A pet image reconstruction method and device
A technology of image reconstruction and projection direction, which is applied in the field of image processing and can solve problems such as insufficient reconstruction speed
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[0101] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0102] Under the premise of ensuring that the quality of PET images is not affected, the embodiment of the present invention proposes a PET image reconstruction method based on completely spatially ordered list-mode data to achieve fast three-dimensional iterative reconstruction. The two main factors of non-sequential data access and non-repe...
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