ΔΙΕΡΕΥΝΗΣΗ ΦΥΣΙΚΟΓΕΩΜΕΤΡΙΚΩΝ ΠΑΡΑΜΕΤΡΩΝ ΓΙΑ ΒΕΛΤΙΣΤΟΠΟΙΗΣΗ ΤΗΣ ΑΚΤΙΝΟΓΡΑΦΙΑΣ

PHOTOGRAPHIC CHARACTERISTICS, CHARACTERISTICS OF IMAGE TRANSFER AND MOTTLE HAVE BEEN INVESTIGATED FOR SEVERAL SCREEN-FILM SYSTEMS. CALCULATIONS ON INFORMATION CAPACITY FOR SCREEN-FILM SYSTEMS HAVE BEEN CONDUCTED AND THE INTRODUCTION OF THE PARAMETER "INFORMATION CAPACITY PER UNIT AREA AND PER UNIT EXPOSURE" HASBEEN PROPOSED. THE DEPENDENCE OF THE EFFECTIVE AND EQUIVALENT FOCAL SPOT SIZEON THE EXPOSURE CONDITIONS HAVE BEEN STUDIED AND THEIR SIGNIFICANCE IN RADIOGRAPHIC IMAGING HAVE BEEN ANALYZED. IN CLOSING, PHYSICAL PARAMETERS ON THE QUALITY OF X-RAY IMAGES AND THEIR DEPENDENCE ON EXPOSURE CONDITIONS HAVE BEEN STUDIED WITH THE USE OF A PHANTOM, IN CONVENTIONAL AND SUPERVOLTAGE RADIOGRAPHY.

Grantor dc:publisher

University of Patras

Year dc:date

1986

Author dc:creator

• Παναγιωτάκης, Γεώργιος

• ΑΚΤΙΝΟΓΡΑΦΙΚΗ ΕΙΚΟΝΑ
• ΑΚΤΙΝΟΓΡΑΦΙΚΟΣ ΘΟΡΥΒΟΣ
• Αντίθεση
• ΕΝΙΣΧΥΤΙΚΗ ΠΙΝΑΚΙΔΑ-ΦΙΛΜ
• Εύρος
• ΜΕΓΕΘΟΣ ΕΣΤΙΑΣ
• Ποιοτικός έλεγχος
• Συνάρτηση Μεταφοράς Διαμόρφωσης
• Χαρακτηριστική καμπύλη
• ΧΩΡΗΤΙΚΟΤΗΤΑ ΠΛΗΡΟΦΟΡΙΑΣ
• Characteristic curve
• Contrast
• FOCAL SPOT SIZE
• INFORMATION CAPACITY
• INTENSIFYING SCREEN-FILM
• LATITUDE
• Modulation transfer function
• Quality control
• RADIOGRAPHIC IMAGE
• RADIOGRAPHIC NOISE
• Ιατρική και Επιστήμες Υγείας
• Κλινική Ιατρική
• Medical and Health Sciences
• Clinical Medicine

Language dc:language

gre

Identifier

10.12681/eadd/0107

OAI identifier oai:identifier

oai:10442/0107