[PDF] 3d reconstruction from multiple images part 1 principles

  • What are the principles of 3D reconstruction?

    The principle behind stereo-based 3D reconstruction is very simple: given two images of a point, the point's position in space is found as the intersection of the two projection rays. This procedure is referred to as 'triangulation'.

  • What are the steps of 3D reconstruction?

    The main steps of 3D reconstruction include image acquisition, image selection, feature point extraction and matching, calculation of camera parameters and 3D coordinates of the scene, and production of dense 3D scene models. Of all the steps, the image selection step is necessary and important.

  • What is multi view 3D reconstruction?

    3D Reconstruction from multiple views
    The goal of multiview 3D reconstruction is to infer geometrical structure of a scene captured by a collection of images. Usually the camera position and internal parameters are assumed to be known or they can be estimated from the set of images.
  • The goal of 3D reconstruction is to create a virtual representation of an object or scene that can be used for a variety of purposes, such as visualization, animation, simulation, and analysis. It can be used in fields such as computer vision, robotics, and virtual reality.
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