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Fig. 4 | BMC Ophthalmology

Fig. 4

From: A comparison between a white LED confocal imaging system and a conventional flash fundus camera using chromaticity analysis

Fig. 4

a The crosses are the average (AVG) position of the chromaticity barycenters for the confocal LED (white) and flash color fundus (black) devices; the ellipses represent bivariate Gaussian distributions with standard deviations (SD) equal to the average variability of chromaticity computed on the population of signatures; ellipse area comprises 95% of the distribution. b Ellipses here represent bivariate Gaussian distributions with standard deviations equal to the barycenter variability computed on the population of barycenters; ellipse area comprises 95% of the distribution

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