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    Area of Science:

    • Medical Imaging
    • Ultrasound Technology
    • Signal Processing

    Background:

    • Plane Wave Imaging (PWI) and Coherent Plane Wave Compounding (CPWC) improve ultrasound resolution and contrast.
    • CPWC's limitation is reduced frame rates proportional to the number of angles used.
    • This trade-off impacts applications like Shear Wave Imaging (SWI) and strain imaging.

    Purpose of the Study:

    • To reduce the compromise between frame rate and image quality in ultrasound imaging.
    • To enhance image resolution and contrast using fewer plane waves.
    • To leverage Tensor Completion (TC) for reconstructing missing ultrasound data.

    Main Methods:

    • Applied Tensor Completion (TC) to reconstruct ultrasound data from a limited number of plane wave angles.
    • Utilized the Plane Wave Imaging Challenge in Medical Ultrasound (PICMUS) dataset (75 angles).
    • Evaluated image quality based on resolution and contrast metrics.

    Main Results:

    • Using 20% of coherent plane waves (PWs) with TC improved resolution by up to 17.4% compared to using only 20% PWs.
    • Contrast Ratio (CR) improved significantly across simulated and in vivo data (up to 111.4%).
    • Image quality with 20% PWs + TC closely matched full-angle acquisition (less than 2% resolution difference, <5 dB CNR difference).

    Conclusions:

    • Tensor completion offers a method to achieve high-quality ultrasound images with significantly fewer plane waves.
    • This approach allows for higher frame rates, crucial for dynamic imaging applications.
    • The technique effectively balances image quality and acquisition speed in medical ultrasound.