Conclusion SFOV 4D-CBCT images were found to improve visually when subjected to a simple streak correction. Improvements were likewise observed on quantitative measurements of gradients as well as on CBCT… Click to show full abstract
Conclusion SFOV 4D-CBCT images were found to improve visually when subjected to a simple streak correction. Improvements were likewise observed on quantitative measurements of gradients as well as on CBCT HU to CT HU comparisons, and did not degrade the overall HU levels of the image. With gpu-optimization the calculation time of the method can potentially be reduced to less than a minute which will make it usable for on-line IGRT.
               
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