论文标题
从两个滚动百叶窗到一个全局百叶窗
From two rolling shutters to one global shutter
论文作者
论文摘要
大多数消费者摄像机都配备了电子滚动快门，当相机在图像捕获过程中移动时会导致图像失真。我们探索了一种令人惊讶的简单相机配置，可以消除滚动快门失真：安装两个相机以具有不同的滚动快门方向。这样的设置易于构建，并且具有仅使用两个图像之间稀疏的点对应关系来纠正滚动快门失真所需的几何约束。我们得出了描述一般和特殊动作的基本几何形状的方程式，并提出了一种有效的方法来找到其解决方案。我们的合成和真实实验表明，我们的方法能够消除所有类型的大型滚动快门失真，而无需依赖任何特定的场景结构。
Most consumer cameras are equipped with electronic rolling shutter, leading to image distortions when the camera moves during image capture. We explore a surprisingly simple camera configuration that makes it possible to undo the rolling shutter distortion: two cameras mounted to have different rolling shutter directions. Such a setup is easy and cheap to build and it possesses the geometric constraints needed to correct rolling shutter distortion using only a sparse set of point correspondences between the two images. We derive equations that describe the underlying geometry for general and special motions and present an efficient method for finding their solutions. Our synthetic and real experiments demonstrate that our approach is able to remove large rolling shutter distortions of all types without relying on any specific scene structure.
