Title :
Evaluation of variability and significance of fundus camera lens distortion
Author :
Toderici, George D. ; Esquivel, Adol ; Li, Helen K. ; Kakadiaris, Ioannis A.
Author_Institution :
Visual Comput. Lab., Houston Univ., TX, USA
Abstract :
Six digital fundus cameras were examined to determine degrees of distortion introduced by lenses. Results quantified lens distortion effects on fundus images and demonstrate intrinsic properties in similar camera systems may vary.
Keywords :
biomedical equipment; biomedical optical imaging; calibration; image sensors; medical image processing; optical distortion; photographic lenses; camera calibration; computer-based image analysis; digital fundus camera; fundus images; intrinsic lens parameter; lens distortion effects; photography; Calibration; Digital cameras; Digital images; Distortion measurement; Lenses; Lesions; Optical distortion; Optical imaging; Retina; Transmission line matrix methods; camera calibration; fundus photography; lens distortion;
Conference_Titel :
Engineering in Medicine and Biology Society, 2004. IEMBS '04. 26th Annual International Conference of the IEEE
Print_ISBN :
0-7803-8439-3
DOI :
10.1109/IEMBS.2004.1403460
