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. 2022 Feb 16;32(7):4587–4595. doi: 10.1007/s00330-022-08592-y

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Fig. 3 — CT images acquired with 0.2 and 4 mGy and reconstructed with four different reconstruction algorithms. FBP is filtered back projection. AIDR 3D (Adaptive Iterative Dose Reduction 3D), FIRST (Forward projected model-based Iterative Reconstruction SoluTion), and AiCE (Advanced intelligent Clear-IQ Engine) are the manufacturer’s implementation of hybrid iterative reconstruction, model-based iterative reconstruction, and deep learning reconstruction, respectively