Background noise removal is an easy way to diminish the impact of imperfect signals in the projection blank regions in optical CT imaging of gel dosimeters. The influence of this approach to reconstruction accuracy and noise behaviour is assessed by computational simulations using synthetic phantoms. The results show that an offset is induced in the reconstructed phantom region by background noise removal, but the amplitude of the offset is negligible. Also, no apparent noise or artefact patterns are noticeable. We can conclude that the background noise removal method doesn't impact the reconstruction accuracy of filtered backprojection reconstruction algorithm for optical CT imaging.
|Number of pages||5|
|Journal||Journal of Physics: Conference Series|
|Publication status||Published - 5 Jun 2017|
|Event||9th International Conference on 3D Radiation Dosimetry - Texas, United States|
Duration: 7 Nov 2016 → 10 Nov 2016