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Optical flow estimation for measuring microcirculation in human nasal mucosa from contact endoscopic images

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4 Author(s)
Won Jin Yi ; Interdisciplinary Program in Med. & Biol. Eng. Major, Seoul Nat. Univ., South Korea ; Kwangsuk Park ; Chae Seo Rhee ; Chul Hee Lee

Based on the knowledge that increases in nasal obstruction are correlated with transient engorgement of nasal mucosa, the authors made attempts to measure nasal mucosa blood flow from contact endoscopic images. The authors present a new method for measuring blood flow in nasal mucosa using optical flow estimation. From the images blurred with a Gaussian function, the gradients were calculated. Then, local optimization was performed for neighborhood pixels by a least square minimization

Published in:

[Engineering in Medicine and Biology, 1999. 21st Annual Conference and the 1999 Annual Fall Meetring of the Biomedical Engineering Society] BMES/EMBS Conference, 1999. Proceedings of the First Joint  (Volume:2 )

Date of Conference:

Oct 1999