title: Estimation of the ocular point spread function by retina modeling.
abstract: Retinal imaging often suffers from blurring aberrations. With knowledge of the blurring point spread function (PSF), better images can be reconstructed by deconvolution techniques. We demonstrate a method to enhance the contrast of retinal cells by estimating the ocular PSF. This is done by finding the cells' positions and their intensity distributions and using these as a model for the image. The feasibility of this method is demonstrated by Wiener deconvolution both for adaptively and nonadaptively corrected images.
authors.affiliation: Department of Physics, Technion-Israel Institute of Technology, Haifa, Israel.
authors.forename: N
authors.initials: N
authors.lastname: Meitav
authors.forename: E N
authors.initials: EN
authors.lastname: Ribak
mesh_terms: D005240:Feasibility Studies; D007091:Image Processing, Computer-Assisted / Q000379:methods*; D008954:Models, Biological; D057054:Molecular Imaging / Q000379:methods*; D020419:Photoreceptor Cells, Vertebrate / Q000166:cytology; D012160:Retina / Q000166:cytology*