X-ray tomography of samples containing both weakly and strongly absorbing materials are
necessary in material and biomedical imaging. Extending the validity of the phase …

Phase retrieval extracts quantitative phase information from x-ray propagation-based phase-
contrast images. Notwithstanding inherent approximations, phase retrieval using a single …

Phase retrieval is a technique for extracting quantitative phase information from X-ray
propagation-based phase-contrast tomography (PPCT). In this paper, the performance of …

Purpose: Propagation‐based phase‐contrast CT (PPCT) utilizes highly sensitive phase‐
contrast technology applied to x‐ray microtomography. Performing phase retrieval on the …

Propagation-based phase-contrast x-ray imaging (PB-PCXI) generates image contrast by
utilizing sample-imposed phase-shifts. This has proven useful when imaging weakly …

Propagation-based phase-contrast X-ray imaging provides high-resolution, dose-efficient
images of biological materials. A crucial challenge is quantitative reconstruction, referred to …

X-ray Differential phase contrast computed tomography (DPC-CT) is a useful tool to image
internal structure of tested sample, especially for low-Z materials. The image quality of the …

Phase contrast X-ray imaging is increasingly popular in the past decade. In order to acquire
phase contrast X-ray images, different types of imaging mechanisms have been proposed …

Hard x-ray phase-contrast imaging provides high sensitivity to weakly absorbing low-Z
objects in medicine, biology, and materials science. Here, we describe a feasible method to …

A method of tomographic phase retrieval is developed for multi-material objects whose
components each has a distinct complex refractive index. The phase-retrieval algorithm …