Zhang Song
Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
Appl Opt. 2012 Jun 20;51(18):4058-64. doi: 10.1364/AO.51.004058.
This paper presents the idea of naturally encoding three-dimensional (3D) range data into regular two-dimensional (2D) images utilizing computer graphics rendering pipeline. The computer graphics pipeline provides a means to sample 3D geometry data into regular 2D images, and also to retrieve the depth information for each sampled pixel. The depth information for each pixel is further encoded into red, green, and blue color channels of regular 2D images. The 2D images can further be compressed with existing 2D image compression techniques. By this novel means, 3D geometry data obtained by 3D range scanners can be instantaneously compressed into 2D images, providing a novel way of storing 3D range data into its 2D counterparts. We will present experimental results to verify the performance of this proposed technique.
本文提出了一种利用计算机图形渲染管线将三维（3D）距离数据自然编码为常规二维（2D）图像的理念。计算机图形管线提供了一种将3D几何数据采样到常规2D图像中的方法，同时还能检索每个采样像素的深度信息。每个像素的深度信息会进一步编码到常规2D图像的红色、绿色和蓝色颜色通道中。这些2D图像可以使用现有的2D图像压缩技术进一步压缩。通过这种新颖的方式，3D距离扫描仪获取的3D几何数据可以瞬间压缩为2D图像，为将3D距离数据存储为其2D对应形式提供了一种新方法。我们将展示实验结果以验证该技术的性能。
