Translation and analysis of words by artificial intelligence
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image reconstruction - translation to greek
 versus filtered backprojection (right).jpg?width=200 "CT scan using iterative reconstruction (left) versus filtered backprojection (right)")
![A single frame from a [[real-time MRI]] (rt-MRI) movie of a [[human heart]]. a) direct reconstruction b) iterative (nonlinear inverse) reconstruction<ref name=uecker2010 />](https://commons.wikimedia.org/wiki/Special:FilePath/Heart-direct-vs-iterative-reconstruction.png?width=200 "A single frame from a [[real-time MRI]] (rt-MRI) movie of a [[human heart]]. a) direct reconstruction b) iterative (nonlinear inverse) reconstruction<ref name=uecker2010 />")
Definition
Wikipedia
Iterative reconstruction refers to iterative algorithms used to reconstruct 2D and 3D images in certain imaging techniques. For example, in computed tomography an image must be reconstructed from projections of an object. Here, iterative reconstruction techniques are usually a better, but computationally more expensive alternative to the common filtered back projection (FBP) method, which directly calculates the image in a single reconstruction step. In recent research works, scientists have shown that extremely fast computations and massive parallelism is possible for iterative reconstruction, which makes iterative reconstruction practical for commercialization.
