Apr. 23, 2010

Image Processing Basics: Camera Models

From Camera Parameters to World Coordinates

  • © ILV Image Works/Fotolia.com© ILV Image Works/Fotolia.com

Applications of image processing in robotics or 3D-metrology often call for the determination of coordinates for points in real space, the so-called world-coordinates, from the data in the image file. The corresponding calculations are based on a quantitative geometric camera model. In contrast to radiometric models, the signal path is not relevant in this context. A geometric camera model describes the image formation from points in the workspace to pixel coordinates in the data file.



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