McLiflet: multiple cameras for light field live with thousands of lenslets
McLiflet: multiple cameras for light field live with thousands of lenslets
复制标题
McLiflet：具有数千个小透镜的多台光场相机
DOI：
10.1117/12.587399
复制
发表时间：
2005
期刊：
影响因子：
--
通讯作者：
T. Naemura
中科院分区：
文献类型：
--
作者：
Masaru Kojima;T. Naemura
我们提出了一个名为LIFLET的3D实时视频系统，代表Light Field Live with Thousands of Lenslets。它是一种基于积分摄影光学系统的计算机图形系统。它通过小透镜阵列用相机捕获动态3D场景，并在真实的时间内合成场景的任意视图。虽然合成视图具有高度的照片真实感，但其质量受到光学系统配置和相机像素数量的限制。这种局限性在我们以前的工作中没有得到很好的讨论。本文的主要贡献如下。首先，我们介绍了基于几何光学的理论分析，以制定系统捕获的空间频率的上限。其次，我们提出了一个系统，它使用的组合的一个阵列的小透镜和多个相机的理论分析的基础上。我们称之为McLiflet，因为它是LIFLET的多相机版本。与只使用一个摄像机的先前版本相比，该系统显着提高了合成视图的质量。这一结果证实了我们的理论分析。
We have proposed a 3D live video system named LIFLET which stands for Light Field Live with Thousands of Lenslets. It is a computer graphics system based on the optical system of integral photography. It captures a dynamic 3D scene with a camera through an array of lenslets and synthesizes arbitrary views of the scene in real time. Though synthetic views are highly photo-realistic, their quality is limited by the configuration of the optical system and the number of pixels of the camera. This limitation has not been well discussed in our prior works. The contributions of this paper are as follows. First, we introduce a theoretical analysis based on geometrical optics for formulating the upper limit of spatial frequency captured by the system. Second, we propose a system which uses a combination of an array of lenslets and multiple cameras based on that theoretical analysis. We call it McLiflet since it is a multiple-camera version of LIFLET. The proposed system significantly improves the quality of synthetic views compared with the prior version which uses only one camera. This result confirms our theoretical analysis.