T. Yamaguchi, M. Nakamoto, Y. Sato, Y. Nakajima, K. Konishi et al., Camera model and calibration procedure for oblique-viewing endoscope, Proc. Medical Image Computing and Computer-Assisted Intervention, pp.373-381, 2003.

S. Misra and M. Dwivedi, Colonoscopy and colonoscopic polypectomy using sideviewing endoscope: a useful, effective and safe procedure, Digestive Diseases and Sciences, 2007.

G. Triadafilopoulos, H. D. Watts, J. Higgins, and J. V. Dam, A novel retrograde-viewing auxiliary imaging device (Third Eye Retroscope) improves the detection of simulated polyps in anatomic models of the colon, Gastrointestinal Endoscopy, vol.65, issue.1, pp.139-144, 2007.
DOI : 10.1016/j.gie.2006.07.044

N. Arber, R. Grinshpon, L. Maor, S. Bar-meir, and D. Rex, Proof-of-concept study of the Aer-O-Scope??? omnidirectional colonoscopic viewing system in ex vivo and in vivo porcine models, Endoscopy, vol.39, issue.5, pp.412-417, 2007.
DOI : 10.1055/s-2007-966452

R. Sagawa, M. Takatsuji, T. Echigo, and Y. Yagi, Calibration of lens distortion by structured-light scanning, 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.1349-1354, 2005.
DOI : 10.1109/IROS.2005.1545167

M. D. Grossberg and S. K. Nayar, A general imaging model and a method for finding its parameters, Proceedings Eighth IEEE International Conference on Computer Vision. ICCV 2001, pp.108-115, 2001.
DOI : 10.1109/ICCV.2001.937611