Arranging optical fibres for the spatial resolution improvement of topographical images.
Optical topography is a method for visualization of conical activity. Ways of improving the spatial resolution of the topographical image with three arrangements of optical fibres are discussed. A distribution of sensitivity is obtained from the phantom experiment, and used to reconstruct topographical images of an activation area of the brain with the fibres in each arrangement. The correlations between the activated area and the corresponding topographical images are obtained, and the effective arrangement of the optical fibres for improved resolution is discussed.
Yamamoto
Tsuyoshi
T
Advanced Research Laboratory, Hitachi, Ltd, Saitama, Japan.
Maki
Atsushi
A
Kadoya
Takuma
T
Tanikawa
Yukari
Y
Yamad
Yukio
Y
Okada
Eiji
E
Koizumi
Hideaki
H
D001921:Brain / Q000000981:diagnostic imaging*; D006801:Humans; D007091:Image Processing, Computer-Assisted; D019047:Phantoms, Imaging; D011859:Radiography; D012680:Sensitivity and Specificity; D019265:Spectroscopy, Near-Infrared / Q000295:instrumentation / Q000379:methods*