recurrent in virtual studio applications that use augmented reality and digital matting. The virtual objects registration in augmented reality techniques suffer from problems caused by optical distortions in the camera, errors in the marker tracking system, lack of calibration on the equipments or on the environment (lighting, for example), or even by delays in the virtual objects display. On the other hand, the digital matting’s main problem is the real-time execution to preview the scene, which must have optimized processing speed at the same time while maintain the best image quality possible. Taking the given context into consideration, this work aims to give continuity to a virtual studio system called ARStudio, by enhancing digital matting, virtual objects registration and introducing a segmentation based on depth map, yet adding better control over functionalities previously implemented

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Pós-graduação em Televisão Digital: Informação e Conhecimento - FAAC

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Pós-graduação em Televisão Digital: Informação e Conhecimento - FAAC

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Pós-graduação em Comunicação - FAAC

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Pós-graduação em Televisão Digital: Informação e Conhecimento - FAAC

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The digital television system adopted by Brazil allows the signal reception of broadcast TV on mobile devices and laptops. This paper aims to analyze issues related to the transmission of free and open TV signals for reception in portable and mobile devices enabled by 1SEG system. We will evaluate the behavior of the user, tv schedule, prime time and experiences in Japan.

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The ideal proposed by Decree No. 4901 of 26 November 2003 establishing the Brazilian System of Digital Television (SBTVD) still seems more remote from reality as possible in 2003, where it was believed more in digital inclusion (and social) through access Digital TV via internet than to the development of specifi c products for this media. The reality still shows up differently and it is possible to believe that there was an innocent vision and too optimistic a project that did not meet even the demands of society: SBTVD. The problem to be solved is to get Digital TV adds value to the needs of today’s consumers of content, space has been occupied quickly by computers and devices connected to the internet and even the informal trade of DVDs and video games.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Psicologia - FCLAS

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Psicologia - FCLAS