76 resultados para audio-visual automatic speech recognition


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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Estudos Linguísticos - IBILCE

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Pós-graduação em Ciência da Computação - IBILCE

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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The means of mass communication are powerful tools to the spread of a concept as persuasion is a strong characteristic of discourses that gather around the sphere of communication, especially in advertising discourses. By the end of the 90’s, the advertisement “Down: the worst syndrome is prejudice”, did great success approaching prejudice / pre-concept in a subtle and innovative way, due its outstanding purpose and style inserting two boys in a carousel, one is a street child, the other a Down syndrome patient. The advertisement reveals a speak project of diffusion and spread of ideas that down syndrome patients are capable of dealing and supporting a routine full of activities, making a opposition to the campaigns and ideas that, in spite of raising the respect towards these kids, only contributed with the attenuation of their handicaps. Our objective is to investigate the presence of these social values in the quoted audio-visual material, and for that we’ve searched the contextualization of the advertisement in its own time period. The theory and methodological aspects got their base in Bakhtinian studies and concepts; we used the concepts of discourse gender, chronotope and mainly dialogism and enunciation. We analyzed the style utilized in the advertisement, the dialogue between the politically correct and the prejudice speeches, the verbal discourse of the music that flows with the progress of the enunciation, the non-verbal discourse of the photography (nostalgic, producing effects of sense in its relation with memory), the chronotope present in the utilization of the carousel and its significations. We concluded that the accession of the recipient, in it responsive comprehension of the enunciation at hand, is an effect produced by the well-succeded addition of these different types of discourses

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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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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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Pós-graduação em Comunicação - FAAC

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Perceiving a possible predator may promote physiological changes to support prey 'fight or flight'. In this case, an increase in ventilatory frequency (VF) may be expected, because this is a way to improve oxygen uptake for escape tasks. Therefore, changes in VF may be used as a behavioral tool to evaluate visual recognition of a predator threat. Thus, we tested the effects of predator visual exposure on VF in the fish Nile tilapia, Oreochromis niloticus. For this, we measured tilapia VF before and after the presentation of three stimuli: an aquarium with a harmless fish or a predator or water (control). Nile tilapia VF increased significantly in the group visually exposed to a predator compared with the other two, which were similar to each other. Hence, we conclude that Nile tilapia may recognize an allopatric predator; consequently VF is an effective tool to indicate visual recognition of predator threat in fish. (C) 2002 Elsevier B.V. B.V. All rights reserved.

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An intelligent system that emulates human decision behaviour based on visual data acquisition is proposed. The approach is useful in applications where images are used to supply information to specialists who will choose suitable actions. An artificial neural classifier aids a fuzzy decision support system to deal with uncertainty and imprecision present in available information. Advantages of both techniques are exploited complementarily. As an example, this method was applied in automatic focus checking and adjustment in video monitor manufacturing. Copyright © 2005 IFAC.

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Image categorization by means of bag of visual words has received increasing attention by the image processing and vision communities in the last years. In these approaches, each image is represented by invariant points of interest which are mapped to a Hilbert Space representing a visual dictionary which aims at comprising the most discriminative features in a set of images. Notwithstanding, the main problem of such approaches is to find a compact and representative dictionary. Finding such representative dictionary automatically with no user intervention is an even more difficult task. In this paper, we propose a method to automatically find such dictionary by employing a recent developed graph-based clustering algorithm called Optimum-Path Forest, which does not make any assumption about the visual dictionary's size and is more efficient and effective than the state-of-the-art techniques used for dictionary generation. © 2012 IEEE.