Linear analysis of single-shot dual-energy computed tomography with a multilayer detector

The sandwich-like multilayer detector can have a unique characteristic when it employs two detector layers having different spatial-resolution properties to each other. Reconstruction of dual-energy (DE) images using a weighted log-subtraction technique then results in the unsharp masking-like effect on the resultant images. We have developed a simple model describing the signal and noise in the sandwich detector-based DE computed tomography...