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Multiple View Geometry of Projector-Camera Systems from Virtual Mutual Projection

机译：虚拟互投影的投影机-摄像机系统的多视图几何

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摘要

Recently, projector camera systems have been used actively for image synthesis and for 3D reconstruction. For using the projector camera systems in these applications, it is very important to compute the geometry between projectors and cameras accurately. Recently, it has been shown that by using the mutual projection of cameras, multiple cameras are calibrated quite accurately. However, this property cannot be used for projector camera systems, since projectors are light-emitting devices and the projection of cameras cannot be obtained in projector images. In this paper, we show that by using the shadow of cameras and the shadow of projectors generated by projector light, we can generate virtual mutual projections between projectors and cameras, and projectors and projectors. These virtual mutual projections can be used for calibrating projector-camera systems quite accurately. Furthermore, the calibration can be achieved without using any 3D points unlike the existing calibration methods. The accuracy of the proposed method is evaluated by using real and synthetic images.
机译：最近，投影仪系统已被积极地用于图像合成和3D重建。为了在这些应用中使用投影仪系统，准确计算投影仪和相机之间的几何结构非常重要。最近，已经显示出通过使用照相机的相互投影，可以相当精确地校准多个照相机。但是，由于投影仪是发光设备，并且无法在投影仪图像中获得相机的投影，因此该属性无法用于投影仪的相机系统。在本文中，我们展示了通过使用照相机的阴影和由投影仪光生成的投影仪的阴影，我们可以在投影仪和照相机之间以及投影仪和投影仪之间生成虚拟的相互投影。这些虚拟相互投影可用于相当准确地校准投影机-相机系统。此外，与现有的校准方法不同，无需使用任何3D点即可实现校准。通过使用真实图像和合成图像来评估所提出方法的准确性。

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  • 来源
  • 会议地点 Tokyo(JP);Tokyo(JP)
  • 作者

    Shuhei Kobayashi; Fumihiko Sakaue; Jun Sato;

  • 作者单位

    Department of Computer Science and Engineering Nagoya Institute of Technology Nagoya 466-8555, Japan;

    Department of Computer Science and Engineering Nagoya Institute of Technology Nagoya 466-8555, Japan;

    Department of Computer Science and Engineering Nagoya Institute of Technology Nagoya 466-8555, Japan;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计算机网络;
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