A method and system for correlating accuracy of computer tomography (CT) image resolution is described. Small radio-opaque markers having a diameter less than one slice width of a CT scan are embedded in the object, such as a bony skeletal member, to be measured, the object is then CT scanned so that...http://www.google.se/patents/US5636255?utm_source=gb-gplus-sharePatent US5636255 - Method and apparatus for CT image registration
