Enhancement of optic cup detection from ARGALI using key points
Wong D.W.K.1; Tan N.M.1; Liu J.1; Tan Z.2; Tang Y.2; Zhang Z.1; Lim J.H.1; Ng W.J.2; Li H.1; Lu S.1; Wong T.Y.2
Source Publication2nd International Conference on Biomedical and Pharmaceutical Engineering, ICBPE 2009 - Conference Proceedings
AbstractWe propose a method for improving the accuracy of the optic cup detected from the ARGALI system. This method makes use of key points from the branching points of large vessels, the analysis of intensity variation and kinks from small vessels to obtain an enhanced optic cup. Measures used to assess the detection of the optic cup showed an 11% and 40% improvement in the mean average overlap and relative area difference respectively over the previous method. The difference in the CDR error was also shown to be reduced to less than 0.1CDR units. The improved optic cup detection is more consistent with the clinical ground truth, facilitating its use in ARGALI for mass screening for glaucoma for early detection to save sight. ©2009 IEEE.
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Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.A-Star, Institute for Infocomm Research
2.National University of Singapore
3.Singapore Eye Research Institute
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GB/T 7714
Wong D.W.K.,Tan N.M.,Liu J.,et al. Enhancement of optic cup detection from ARGALI using key points[C],2009.
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