TY - GEN
T1 - Optic cup and disk extraction from retinal fundus images for determination of cup-to-disc ratio
AU - Liu, J.
AU - Wong, D. W.K.
AU - Lim, J. H.
AU - Jia, X.
AU - Yin, F.
AU - Li, H.
AU - Xiong, W.
AU - Wong, T. Y.
PY - 2008
Y1 - 2008
N2 - The ratio of the optic cup to disc (CDR) in retinal fundus images is one of the principal physiological characteristics in the diagnosis of glaucoma. Currently the CDR is manually determined which can be subjective and limits its use in mass screening. To automatically extract the disc, a variational level set method is proposed in this paper. For the cup, two methods making use of color intensity and threshold level set are evaluated. A batch of 73 retinal images from the Singapore Eye Research Centre was used to assess the performance of the determined CDR to the clinical CDR, and it was found that the threshold and variational level set methods produced 97% accuracy in the determined CDR results, an 18% improvement over the color intensity method. The results indicate potential applicability of the methods for automated and objective mass screening for early detection of glaucoma.
AB - The ratio of the optic cup to disc (CDR) in retinal fundus images is one of the principal physiological characteristics in the diagnosis of glaucoma. Currently the CDR is manually determined which can be subjective and limits its use in mass screening. To automatically extract the disc, a variational level set method is proposed in this paper. For the cup, two methods making use of color intensity and threshold level set are evaluated. A batch of 73 retinal images from the Singapore Eye Research Centre was used to assess the performance of the determined CDR to the clinical CDR, and it was found that the threshold and variational level set methods produced 97% accuracy in the determined CDR results, an 18% improvement over the color intensity method. The results indicate potential applicability of the methods for automated and objective mass screening for early detection of glaucoma.
UR - http://www.scopus.com/inward/record.url?scp=51949118776&partnerID=8YFLogxK
U2 - 10.1109/ICIEA.2008.4582835
DO - 10.1109/ICIEA.2008.4582835
M3 - Conference contribution
AN - SCOPUS:51949118776
SN - 9781424417186
T3 - 2008 3rd IEEE Conference on Industrial Electronics and Applications, ICIEA 2008
SP - 1828
EP - 1832
BT - 2008 3rd IEEE Conference on Industrial Electronics and Applications, ICIEA 2008
T2 - 2008 3rd IEEE Conference on Industrial Electronics and Applications, ICIEA 2008
Y2 - 3 June 2008 through 5 June 2008
ER -