Title :
Measurement of ocular torsion using iterative optical flow
Author :
Lee, I.B. ; Choi, B.H. ; Hwang, J.M. ; Kim, S.S. ; Park, K.S.
Author_Institution :
Interdisciplinary Program of Med. & Biol. Eng. Major, Seoul Nat. Univ., South Korea
Abstract :
This work represents a new method for measuring ocular torsion using optical flow. Feature points are obtained from reference and current image, and the relative optical flows of each point are calculated. The feature points are selected according to the strength of corner on the signature of iris. This method is robust and effective in calculation.
Keywords :
biomechanics; biomedical measurement; biomedical optical imaging; eye; feature extraction; image sequences; iterative methods; medical image processing; torsion; feature selection; feature tracking; iris signature; iterative optical flow; ocular torsion measurement; Displacement measurement; Fluid flow measurement; Image edge detection; Image motion analysis; Iris; Iterative algorithms; Iterative methods; Robustness; Shape measurement; Target tracking; Ocular torsion; optical flow;
Conference_Titel :
Engineering in Medicine and Biology Society, 2004. IEMBS '04. 26th Annual International Conference of the IEEE
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-8439-3
DOI :
10.1109/IEMBS.2004.1403453
