立体马赛克与倾斜平行投影从许多相机或移动相机

Zhigang Zhu
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引用次数: 6

摘要

本文提出了一种方法,将来自多个摄像机或移动摄像机的图像与外部方向数据(例如GPS和INS数据)融合成几个马赛克图像,以保留3D信息。在这两种情况下,形成一个具有视场重叠的虚拟2D摄像机阵列,以生成场景(或物体)的整个覆盖范围。我们提出了一种表示方法,可以将原始透视图像重新组织成一组具有不同倾斜视角的平行投影。除了提供广阔的视野之外,这种表示还有两个好处。首先,具有不同倾斜视图的马赛克表示在通常的最低点视图中遇到的闭塞。其次,可以由一对倾斜的平行拼接形成立体对,从而实现基于图像的三维观看。这种表示既可以用作高级视频监控接口,也可以用作3D重建的预处理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Stereo mosaics with slanting parallel projections from many cameras or a moving camera
This paper presents an approach of fusing images from many video cameras or a moving video camera with external orientation data (e.g. GPS and INS data) into a few mosaicked images that preserve 3D information. In both cases, a virtual 2D array of cameras with FOV overlaps is formed to generate the whole coverage of a scene (or an object). We propose a representation that can re-organize the original perspective images into a set of parallel projections with different slanting viewing angles. In addition to providing a wide field of view, there are two more benefits of such a representation. First, mosaics with different slanting views represent occlusions encountered in a usual nadir view. Second, stereo pair can be formed from a pair of slanting parallel mosaics thus image-based 3D viewing can be achieved. This representation can be used as both an advanced video interface for surveillance or a pre-processing for 3D reconstruction.
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