Application of threshold detectors for increasing of the contrast in X-ray images

Efficiency in the use of detectors with threshold energy discrimination of radiation ('threshold detectors') for improvement of contrast in X-ray images in quasimonochromatic X-rays is considered. The threshold detectors would allow to eliminate registration of X-rays with energy below of the energy of incident monochromatic X-ray beam. Therefore, incoherent scattered photons will not be registered and contrast will be increased and/or total dose may be reduced