Finding and describing local structure in discrete two-dimensional computed tomograms

Differently scaled intensity discontinuities along the gradient direction of scaled oriented contrast edges define significant X-ray CT and MR image structures. Reliable detection and quantitative description of such scaled intensity discontinuities is achieved with a scale-space approach. It results in an explicit token representation which can be understood as a compact symbolic description of significant image structure, namely a set of quantitative attributes per contrast edge. Moreover, a multi-resolution approach is used to reconstruct the image intensity function from the token representation alone using a membrane as prior image model. Current results from the novel entire processing cascade, which combines a quantitative discontinuity description and a membrane-based intensity reconstruction, are presented