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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Classification and analysis of retinal blood vessel pulsations
 Kamar, Yana ; Kolář, Radim (referee) ; Odstrčilík, Jan (advisor)
This diploma thesis deals with the pulsation of the vascular bed on the retina. The goal was to automatically extract the pulsation curve (venous and arterial) from the fundus video, to find the diagnostically significant parameters of these curves and to propose algorithm for evaluating the parameters. The following method was chosen for venous pulsation: the area of the vessel and its surroundings was automatically selected inside the optical disc, the brightness of this area was averaged. For arterial: the brightness of the background of the vessels around the optic disc is averaged. Research was conducted on the topic of parameters to which the work will be devoted. The result is a set of pulse curves of both types. Conducted examination of the parameters of these curves (specifically amplitude). It is also possible to examine the phase shift of the curves relative to each other.
Detailed record
Classification and analysis of retinal blood vessel pulsations
 Kamar, Yana ; Kolář, Radim (referee) ; Odstrčilík, Jan (advisor)
This diploma thesis deals with the pulsation of the vascular bed on the retina. The goal was to automatically extract the pulsation curve (venous and arterial) from the fundus video, to find the diagnostically significant parameters of these curves and to propose algorithm for evaluating the parameters. The following method was chosen for venous pulsation: the area of the vessel and its surroundings was automatically selected inside the optical disc, the brightness of this area was averaged. For arterial: the brightness of the background of the vessels around the optic disc is averaged. Research was conducted on the topic of parameters to which the work will be devoted. The result is a set of pulse curves of both types. Conducted examination of the parameters of these curves (specifically amplitude). It is also possible to examine the phase shift of the curves relative to each other.
Detailed record

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