quantitative imaging Archives

A framed CBCT cross-section of the jaw, one half a bone image and the other half dissolving into a faint numeric grid, presented as gallery art

09 Oct The Numbers Beneath the Picture: Radiomics and the Quantitative Dental Image

Posted at 19:17h in Dental Imaging by Raymond 0 Comments

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A radiograph is also a field of numbers. Dental radiomics mines the texture a trained eye cannot name — trabecular patterns, gray-level statistics, subtle lesions — and turns the image into a measurable biomarker. A look at what radiomic features are, what recent dental studies...

A single pale cube on a brass museum plinth engraved with a number that appears to shimmer and double, presented as an artwork whose value cannot be trusted.

03 Sep The Number That Lies: Why a CBCT’s Gray Values Are Not True Hounsfield Units

Posted at 10:37h in Dental Imaging by Raymond 0 Comments

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On a medical CT, the number in a voxel is a promise: water reads zero, cortical bone reads a thousand, and the scale means the same thing tomorrow as today. On a cone-beam scan, the same-looking number keeps no such promise - and mistaking one...