5. Technical notes

• 5.1. Implementations of X-ray speckle-based phase-contrast tomography
  • 5.1.1. Introduction
  • 5.1.2. Data acquisition
  • 5.1.3. Data processing
    • 5.1.3.1. Finding pixel shifts
    • 5.1.3.2. Surface reconstruction
    • 5.1.3.3. Extracting transmission and dark-field signals
    • 5.1.3.4. Tomographic reconstruction
  • 5.1.4. Implementation
    • 5.1.4.1. Design principles
    • 5.1.4.2. Building blocks
  • 5.1.5. Demonstration
• 5.2. Implementations of direct vertical-slice reconstruction for tomography
  • 5.2.1. Introduction
  • 5.2.2. Implementation
    • 5.2.2.1. Requirements
    • 5.2.2.2. Geometry definition
    • 5.2.2.3. Back projection, the ramp filter, and reconstruction
    • 5.2.2.4. Center of rotation determination
  • 5.2.3. Demonstrations
    • 5.2.3.1. Practical insights
    • 5.2.3.2. Workflows