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Analysis of visual appearance of retinal nerve fibers in high resolution fundus images: a study on normal subjects

R. Kolar, RP. Tornow, R. Laemmer, J. Odstrcilik, MA. Mayer, J. Gazarek, J. Jan, T. Kubena, P. Cernosek,

. 2013 ; 2013 (-) : 134543.

Jazyk angličtina Země Spojené státy americké

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc14074322

The retinal ganglion axons are an important part of the visual system, which can be directly observed by fundus camera. The layer they form together inside the retina is the retinal nerve fiber layer (RNFL). This paper describes results of a texture RNFL analysis in color fundus photographs and compares these results with quantitative measurement of RNFL thickness obtained from optical coherence tomography on normal subjects. It is shown that local mean value, standard deviation, and Shannon entropy extracted from the green and blue channel of fundus images are correlated with corresponding RNFL thickness. The linear correlation coefficients achieved values 0.694, 0.547, and 0.512 for respective features measured on 439 retinal positions in the peripapillary area from 23 eyes of 15 different normal subjects.

Citace poskytuje Crossref.org

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$a The retinal ganglion axons are an important part of the visual system, which can be directly observed by fundus camera. The layer they form together inside the retina is the retinal nerve fiber layer (RNFL). This paper describes results of a texture RNFL analysis in color fundus photographs and compares these results with quantitative measurement of RNFL thickness obtained from optical coherence tomography on normal subjects. It is shown that local mean value, standard deviation, and Shannon entropy extracted from the green and blue channel of fundus images are correlated with corresponding RNFL thickness. The linear correlation coefficients achieved values 0.694, 0.547, and 0.512 for respective features measured on 439 retinal positions in the peripapillary area from 23 eyes of 15 different normal subjects.
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$a Tornow, Ralf P $u Department of Ophthalmology, University of Erlangen-Nuremberg, Schwabachanlage 6, 91054 Erlangen, Germany.
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$a Odstrcilik, Jan $u Department of Biomedical Engineering, Faculty of Electrical Engineering and Communication, University of Technology, Technicka 12, 61600 Brno, Czech Republic ; International Clinical Research Center, Center of Biomedical Engineering, St. Anne's University Hospital Brno, Pekarska 53, 65691 Brno, Czech Republic.
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$a Mayer, Markus A $u Pattern Recognition Lab and Erlangen Graduate School of Advanced Optical Technologies, University of Erlangen-Nuremberg, Martensstraße 3, 91058 Erlangen, Germany.
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