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General Linear Cameras

  • Jingyi Yu
  • Leonard McMillan
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3022)

Abstract

We present a General Linear Camera (GLC) model that unifies many previous camera models into a single representation. The GLC model is capable of describing all perspective (pinhole), orthographic, and many multiperspective (including pushbroom and two-slit) cameras, as well as epipolar plane images. It also includes three new and previously unexplored multiperspective linear cameras. Our GLC model is both general and linear in the sense that, given any vector space where rays are represented as points, it describes all 2D affine subspaces (planes) that can be formed by affine combinations of 3 rays. The incident radiance seen along the rays found on subregions of these 2D affine subspaces are a precise definition of a projected image of a 3D scene. The GLC model also provides an intuitive physical interpretation, which can be used to characterize real imaging systems. Finally, since the GLC model provides a complete description of all 2D affine subspaces, it can be used as a tool for first-order differential analysis of arbitrary (higher-order) multiperspective imaging systems.

Keywords

Characteristic Equation Camera Model Pinhole Camera Congruent Triangle Uniform Direction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Jingyi Yu
    • 1
    • 2
  • Leonard McMillan
    • 2
  1. 1.Laboratory of Computer ScienceMassachusetts Institute of TechnologyCambridgeUSA
  2. 2.Department of Computer ScienceUniversity of North Carolina at Chapel HillChapel HillUSA

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