Which of the following is NOT an iterative method of reconstruction in CT imaging?

Fourier Transform is recognized as a mathematical technique used in several imaging modalities, including CT, but it is not classified as an iterative method of reconstruction. In CT imaging, iterative reconstruction methods are designed to improve image quality by refining the image data iteratively, using initial estimates and adjusting them based on error correction algorithms.

Simultaneous reconstruction, ray-by-ray correction, and point-by-point correction are all examples of iterative methods. They involve the refining of image estimates based on the comparison of projected data and actual data acquired by the CT scanner, which allows for significant noise reduction and enhanced image quality.

On the other hand, the Fourier Transform serves primarily to convert data from the spatial domain to the frequency domain and is frequently employed in the initial stages of image reconstruction but does not involve an iterative process. Thus, it is accurate to say that the Fourier Transform is not an iterative method.