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Example showing differences between filtered backprojection (right half) and iterative reconstruction method (left half)
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.[1] 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.[2]
^Herman, G. T., Fundamentals of computerized tomography: Image reconstruction from projection, 2nd edition, Springer, 2009
^Wang, Xiao; Sabne, Amit; Kisner, Sherman; Raghunathan, Anand; Bouman, Charles; Midkiff, Samuel (2016-01-01). "High performance model based image reconstruction". Proceedings of the 21st ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming. PPoPP '16. New York, NY, USA: ACM. pp. 2:1–2:12. doi:10.1145/2851141.2851163. ISBN 9781450340922. S2CID 16569156.
and 23 Related for: Iterative reconstruction information
Iterativereconstruction refers to iterative algorithms used to reconstruct 2D and 3D images in certain imaging techniques. For example, in computed tomography...
unrolling iterativereconstruction algorithms. Except for precision learning, using conventional reconstruction methods with deep learning reconstruction prior...
forms the mathematical underpinning for tomographic reconstruction, also known as iterativereconstruction. The Radon transform data is often called a sinogram...
iterative scheme. This method, though fast, subsequently leads to over-smoothing of edges resulting in blurred image edges. TV methods with iterative...
The algebraic reconstruction technique (ART) is an iterativereconstruction technique used in computed tomography. It reconstructs an image from a series...
to construct images of objects Reconstruction algorithm, an algorithm used in iterativereconstructionReconstruction conjecture, in graph theory Reconstructive...
into one of two categories: filtered back projection (FBP) and iterativereconstruction (IR). These procedures give inexact results: they represent a compromise...
to "reconstruct" a 3D image. Reconstruction algorithm Iterativereconstruction Signal processing Signal reconstruction Theußl, Thomas; Hauser, Helwig;...
likelihood model being used in the reconstruction, allowing for additional noise reduction. Iterativereconstruction has also been shown to result in improvements...
In iterativereconstruction in digital imaging, interior reconstruction (also known as limited field of view (LFV) reconstruction) is a technique to correct...
In X-ray computed tomography it is called SIRT - simultaneous iterativereconstruction technique. It has also been used in the computer vision community...
Bouman, Charles (February 1993). "A Local Update Strategy for IterativeReconstruction from Projections" (PDF). IEEE Transactions on Signal Processing...
of the first commercial CT scan technology to use model-based iterativereconstruction. He is a co-inventor on over fifty patents in the field of consumer...
developed since the early 2000s is based on radial FLASH MRI, and iterativereconstruction. This gives a temporal resolution of 20–30 ms for images with an...
Algebraic Reconstruction Technique, filtered backprojection, and as computing power has increased, iterativereconstruction methods such as iterative Sparse...
S2CID 118519311. S. G. Podorov; K. M. Pavlov; D. M. Paganin (2007). "A non-iterativereconstruction method for direct and unambiguous coherent diffractive imaging"...
beam reconstruction algorithms are similar to typical tomographic reconstruction algorithms, and methods such as filtered backprojection or iterative reconstruction...
divided into direct inversion techniques which are often "fast" and iterativereconstruction techniques that are computationally expensive but are able to model...
mathematics and reconstruction algorithms used for CT and OPT are similar; for example, radon transform or iterativereconstruction based on projection...
in 1984. It generates a good reconstruction in just one iteration and it is superior to standard algebraic reconstruction technique (ART). As a measure...
compute the first few PCs. The non-linear iterative partial least squares (NIPALS) algorithm updates iterative approximations to the leading scores and...
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