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A generic camera model and calibration method for conventional, wide-angle, and fish-eye lenses
1Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FIN-90014, Finland. juho.kannala@ee.oulu.fi
Summary
We developed a new calibration method for fish-eye lenses, enabling accurate measurements. This generic approach works for various camera types, overcoming previous limitations in wide-angle imaging applications.
Area of Science:
- Computer Vision
- Optical Engineering
Background:
- Fish-eye lenses offer a very wide angle of view, useful in many applications.
- Accurate measurement using fish-eye lenses is challenging due to the lack of a universal calibration method.
Purpose of the Study:
- To propose a generic camera model and calibration method for fish-eye lenses.
- To enable accurate measurement applications with wide-angle cameras.
Main Methods:
- Developed a generic camera model applicable to fish-eye, conventional, and wide-angle lenses.
- Implemented a calibration method to estimate the parameters of the proposed camera model.
Main Results:
- The proposed calibration method achieves high accuracy.
- The accuracy is comparable to existing state-of-the-art methods.
Conclusions:
- The new method provides an accurate, generic, and easy-to-use calibration for fish-eye lenses.
- This facilitates wider adoption of fish-eye lenses for precise measurement tasks.
