%0 Journal Article %T Retinal Vessel Diameter Measurement Using Unsupervised Linear Discriminant Analysis %A Dinesh K. Kumar %A Behzad Aliahmad %A Hao Hao %J ISRN Ophthalmology %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/151369 %U http://dx.doi.org/10.5402/2012/151369