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Rugged, obstruction-free, mirror-lens combination for panoramic imaging
1Department of Neurobiology and Center of Excellence Cognitive Interaction Technology, Bielefeld University, P.O. Box 100131, 33501 Bielefeld, Germany. wolfgang.stuerzl@uni-bielefeld.de
Applied Optics
|November 13, 2008
Summary
This study introduces an innovative panoramic imaging system using lenses and reflective surfaces for unobstructed wide-angle views. The novel design avoids obstruction in the forward direction, offering a 260-degree field of view.
Area of Science:
- Optics and Photonics
- Imaging Systems Engineering
Background:
- Traditional panoramic imaging systems often suffer from obstructed forward views.
- Existing wide-angle lenses can have limitations in field of view or image quality.
Purpose of the Study:
- To develop a novel panoramic imaging system with an unobstructed forward view.
- To achieve a wide field of view (approximately 260 degrees) with minimal viewpoint separation.
Main Methods:
- A system combining a refractive lens and a reflective surface machined into a Perspex enclosure.
- The system is attachable to standard video camera lenses.
- Design incorporates a centrally positioned lens for the central image region and a silver-coated mirror surface for the outer image region.
Main Results:
- Achieved an obstruction-free forward view, unlike single-mirror systems.
- Generated a wide field of view of approximately 260 degrees.
- Minimized internal reflections through specific geometric design of the Perspex enclosure.
Conclusions:
- The new lens and reflective surface combination enables effective obstruction-free wide-angle imaging.
- This design offers a significant advancement for panoramic camera systems requiring clear forward visibility.
