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  1. No Access

    Chapter

    A New Method for 3-D Velocity Vector Measurement Using 2-D Phased Array Probe

    To overcome the limitation of the conventional Doppler flowmetry, a new method of 3-D velocity vector measurement was proposed. By detecting the gradient of the weighted phase shift distribution on the receivi...

    Tsuyoshi Shiina, Naotaka Nitta in Acoustical Imaging (2002)

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    Chapter

    Imaging of Tissue Elastic Modulus Distribution Base on Estimated 3-D Displacement Vector

    Herein, we present the 3-D displacement vector measurement method utilizing the 2-D array and the reconstruction method of tissue elastic modulus distribution using the measured 3-D displacement vector. Numeri...

    Tsuyoshi Shiina, Naotaka Nitta in Acoustical Imaging (2000)