SMART: system of augmented reality for teaching

Os computadores e os jogos de consola, são um vocabulário bem comum dos jovens e das crianças de hoje. No entanto, na maior parte das escolas, o processo de ensino-aprendizagem continua a ser feito da forma tradicional através do recurso aos quadros pretos e aos cadernos. Este projecto pretende mostrar que, se as aulas forem dadas de uma forma mais interactiva, as crianças estarão mais motivadas e consequentemente a taxa de aprendizagem terá tendência a aumentar. Pretende-se então, utilizar a tecnologia – a Realidade Aumentada, acreditando que será uma mais valia para o ensino, pois permite estabelecer novas relações com o saber, ultrapassando os limites dos materiais tradicionais e contribuindo para a diminuição da distância entre os alunos e o conhecimento.

SysteM of augmented reality for teaching kids: smartkids

As crianças do jardim de infância/pré-escola são um grupo de utilizadores muito especiais, uma vez que se encontram numa fase inicial das suas vidas onde têm de aprender a viver em sociedade, isto é, aprender a ouvir e respeitar as opiniões dos outros, partilhar os mesmos objectos e também a ajudar-se mutuamente. Este estudo mostra que através da utilização da tecnologia Realidade Aumentada, estas crianças são capazes de colaborar de uma forma espontânea suportada pela motivação, envolvimento e curiosidade. Descreve-se o design e a avaliação de um jogo de Realidade Aumentada, que consiste num sistema educativo para o ensino de crianças do pré-escolar. Este jogo permite que as crianças explorem conceitos tais como os animais e os meios onde vivem através de marcadores de Realidade Aumentada e de um tabuleiro de madeira. Estes marcadores consistem nas peças do jogo e através deles, as crianças podem manipular objectos virtuais em 3D. Foram realizados testes com diversas turmas de crianças em diferentes ambientes de aprendizagem, nomeadamente em escolas e num museu. Os resultados sugerem que o jogo é eficaz para obter níveis altos de concentração, motivação e colaboração entre as crianças, particularmente quando o feedback do jogo é fornecido de forma imediata. Os resultados mostram também que o jogo tem um impacto positivo sobre a experiência de aprendizagem das crianças.

Integrating eye tracking in virtual reality for stroke rehabilitation

This thesis reports on research done for the integration of eye tracking technology into virtual reality environments, with the goal of using it in rehabilitation of patients who suffered from stroke. For the last few years, eye tracking has been a focus on medical research, used as an assistive tool  to help people with disabilities interact with new technologies  and as an assessment tool  to track the eye gaze during computer interactions. However, tracking more complex gaze behaviors and relating them to motor deficits in people with disabilities is an area that has not been fully explored, therefore it became the focal point of this research. During the research, two exploratory studies were performed in which eye tracking technology was integrated in the context of a newly created virtual reality task to assess the impact of stroke. Using an eye tracking device and a custom virtual task, the system developed is able to monitor the eye gaze pattern changes over time in patients with stroke, as well as allowing their eye gaze to function as an input for the task. Based on neuroscientific hypotheses of upper limb motor control, the studies aimed at verifying the differences in gaze patterns during the observation and execution of the virtual goal-oriented task in stroke patients (N=10), and also to assess normal gaze behavior in healthy participants (N=20). Results were found consistent and supported the hypotheses formulated, showing that eye gaze could be used as a valid assessment tool on these patients. However, the findings of this first exploratory approach are limited in order to fully understand the effect of stroke on eye gaze behavior. Therefore, a novel model-driven paradigm is proposed to further understand the relation between the neuronal mechanisms underlying goal-oriented actions and eye gaze behavior.

Anonimato e fama no reality show BBB 3

In the present work we make an incursion about the Reality Show, in a specific study of the program Big Brother 3 (BBB 3) approaching the question of Anonymity and Fame, though of its Narratives Strategic. We search to explain phenomenon of transformations of anonymous people in celebrities, showing all net of relationships established by the participants of BBB 3, during the together in the setting house, stage of the tram that tells the daily one of a group of youngs. Supported in concepts of it and Reality Show, the work is link the theories semiotic of means, proposal for Algirda Julien Greimas. We stand out strategies of the program, showing that they on the basis of structuralize elements fiction that stimulate and seduce the receiving public. How empirical reference, the work bases on the program Big Brother Brazil, shown for the Rede Globo de Televisão opened canal, in period of January 14 to April 01 of 2003. Ahead of the results gotten in analysis, we verify that BBB 3 is a format of reality and fiction. What although to create the effect of a hurt of real everything to show, its reality artificial, built principally for edition of the images

Família e TV: mais que dominação e subordinação.

This work analises the social relationship between Television and the Family though the resignification of individuals about Television messages and the speeches that they make about Family. Firstly, the objective is to understand if the principles, values and beliefs constructed and communicated (repassed) inside the Family filter the messages from the Mass Media. Secondly, if there still exists a family culture able to forge identity against so many cultural exchanges. Thirdly, what the function of this identity in the production of senses is. In session 1 and 2, a general approach about the dissemination of Mass Media in Society and the pertinence of the work is presented. Session 3 is about the method used: a qualitative research, with thirteen families from Natal-RN, situated in the Middle Class. The theorical base is considered in the fourth session where the reference to the evolution of the Family is made, with enphasis on the Middle Class and some theories that analyze the pheomenom of the Mass Media , specially in the second half of twentieth century. In session 5 and 6, the research data is presented and analyzed. Finally, in the last session, as a conclusion it can be said that the value of the Family as emotional support is reforced by the speeches and practices that interfere in the signification procces, singular aspects, as well as the social repertoire constructed per si and by institutions (including the family) moreover, mediative message is assimilated by the receiver and becomes understood inside the learned speeches during the receiver‟s history of life, although these messsages are also components in the construction of these repertoire.

Direção espiritual na TV canção nova: análise do discurso do Padre Fábio de Melo

The aim of the research is to analyze Direção Espiritual a TV program produced by Catholic Church and presented by Canção Nova Channel. The program is presented by Father Fábio de Melo, a catholic priest that also is a famous religious singer and writer. The analyses included not only some TV programs, but also interviews with some of the viewers and Fabio de Melo himself. The results points out the emergence in Brazil of a new religious speech from Catholic Church founded in comprehension path, dissociated from punishment and guilty. This religious speech is more like a self help speech rather than a tradicional religious discourse itself, very similar to psychotherapeutic speech. The TV program presented by Fabio de Melo is guided in tiny line of sacre and profane which announces contradictions but also a new blend of religious approach in contemporary days

Visibilidade espetacular e relações de poder no reality show BB9

Dans le présent travail, nous faisons une incursion sur l'exposition de la réalité, dans une étude spécifique du programme Big Brother Brasil 9, approcher le sujet de la visibilité et de l'exposition à travers les concepts de la culture, corps, à et communication. Nous avons lié l'him/it à la théorie de pouvoir proposée par Michel Foucault. Le corps, dans notre analyse, est prisonnier à ordinateur individuel propulse, en camionnant des transformations dans le filet de rapports établis pour les participants de BBB. Nous avons cherché, à travers un plurimetodológica de l'approche, expliquer comme ils sentent les rapports de pouvoir dans ce televisivo du programme/jeu et la transformation des gens anonymes dans célébrités, raconter, avec tout ce avec la logique d'une consommation d'images. Dans l´époque contemporain, les images sont mediateurs puissants de la communication et ils servent de support au midiatique des produits, dans la fiction et banalité ou actions différentes et expériences du quotidien. Comme référence de recherche empirique, le travail est basé au Big Brother-9, a exposé par le Globe Net de Télévision, canal ouvert, dans la période du 13 janvier à avril 07, 2009. Avant que les résultats aient obtenu par l'analyse, nous avons vérifié ce BBB-9 à travers les plusieurs épreuves, les preuves et situations ont créé au-dedans parmi les participants du jeu il met à jour des rapports de pouvoir et d'exclusion, dans le différend pour le succès individuel, le tout coût. Le publique/telespectateur quand participe à travers le vote du programme travaille comme un régulateur pédagogique qu'il qualifie, Il classifique et il punit les conduites privées des joueurs, en étant responsable pour l'acceptation possible, ou pas, des gens, pendant s'écouler du jeu

Família e TV: mais que dominação e subordinação

This work analises the social relationship between Television and the Family though the resignification of individuals about Television messages and the speeches that they make about Family. Firstly, the objective is to understand if the principles, values and beliefs constructed and communicated (repassed) inside the Family filter the messages from the Mass Media. Secondly, if there still exists a family culture able to forge identity against so many cultural exchanges. Thirdly, what the function of this identity in the production of senses is. In session 1 and 2, a general approach about the dissemination of Mass Media in Society and the pertinence of the work is presented. Session 3 is about the method used: a qualitative research, with thirteen families from Natal-RN, situated in the Middle Class. The theorical base is considered in the fourth session where the reference to the evolution of the Family is made, with enphasis on the Middle Class and some theories that analyze the pheomenom of the Mass Media , specially in the second half of twentieth century. In session 5 and 6, the research data is presented and analyzed. Finally, in the last session, as a conclusion it can be said that the value of the Family as emotional support is reforced by the speeches and practices that interfere in the signification procces, singular aspects, as well as the social repertoire constructed per si and by institutions (including the family) moreover, mediative message is assimilated by the receiver and becomes understood inside the learned speeches during the receiver s history of life, although these messsages are also components in the construction of these repertoire

Ler televisão limites do curso tv na escola e os desafios de hoje em Sergipe

In Reading Television: Limits of the course TV in the School and the Challenges of Today in Sergipe , we had as objective to detect that type of critical reading of the cultural texts produced by the television, professionals of the education of the public net of the basic and average education of the state of Sergipe that all had concluded its 3 (three) modules carries through. We were effectively tutorial of the first edition of this course of extension in the distance and witness some inconsistencies in its application, moment where the instigated investigation appeared: ahead of the current necessity of if understanding with a critical sense, the paper that plays it measured them in orchestration of the globalizado world, that type of critical reading of the audiovisual language is capable to carry through a professional of the education that participated of a course of this nature? Beginning with documental analysys and qualitative metodology we try to analyse in four chapters, since the origins and motivations of this course, to the opinions of 10 (ten) former course students about the approaches of the same thematic subject by two different television new programs, without missing the opinions of the tutors about the conditions in which were made 4 (four) consecutive editions of the course in Sergipe nor the concrete relationships estabilished by the former course students and the audiovisual on their everyday routine both at home and at work. We conclude that the reading made by the former course students is based on common sense and then not satisfactory to the requirements of this task nowadays, and at the same time we point out that the course failed, for it presented severe issues in terms of management and operations in its practical application to distance, by priorizing quantity over quality, by linking itself to a deficient technical structure, by not beholding the diosyncrasies nor the fundamental videos the teachers have access everyday and that it all had direct relation with the attachment of this course to a verticalized policy of technologization of brazilian education.

H-N2N : uma arquitetura hierárquica escalável para ambientes de realidade mista de grande porte

In this work, we propose a solution to solve the scalability problem found in collaborative, virtual and mixed reality environments of large scale, that use the hierarchical client-server model. Basically, we use a hierarchy of servers. When the capacity of a server is reached, a new server is created as a sun of the first one, and the system load is distributed between them (father and sun). We propose efficient tools and techniques for solving problems inherent to client-server model, as the definition of clusters of users, distribution and redistribution of users through the servers, and some mixing and filtering operations, that are necessary to reduce flow between servers. The new model was tested, in simulation, emulation and in interactive applications that were implemented. The results of these experimentations show enhancements in the traditional, previous models indicating the usability of the proposed in problems of all-to-all communications. This is the case of interactive games and other applications devoted to Internet (including multi-user environments) and interactive applications of the Brazilian Digital Television System, to be developed by the research group. Keywords: large scale virtual environments, interactive digital tv, distributed

Otimização de modelos de predição da perda de propagação aplicáveis em 3,5GHZ utilizando algoritmos genéticos

The telecommunications industry has experienced recent changes, due to increasing quest for access to digital services for data, video and multimedia, especially using the mobile phone networks. Recently in Brazil, mobile operators are upgrading their networks to third generations systems (3G) providing to users broadband services such as video conferencing, Internet, digital TV and more. These new networks that provides mobility and high data rates has allowed the development of new market concepts. Currently the market is focused on the expansion of WiMAX technology, which is gaining increasingly the market for mobile voice and data. In Brazil, the commercial interest for this technology appears to the first award of licenses in the 3.5 GHz band. In February 2003 ANATEL held the 003/2002/SPV-ANATEL bidding, where it offered blocks of frequencies in the range of 3.5 GHz. The enterprises who purchased blocks of frequency were: Embratel, Brazil Telecom (Vant), Grupo Sinos, Neovia and WKVE, each one with operations spread in some regions of Brazil. For this and other wireless communications systems are implemented effectively, many efforts have been invested in attempts to developing simulation methods for coverage prediction that is close to reality as much as possible so that they may become believers and indispensable tools to design wireless communications systems. In this work wasm developed a genetic algorithm (GA's) that is able to optimize the models for predicting propagation loss at applicable frequency range of 3.5 GHz, thus enabling an estimate of the signal closer to reality to avoid significant errors in planning and implementation a system of wireless communication

Trendtv : uma arquitetura para mudança automática de canais de TV baseada em redes sociais virtuais com graus de amizade e suporte a múltiplos dispositivos no cenário da TV digital brasileira

Due to the large amount of television content, which emerged from the Digital TV, viewers are facing a new challenge, how to find interesting content intuitively and efficiently. The Personalized Electronic Programming Guides (pEPG) arise as an answer to this complex challenge. We propose TrendTV a layered architecture that allows the formation of social networks among viewers of Interactive Digital TV based on online microblogging. Associated with a pEPG, this social network allows the viewer to perform content filtering on a particular subject from the indications made by other viewers of his network. Allowing the viewer to create his own indications for a particular content when it is displayed, or to analyze the importance of a particular program online, based on these indications. This allows any user to perform filtering on content and generate or exchange information with other users in a flexible and transparent way, using several different devices (TVs, Smartphones, Tablets or PCs). Moreover, this architecture defines a mechanism to perform the automatic exchange of channels based on the best program that is showing at the moment, suggesting new components to be added to the middleware of the Brazilian Digital TV System (Ginga). The result is a constructed and dynamic database containing the classification of several TV programs as well as an application to automatically switch to the best channel of the moment

Análise de desempenho de um fogão solar construído a partir de sucatas de antena de tv

Given the growing environmental crisis caused by degradation, mainly due to the use of polluting energy sources, increasing the growing use of renewable energies worldwide, with emphasis on solar energy, an abundant supply and available to everyone, which can be harnessed in several ways: electricity generation; dehydration of food; heating, disinfection and distillation and cooking. The latter has as its primary feature the viability of clean, renewable energy for society, combating ecological damage caused by large-scale use of firewood for cooking foods, use in tropical countries with high solar radiation, and has funding NGOs throughout the world with the goal of achieving low-income population. The proposed project consists of a solar cooker for concentration, working from the reflection of sunlight by a hub that they converge to a focal point at the bottom of the pot, getting lots of heat. The solar cooker under study consists of two elliptical reflecting parabolas made from the recycling of scrap TV antenna, having 0.29 m² of surface area for each antenna, which were covered by multiple mirrors of 2 mm thick and mounted on a metal structure, with correction for the mobility of the apparent movement of the sun. This structure was built with the recycling of scrap metal, possessing a relatively low cost compared with other solar cookers, around US$ 50.00. This cost becomes negligible, since that will involve a great benefit to not have fuel costs for each meal, unlike the use of gas or firewood for cooking food. The tests show that the cooker has reached the maximum temperature of 740 ° C, for boiling water in an average time of 28 minutes, cooking various types of foods such as potatoes, rice and pasta in an average time of 45 minutes and still going as a solar oven, making pizza baking and meat. These cooking times do not differ much from the cooking times on a gas stove, it becomes the solar cooker as a good consumer acceptance, and furthermore not to deliver the same gases that can poison the food as with the wood stove. Proves the viability of using the stove to cook or bake in two daily meals for a family, still presenting a position to improve his performance with the addition of new materials, equipment and techniques

A criança e o brinquedo-TV: análise sobre o discurso publicitário direcionado para a infância na Rede Globo de Televisão

Esta investigación es un análisis del contexto actual que rodea a la publicidad brasileña, más concretamente, la publicidad discurso televisivo dirigido a los niños en Brasil. Análisis de los documentos se basa en la revisión retórica (Leach, 2004) (SODRE, 2006) A partir de la primera supuesta inadecuación de algunos de sus contenidos al público para que se comunican. También investiga las posibilidades de regulación y la educación del consumidor y el papel de los medios de comunicación en la sociedad mediante la movilización exigiendo el cumplimiento y la mejora de la legislación vigente, evitando los posibles abusos y distorsiones de las secciones generales de la ley. Hemos llevado a cabo por separado se analiza en los niños y sus conceptualizaciones y la función social, abordando también el juguete y el acto de jugar hoy y su sede histórica en un intento de crear una fundación que apoya el análisis de la relación entre la infancia y la publicidad y el consumo, basado en obras de Roger Silverstone, Kapferer, Leontiev y Walter Benjamin. También se hicieron inferencias basadas en estudios de Pablo Del Río, sobre las posibles consecuencias psicológicas del consumo de medios por los niños, sin embargo, en arvorarmos llevar a cabo investigaciones en el estudio de la recepción. Se enfrentarán, tanto en acciones a favor de la aprobación de la Ley 5.921/2001 N º Suplente sugiere que la prohibición de la publicidad infantil en todo el país, los enfoques ampliamente "integrado" y por lo tanto, favorables a la continuidad de la actividad publicitaria en el país bajo la acción de la CONAR de autorregulación, lo que demuestra sin embargo, la viabilidad de ambas propuestas. Tambien relativa a el CONAR se llevó a cabo un estudio sobre su Consejo Asesor, dando a entender su composición y características. Por último, se estudian las posibilidades y el concepto de la educación para el consumo de los medios de comunicación, a partir de la utilización de los recursos de los propios medios de comunicación, como una propuesta para un cambio de paradigma en el mercado de la publicidad en Brasil. En conclusión, vemos que a partir del análisis de la publicidad comercial de los niños atendidos por la Red Globo de Televisión, en una muestra de 170 inserciones, todavía existen graves lagunas, pero que los desequilibrios se pueden resolver con medidas relativamente sencillas que incluyan campañas de educación y la exigencia de adecuación de los pocos grandes anunciantes que violan la ley. Afortunadamente, una nueva entrega de los anunciantes mostró la responsabilidad social en sus acciones