image registration Archives

A gallery triptych: two near-identical bone radiographs and a third flat-grey panel showing only the glowing region where they differ

10 Sep The Art of Seeing Change: Digital Subtraction Radiography and Imaging What the Eye Cannot

Posted at 11:30h in Dental Imaging by Raymond 0 Comments

0 Likes

Two radiographs of the same tooth, taken months apart, can look identical to a trained eye while a real lesion quietly advances between them. Digital subtraction radiography is the technique that makes that invisible change visible: align the two images perfectly, subtract one from the...

Two framed images of the same molar side by side - a color surface scan and a grey radiograph - with light suggesting they are merging

21 Aug Two Ways of Seeing, One Frame: Fusing the Intraoral Scan and the Radiograph Into a Single Image

Posted at 10:38h in Dental Imaging by Raymond 0 Comments

0 Likes

One instrument captures the surface and refuses to look beneath it. The other looks straight through and forgets the surface exists. For decades the clinician fused them in the mind. Now the software does it - and the craft is changing....