[Analysis of scintigrams using fuzzy theory].
Textural features for phantom images were extracted. Texture parameters which represent RI distribution--skew, energy, entropy and angular second moment were used. But, it was difficult to analyse the images using discriminant analysis for textural features, because textural features had statistical noise. Therefore fuzzy reasoning was adapted to analyse the images. Textural features for six kinds of images were showed using membership function. The possibility to the image was evaluated using the value of membership function on each images. Fuzzy reasoning could be done easily using max-min composition formula. The reasoning was found more suitable to analyse the images than discriminant analysis and will be considered useful for analysis of clinical scintigrams.
Ikeda
H
H
Department of Radiology, Osaka City University Hospital, Japan.
Shimonishi
Y
Y
Ohmura
M
M
Kishimoto
K
K
Kosakai
K
K
Hamada
K
K
Ochi
H
H
D000465:Algorithms; D016002:Discriminant Analysis; D007091:Image Processing, Computer-Assisted; D008961:Models, Structural; D011877:Radionuclide Imaging