Mar. 25, 2010
Whitepaper

Image Processing Basics: Camera Calibration

World Coordinates under Control

  • © Anetta/Fotolia.com© Anetta/Fotolia.com

Applications of image processing in robotics or 3D metrology often call for the determination of real-world coordinates from the 2D data in the image file. The relationship between image coordinates and world coordinates can be described by a quantitative model of the image formation process. Geometrical camera calibration provides the values of these parameters by analysis of the images of calibration targets with well-defined reference points. The article describes the principles of this method.

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