Camera center estimation

Manoj Aggarwal, Narendra Ahuja

Research output: Contribution to journalArticle


A fast camera calibration technique to estimate the center of perspective projection of an imaging camera has been described. The proposed technique requires a single image of two planar calibration charts arranged in a special manner. The special arrangement of the calibration charts simplifies the projection equations relating the 3-D scene coordinates to the 2-D image coordinates and they can be suitably combined to eliminate the unknown intrinsic parameters other than the desired center. We have analyzed the error in the center estimate due to various alignment errors in the experimental setup, and shown that the scheme is quite robust.

Original languageEnglish (US)
Pages (from-to)876-880
Number of pages5
JournalProceedings - International Conference on Pattern Recognition
Issue number1
StatePublished - Dec 1 2000

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition

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