21 resultados para videography


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This thesis is about new digital moving image recording technologies and how they augment the distribution of creativity and the flexibility in moving image production systems, but also impose constraints on how images flow through the production system. The central concept developed in this thesis is ‘creative space’ which links quality and efficiency in moving image production to time for creative work, capacity of digital tools, user skills and the constitution of digital moving image material. The empirical evidence of this thesis is primarily based on semi-structured interviews conducted with Swedish film and TV production representatives.This thesis highlights the importance of pre-production technical planning and proposes a design management support tool (MI-FLOW) as a way to leverage functional workflows that is a prerequisite for efficient and cost effective moving image production.

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"FHTET 96-12."

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A posztmodern fogyasztó hiperreális környezetébe csöppenő pozitivista kutató gyakran megtántorodik attól a forgószélszerű pörgéstől és vizuális dinamikától, amelyet a posztmodern világ ont rá. A szupersztrádán teknős módjára kullogó kutató ezért inkább visszahúzódik páncélja mögé, és előhúz valamit a szokásos módszerek közül, függetlenül attól, hogy azok relevánsak-e a probléma vizsgálatára vagy sem. A mozgóképek újjászületése a megváltozott fogyasztói látásmódhoz kapcsolható. Dziga Vertov mechanisztikus szemével egyre inkább a fogyasztók kacsintgatnak, és a curlingben látható módon csúsztatják tovább a magáról megfeledkező és kőnek látszó teknőst. A videográfia a videó és az etnográfia szavak összekapcsolásából keletkezett, vagyis etnográfiai kutatás a mozgókép segítségével. Egyre több nyugati cég arra kéri fel a kutatókat, hogy a fogyasztói magatartásról csupán videó prezentációt készítsenek, mindenféle szöveges magyarázat nélkül. A cikk nagytotálból mutatja be a Belk és Kozinets (2005, 2006) által életre keltett módszertan sajátosságait. / === / The positivist researcher in the middle of the hyperreal context seems to lurch due to the tornado-like whirl and a visual dynamism caused by the postmodern world. This researcher is just like a paddling tortoise on the superhighway draws back in the tortoiseshell and shows one of the classic research methods, no matter the type of the research problem. The rebirth of the motion pictures is linked to the altered consumer perspective. Dziga Vertov’s mechanical eye is used more and more by the consumers, and the tortoise-like researcher is considered to be a curling stone. The consumer researchers tend to ignore the lived visual and auditory aspects of the consumer culture and the appropriate research methods of this field. The aim of this article is to present the types and the main features of the videography vivified by Belk and Kozinets (2005, 2006).

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Southeastern Brazil has seen dramatic landscape modifications in recent decades, due to expansion of agriculture and urban areas; these changes have influenced the distribution and abundance of vertebrates. We developed predictive models of ecological and spatial distributions of capybaras (Hydrochoerus hydrochaeris) using ecological niche modeling. Most Occurrences of capybaras were in flat areas with water bodies Surrounded by sugarcane and pasture. More than 75% of the Piracicaba River basin was estimated as potentially habitable by capybara. The models had low omission error (2.3-3.4%), but higher commission error (91.0-98.5%); these ""model failures"" seem to be more related to local habitat characteristics than to spatial ones. The potential distribution of capybaras in the basin is associated with anthropogenic habitats, particularly with intensive land use for agriculture.

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This work focused on the study of the impact event on molded parts in the framework of automotive components. The influence of the impact conditions and processing parameters on the mechanical behavior of talc-filled polypropylene specimens was analyzed. The specimens were lateral-gate discs produced by injection molding, and the mechanical characterization was performed through instrumented falling weight impact tests concomitantly assisted with high-speed videography. Results analyzed using the analysis of variance (ANOVA) method have shown that from the considered parameters, only the dart diameter and test temperature have significant influence on the falling weight impact properties. Higher dart diameter leads to higher peak force and peak energy results. Conversely, higher levels of test temperatures lead to lower values of peak force and peak energy. By means of high-speed videography, a more brittle fracture was observed for experiments with higher levels of test velocity and dart diameter and lower levels of test temperature. The injection-molding process conditions assessed in this study have an influence on the impact response of moldings, mainly on the deformation capabilities of the moldings.

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Este relatório de estágio foi desenvolvido no âmbito do estágio de final de curso, em ambiente industrial, do Mestrado em Engenharia e Gestão Industrial da ESEIG. O estágio foi realizado na Continental Mabor S.A., situada em Vila Nova de Famalicão, mais especificamente no Departamento de Engenharia Industrial. A indústria dos pneus está inserida num mercado cada vez mais competitivo e exigente, em que os custos e os prazos de entrega devem ser cada vez menores e a qualidade do produto cada vez maior. Por esses motivos, é necessária uma constante melhoria dos processos produtivos. Para que este esforço de melhoria contínua seja bem-sucedido é necessário recorrer por vezes a prémios de produção, para incentivar uma maior produtividade. Contudo cada pneu tem tempos de produção diferentes de máquina para máquina e é preciso corrigir esses tempos em prol de uma justa atribuição de prémios. O presente trabalho teve como principal objetivo atualizar as perturbações e atualizar os tempos-máquina no setor de construção de pneus. Inicialmente foi recolhido o tempo de aplicação do capply (material que pertence ao pneu) para futuramente verificar se será possível prever o tempo de aplicação de capply, consoante os metros de aplicação. Como não foi possível estabelecer uma correlação, não será exposta a análise até se chegar a essa conclusão. Depois fez-se o estudo das perturbações, com recurso à cronometragem, na maior das cinco divisões da fábrica - a construção. Por último fez-se a recolha dos tempos-máquina de vários tipos de construção de pneus em todos os módulos de construção de pneus (KM e PU), através do método filmagem. Conseguiu-se singularizar os tempos para cada máquina de forma a tornar, mais justo os prémios de produção atribuídos aos operadores, no curto prazo, e optimizar a produção e o tempo-padrão.

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Proper examination of the pupil provides an objective measure of the integrity of the pregeniculate afferent visual pathway and allows assessment of sympathetic and parasympathetic innervation to the eye. Infrared videography and pupillography are increasingly used to study the dynamic behavior of the pupil in common disorders, such as Horner's syndrome and tonic pupil.

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The purpose of this study is to develop a crowdsourced videographic research method for consumer culture research. Videography provides opportunities for expressing contextual and culturally embedded relations. Thus, developing new ways to conduct videographic research is meaningful. This study develops the crowdsourced videographic method based on a literature review and evaluation of a focal study. The literature review follows a qualitative systematic review process. Through the literature review, based on different methodological, crowdsourcing and consumer research related literature, this study defines the method, its application process and evaluation criteria. Furthermore, the evaluation of the focal study, where the method was applied, completes the study. This study applies professional review with self-evaluation as a form of evaluation, drawing from secondary data including research task description, screenshots of the mobile application used in the focal study, videos collected from the participants, and self-evaluation by the author. The focal study is analyzed according to its suitability to consumer culture research, research process and quality. Definitions and descriptions of the research method, its process and quality criteria form the theoretical contribution of this study. Evaluating the focal study using these definitions underlines some best practices of this type of research, generating the practical contribution of this study. Finally, this study provides ideas for future research. First, defining the boundaries of the use of crowdsourcing in various parts of conducting research. Second, improving the method by applying it to new research contexts. Third, testing how changes in one dimension of the crowdsourcing models interact with other dimension. Fourth, comparing the quality criteria applied in this study to various other quality criteria to improve the method’s usefulness. Overall, this study represents a starting point for further development of the crowdsourced videographic research method.

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Keyhole welding, meaning that the laser beam forms a vapour cavity inside the steel, is one of the two types of laser welding processes and currently it is used in few industrial applications. Modern high power solid state lasers are becoming more used generally, but not all process fundamentals and phenomena of the process are well known and understanding of these helps to improve quality of final products. This study concentrates on the process fundamentals and the behaviour of the keyhole welding process by the means of real time high speed x-ray videography. One of the problem areas in laser welding has been mixing of the filler wire into the weld; the phenomena are explained and also one possible solution for this problem is presented in this study. The argument of this thesis is that the keyhole laser welding process has three keyhole modes that behave differently. These modes are trap, cylinder and kaleidoscope. Two of these have sub-modes, in which the keyhole behaves similarly but the molten pool changes behaviour and geometry of the resulting weld is different. X-ray videography was used to visualize the actual keyhole side view profile during the welding process. Several methods were applied to analyse and compile high speed x-ray video data to achieve a clearer image of the keyhole side view. Averaging was used to measure the keyhole side view outline, which was used to reconstruct a 3D-model of the actual keyhole. This 3D-model was taken as basis for calculation of the vapour volume inside of the keyhole for each laser parameter combination and joint geometry. Four different joint geometries were tested, partial penetration bead on plate and I-butt joint and full penetration bead on plate and I-butt joint. The comparison was performed with selected pairs and also compared all combinations together.

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The purpose of the thesis is to study how mathematics is experienced and used in preschool children’s activities and how preschool teachers frame their teaching of mathematical content. The studies include analyses of children’s actions in different activities from a mathematical perspective and preschool teachers’ intentions with and their teaching of mathematics. Preschool teachers’ understanding of the knowledge required in this area is also scrutinised. The theoretical points of departure are variation theory and sociocultural theory. With variation theory the focus is directed towards how mathematical content is dealt with in teaching situations where preschool teachers have chosen the learning objects. The sociocultural perspective has been chosen because children’s mathematical learning in play often takes place in interactions with others and in the encounter with culturally mediated concepts. The theoretical framework also includes didactical points of departure. The study is qualitative, with videography and phenomenography as metholological research approaches. In the study, video observations and interviews with preschool teachers have been used as data collection methods. The results show that in children’s play mathematics consists of volume, geometrical shapes, gravity, quantity and positioning. The situations also include size, patterns, proportions, counting and the creation of pairs. The preschool teachers’ intentions, planning and staging of their goal-oriented work are that all children should be given the opportunity to discern a mathematical content. This also includes making learning objects visible in here-and-now-situations. Variation and a clear focus on the mathematical content are important in this context. One of the study’s knowledge contributions concerns the didactics of mathematics in the preschool. This relates to the teaching of mathematics and includes the knowledge that preschool teachers regard as essential for their teaching. This includes theoretical and practical knowledge about children and children’s learning and didactical issues and strategies. The conclusion is that preschool teachers need to have a basic knowledge of mathematics and the didactics of mathematics.

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The present work evaluated urban forest indicators, acquired through airborne high-resolution multiespectral images, on the quality of the urban design and its vegetative fraction, in special its trees, in nine neighborhoods of Piracicaba, SP. There were made supervised classifications for characterization of intra-urban elements and the proportions obtained, as exposed soil, tree cover, lawns, asphalt, concrete pavements and roofs. They were studied for the measurement of the urban forest in each place. These variables were related to each other, as well as with the independent variables: population density, people with more than fifteen years of study and family heads with income above twenty minimum wages, obtained through population census. Through the analysis of linear regression variables were identified for intra-urban areas evaluation. Correlations were made and linear regressions among the data obtained from the image and among the proposed indicators. Negative correlations were obtained among population density and arboreal covering and the evaluated indices, in accordance with the predicted in the literature. Composite indicators are proposed, as: the proportion between arboreous space on waterproof space (PAW) and the proportion between arboreous space on building space (PAB). It is concluded by the possibility of the use of those indicators for evaluation of the urban forest and definition of priorities in the execution of ordinances to the improvement of the urban forestry, being prioritized the application of resources in the most lacking neighborhoods.

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Pós-graduação em Artes - IA

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Geociências e Meio Ambiente - IGCE

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Bucknell University's instructional technology division of Library and IT partnered with Professor Carmen Gillespie for an innovative course called "Extreme Creativity".