3d Scenes
Mostrando 1-12 de 14 artigos, teses e dissertações.
-
1. TARGET TRACKING IN COMPLEX SCENES BASED ON COMPUTER VISION
RESUMO Objetivo: Usar o modelo de rede de aprendizagem profunda para identificar o conteúdo-chave em vídeos. Metodologia: Após revisão da literatura sobre a visão computadorizada, efetuou-se a extração da característica do vídeo alvo da rede utilizando o aprendizado profundo com o método de melhoramento de dados em séries temporais. Foi explanad
Revista Brasileira de Medicina do Esporte. Publicado em: 2022
-
2. Dynamic Digital Holography for recording and reconstruction of 3D images using optoelectronic devices
Abstract In this work, we present the optical recording and reconstruction of dynamic 3D digital holograms using optoelectronic devices. Digital Holography technique allows recording and reconstruction of three-dimensional images of real objects, since a hologram presents both the intensity and phase information about the object. The experimental implementat
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2017-09
-
3. Recall of scenes encoded from opposing viewpoints
The present research examined the effect, on recall of a scene, of the distribution of viewpoints during the encoding of the scene. Participants completed a visual search task in a 3-D model of a room during which they were given the opportunity to view the room from viewpoints at opposing sides of the room. Subsequently, participants were tasked to recall t
Psychol. Neurosci.. Publicado em: 2014-12
-
4. Reconhecimento de texto e rastreamento de objetos 2D/3D / Text recognition and 2D/3D object tracking
In this thesis we address three computer vision problems: (1) the detection and recognition of flat text objects in images of real scenes; (2) the tracking of such text objects in a digital video; and (3) the tracking an arbitrary three-dimensional rigid object with known markings in a digital video. For each problem we developed innovative algorithms, which
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 19/03/2012
-
5. GERAÇÃO PROCEDURAL DE CENÁRIOS 3D DE CÂNIONS COM FOCO EM JOGOS DIGITAIS / GERAÇÃO PROCEDURAL DE CENÁRIOS 3D DE CÂNIONS COM FOCO EM JOGOS DIGITAIS / PROCEDURAL GENERATION OF 3D SCENES FEATURING CANYONS FOCUSED ON DIGITAL GAMES / PROCEDURAL GENERATION OF 3D SCENES FEATURING CANYONS FOCUSED ON DIGITAL GAMES
Esta dissertação propõe um método procedural não assistido, baseado em técnicas de computação gráfica, visão computacional e busca em grafos, para a geração de cenários 3D de cânions com foco em jogos digitais. Para definir as características a serem reproduzidas, foram analisadas diversas imagens de cânions reais chegando-se em dois modelos,
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 05/03/2012
-
6. Adequação de um framework para suportar realidade virtual em dispositivos móveis / A Framework for 3D Scenes manipulation on mobile devices
Diante das inovações tecnológicas proporcionadas pelo novo paradigma da Computação Móvel, há, cada vez mais, um ambiente propício ao desenvolvimento de software para os mesmos. Grandes dificuldades são encontradas no desenvolvimento de interfaces amigáveis para dispositivos com telas pequenas (Abreu 2005). Pressman (Pressman 2006) considera o proje
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/11/2011
-
7. BUILDING 3D DETECTION AND EXTRACTION IN INFORMAL SETTLEMENT AREAS / DETECÇÃO E EXTRAÇÃO 3D DE EDIFICAÇÕES EM ÁREAS DE ASSENTAMENTOS INFORMAIS
Informal settlements in many Brazilian urban centers are growing up quickly. Remote Sensing techniques provide a cost-effective mean to measure such an expansion. In cities with rough topography, like the city of Rio de Janeiro, the initial expansion, predominantly horizontal, is gradually being shifted to vertical, as new floors are being built on the exist
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 13/04/2011
-
8. Modeling and rendering of real environments
The use of detailed geometric models is a critical factor for achieving realism in most computer graphics applications. In the past few years, we have observed an increasing demand for faithful representations of real scenes, primarily driven by applications whose goal is to create extremely realistic experiences by building virtual replicas of real environm
Publicado em: 2010
-
9. GeraÃÃo de rotas urbanas virtuais usando algoritmos genÃticos
Nowadays, the high level of complexibility designated by duties in many areas are expecting more from the man his natural senses can offered him. The use of Virtual Reality techniques can auxiliate the development of perception, interaction and consequently the every day productivity. Basing it in this idea, this research has as objectivity to create an appl
Publicado em: 2007
-
10. Um ambiente de animacao dinamica de corpos rigidos
The general purpose of this work is the study of the fundamentals of the computer animation and the object-oriented development of a procedural animation system for visualization and dynamic simulations of 3D scenes in science and engineering applications. In such system an animation is specified by an animation language AL and an animation API.AL was derive
Publicado em: 2006
-
11. Projeto de um modelador 3D colaborativo baseado no padrão emergente MPEG-4 MU.
In the last years we have been experiencing advances in networking technologies as well as computer graphics and display technology. As a consequence, a lot of Collaborative Virtual Environments have emerged thanks to the increasing computation capabilities of desktop computers as well as the enormous growth in network bandwidth and the ubiquity of the Inter
Publicado em: 2003
-
12. AN ARCHITECTURE FOR THE VISUALIZATION DISTRIBUTED OF VIRTUAL ENVIRONMENTS / UMA ARQUITETURA PARA A VISUALIZAÇÃO DISTRIBUÍDA DE AMBIENTES VIRTUAIS
A great number of applications requires a visualization system that provides multiple visions of an animated virtual environment. A natural solution is the disposal of multiple devices of visualization around an user, in order to compose a panoramic sight of the scene. In a more elaborated arrangement , panoramic scenes of the virtual environment, acquired f
Publicado em: 1999