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Extending Fast Marching Method under Point Light Source Illumination and Perspective Projection

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6 Author(s)
Iwahori, Y. ; Dept. of Comput. Sci., Chubu Univ., Kasugai, Japan ; Iwai, K. ; Woodham, R.J. ; Kawanaka, H.
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An endoscope is a medical instrument that acquires images inside the human body. An endoscope carries its own light source. Classic shape-from-shading can be used to recover the 3-D shape of objects in view. Recent implementations have used the Fast Marching Method (FMM). Previous FMM approaches recover 3-D shape under assumptions of parallel light source illumination and orthographic projection. This paper extends the FMM approach to recover the 3-D shape under more realistic conditions of endoscopy, namely nearby point light source illumination and perspective projection. The new approach is demonstrated through experiment and is seen to improve performance.

Published in:
Pattern Recognition (ICPR), 2010 20th International Conference on

Date of Conference: 23-26 Aug. 2010

Page(s):
1650 - 1653
ISSN :
1051-4651
Print ISBN:
978-1-4244-7542-1
INSPEC Accession Number:
11578006
Conference Location :
Istanbul
Digital Object Identifier :
10.1109/ICPR.2010.408
Product Type:
Conference Publications

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