
handle: 10183/257257
A recent convergence of computer graphics and computer vision has produced a set of techniques collectively known as itnage-based modeling and rendering (IBMR). Image-based modeling refers to the use of images to drive the reconstruction of 3D models. In the case of irnage-based rendering, the goal is to achieve more realistic and faster renderings and to simplify the modeling task by using images, as opposed to polygons, as both modeling and rendering primitives. Image-based approaches can potentially eliminate the labor-intensive task usually required for modeling detailed geometric structures. They can also handle subtle real-world effects captured by images, but difficult to reproduce with conventional graphics techniques. This paper surveys the state-of-the-art in irnage-based modeling and rendering techniques, discussing the fundamental principles behind each technique, their strengths and limitations.
A recente convergência entre computação gráfica e visão computacional levou à criação de um conjunto de técnicas denominadas modelagem e rendering baseados em imagens (MRBI). Modelagem baseada em imagens se refere ao processo de utilização de imagens para reconstrução de modelos geométricos 3D. Rendering baseado em imagens busca a obtenção de um alto grau de realismo, redução do tempo de processamento e simplificação da tarefa de modelagem, através do uso de imagens como primitivas de modelagem e rendering. Tais abordagens tem o potencial de simplificar a representação de cenas complexas e permitir a obtenção de efeitos subtos presentes em cenas reais, mas de difícil reprodução por meio de técnicas convencionais. Este artigo apresenta um levantamento sistemático do estado da-arte em MRBI, discutindo os princípios básicos de cada técnica, suas vantangens e limitações.
Computação gráfica, Realismo : Computacao grafica, Irnage-Based Modeling and Rendering
Computação gráfica, Realismo : Computacao grafica, Irnage-Based Modeling and Rendering
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