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Rhombic grids for coherent plane-wave compounding (CPWC) in ultrasound imaging

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Rhombic Grids for Coherent Plane-Wave Compounding

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Simple MATLAB implementation of the rhombic grid [1] for coherent plane-wave compounding.

CIRS040

Getting Started

  1. Clone the repository or download the release to your local hard drive.
git clone https://github.com/mschiffn/rhombic_grids
  1. Add the repository to your MATLAB path using
addpath( genpath( './rhombic_grids' ) )
  1. Run the script example.m

Folder Structure

The repository has the following structure:

.
├── +auxiliary      # auxiliary functions (e.g., dimension and size check)
├── +illustration   # illustration functions (e.g., logarithmic compression)
├── +windows        # classes for various window functions (e.g., boxcar, Hann, Tukey)
├── das_pw.m        # delay-and-sum (DAS) algorithm for arbitrary grids
├── data_RF.mat     # measurement data from tissue phantom
├── example.m       # main script
├── LICENSE         # license file
└── README.md       # this readme

The package +windows contains an exemplary class hierarchy to manage various types of window functions.

Image Formation

The script example.m shows the workflow to reproduce the results in [1].

References 📓

  1. M. F. Schiffner, "Rhombic grids reduce the number of voxels in fast pulse-echo ultrasound imaging," 2022 IEEE Int. Ultrasonics Symp. (IUS), Venice, Italy, Oct. 2022, pp. 1–4. DOI:10.1109/IUS54386.2022.9958278 arXiv Watch on YouTube