Realistic visualisation of the Pompeii frescoes
Realistic visualisation of the Pompeii frescoes
复制标题
庞贝壁画的真实可视化
DOI：
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发表时间：
2001
期刊：
影响因子：
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通讯作者：
A. Chalmers
中科院分区：
文献类型：
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作者：
K. Devlin;A. Chalmers
三维计算机重建为我们提供了一种可视化过去环境的手段，使我们能够一瞥过去，否则可能很难欣赏。为此目的生成的许多图像都是逼真的，但没有尝试确保它们在物理和感知上是有效的。我们正试图通过使用精确的照明模拟来纠正这些不足。通过确定原始光源的适当光谱数据并使用它们来照亮场景，观众可以在接近原始环境的情况下感知场地及其人工制品。庞贝维蒂宫装饰华丽、保存完好的壁画被选为实施这项研究的主题。本文描述了如何通过使用摄影记录，建模包和来自光谱仪的灯具值，创建三维模型，然后在照明可视化系统中渲染，为我们提供超越逼真的图像，准确地模拟光行为，并允许我们在物理上和感知上有效地查看重建站点。还讨论了捕获真实火焰并将其纳入虚拟场景的方法，目的是在动画场景中重现火焰的运动。
Three dimensional computer reconstruction provides us with a means of visualising past environments, allowing us a glimpse of the past that might otherwise be difficult to appreciate. Many of the images generated for this purpose are photorealistic, but no attempt has been made to ensure they are physically and perceptually valid. We are attempting to rectify these inadequacies through the use of accurate lighting simulation. By determining the appropriate spectral data of the original light sources and using them to illuminate a scene, the viewer can perceive a site and its artefacts in close approximation to the original environment. The richly decorated and well-preserved frescoes of the House of the Vettii in Pompeii have been chosen as a subject for the implementation of this study. This paper describes how, by using photographic records, modelling packages and luminaire values from a spectroradiometer, a three dimensional model can be created and then rendered in a lighting visualisation system to provide us with images that go beyond photorealistic, accurately simulating light behaviour and allowing us a physically and perceptually valid view of the reconstructed site. A method for capturing real flame and incorporating it in a virtual scene is also discussed, with the intention of recreating the movement of a flame in an animated scene.