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) governs the intensity variation of the beam based on the material's linear attenuation coefficient (
: The scanner measures how much an X-ray beam is attenuated (weakened) as it passes through different tissues. Beer-Lambert Law : This physical law ( Download TomodensitomГ©trie principes pdf
: A scale used to quantify tissue density, where water is 0 HU and air is -1,000 HU. 3. Technological Evolutions ) governs the intensity variation of the beam
: The geometric principle used to reconstruct a 2D object from its measured projections. Download TomodensitomГ©trie principes pdf
The raw data gathered by detectors is converted into visual slices through mathematical processes:
