Reconstruction of Sewer Shaft Profiles from Fisheye-Lens .
Reconstruction of Sewer Shaft Pro les from Fisheye-Lens Camera Images Sandro Esquivel 1, Reinhard Koch , and Heino Rehse2 1 Christian-Albrechts-University, Kiel, Germany 2 IBAK Helmut Hunger GmbH & Co. KG, Kiel, Germany Abstract.