Title

Simple Calibration Without Metric Information Using An Isoceles Trapezoid

Abstract

This paper addresses the problem of calibrating a pinhole camera from images of an isoceles trapezoid. Assuming a unit aspect ratio and zero skew, we introduce a novel and simple camera calibration approach. The key features of the proposed technique are its simplicity and the lack of need for 3D coordinate information about the calibrating object - i.e. the isosceles trapezoid. By ultilizing the symmetry of such trapezoid, we show that one can obtain both the internal and the external camera parameters. To demonstrate the effectiveness of the algorithm, we present the processing results on synthetic and real images, and compare our results to Zhang's flexible calibration method.

Publication Date

12-17-2004

Publication Title

Proceedings - International Conference on Pattern Recognition

Volume

1

Number of Pages

104-107

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/ICPR.2004.1334018

Socpus ID

10044228175 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/10044228175

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