A phase-retrieval toolbox for X-ray holography and tomography

Area of Science:

• Medical Imaging
• Physics
• Materials Science

Background:

• Propagation-based phase-contrast X-ray imaging is a powerful full-field technique.
• Its application in tomography is significant, utilizing synchrotron and laboratory micro-focus sources.
• Limited applicability of traditional phase-retrieval methods has been a bottleneck.

Purpose of the Study:

• To compile a comprehensive set of phase-retrieval algorithms into a single, accessible toolbox.
• To address the limitations of existing phase-retrieval methods in X-ray imaging.
• To facilitate the use and performance testing of diverse algorithms for various experimental conditions.

Main Methods:

• Development of the HoloTomoToolbox, integrating a wide range of phase-retrieval algorithms.
• Standardization of algorithm implementation for unified use.
• Provision of a platform for testing algorithms across different experimental parameters, objects, and constraints.

Main Results:

• The HoloTomoToolbox is now publicly available.
• It encompasses a broad spectrum of phase-retrieval algorithms.
• The unified structure simplifies algorithm application and performance evaluation for X-ray imaging data.

Conclusions:

• The HoloTomoToolbox significantly advances phase-retrieval in X-ray imaging.
• It broadens the applicability of phase-retrieval methods for tomography.
• The toolbox promotes wider adoption and development in the field.