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Applied Optics

Applied Optics


  • Vol. 41, Iss. 11 — Apr. 8, 2002
  • pp: 2158–2163

New approach for enlargement of medical electronic endoscopic images

Jianping Wang, Shizhong Xie, Wei Li, and Daoyin Yu  »View Author Affiliations

Applied Optics, Vol. 41, Issue 11, pp. 2158-2163 (2002)

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To compensate for the imperfections of the endoscopic mechanical structure and the limitations of working space, a new technology based on the recursive minimum/maximum method is proposed to enlarge images obtained by the medical electronic endoscope. This method can be used repeatedly to obtain image enlargement to 2× by optimizing the neighborhood information of the pixels of interest in adjustable windows. In order to ensure the best evaluation of the pixel, the algorithm criterion is presented to decide whether the new gray value is assigned to the pixel. Experimental results from enlarged endoscopic images are presented that demonstrate that the recursive minimum/maximum method for image enlargement can preserve the fine details with rich edge information and with better visualization.

© 2002 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(170.2150) Medical optics and biotechnology : Endoscopic imaging

Original Manuscript: September 7, 2001
Revised Manuscript: December 4, 2001
Published: April 10, 2002

Jianping Wang, Shizhong Xie, Wei Li, and Daoyin Yu, "New approach for enlargement of medical electronic endoscopic images," Appl. Opt. 41, 2158-2163 (2002)

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