ABSTRACT

The ability of Analyzer-Based Imaging (ABI) and edge illumination (EI) to produce three parametric images based on absorption, refraction, and scattering is very important, since each of the images can provide additional information compared to conventional X-ray imaging. The ABI pioneers were probably E. Forster et al., who developed what they called the “X-ray Schlieren method” using a double crystal diffractometer for the investigation of shell targets in laser fusion experiments. The chapter reviews main methods for computed tomography (CT) reconstruction jointly for ABI and EI techniques. There are several studies where the ABI method is used for imaging in vitro breast samples with the same goal of identifying mammographic signs in the images. Accurate and quantitative density maps were retrieved from the ABI-CT data by using an advanced mathematical algorithm. Application on excised portions and full human joints using ABI-CT demonstrated the ability of the technique to visualize internal architectural properties of the cartilage matrix in human cartilage samples.