[Spatial frequency spectrum and retreival of radiological images].
D003201:Computers; D003202:Computers, Analog; D003936:Diagnosis, Computer-Assisted; D001330:Electronic Data Processing; D006499:Hepatic Artery / Q000000981:diagnostic imaging; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D010363:Pattern Recognition, Automated; D011859:Radiography; D011877:Radionuclide Imaging; D013679:Technology, Radiologic