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<p>images is based on the mathematical procedure <a href="page.php?w=tomographic_reconstruction">tomographic reconstruction</a>, such as <a href="page.php?w=X-ray_computed_tomography">X-ray computed tomography</a> technically being produced from multiple <a href="page.php?w=projectional_radiograph">projectional radiograph</a>s. Many different <a href="page.php?w=reconstruction_algorithm">reconstruction algorithm</a>s exist. Most algorithms fall into one of two categories: <a href="page.php?w=filtered_back_projection">filtered back projection</a> (FBP)</p><p>
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