ABSTRACT

In conventional radiography, the x-ray absorption due to an object is measured by projecting a shadow of the object onto a detector. is method, which has traditionally been used to image highly absorbing tissue structures like bones, yields relatively limited contrast from so-tissue structures, which are not highly absorbing. Phase-contrast x-ray methods comprise a class of emerging medical-imaging techniques that aims to employ additional contrast mechanisms to more eectively visualize the so-tissue structures.