Precise Vascular Visualization in Ultrasonic Power Doppler Imaging with Motion Compensation
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概要
- 論文の詳細を見る
Motion-compensated ultrasonic power Doppler imaging (MC-PDI) is established, in which motion compensation (MC) is applied to frame persistence utilized in conventional ultrasonic power Doppler imaging (PDI). In the Doppler phantom experiment, MC was found to enable the taking of blurless power Doppler (PD) images upon target motion at a high speed for conventional PDI ($> 5$ mm/s). The effect of MC was further found to be independent of the number of frames for persistence. In the tissue experiments, a healthy human kidney, a healthy liver, and a tumor implanted into the rabbit liver, the blood vessels with a diameter of 1 mm or less could be precisely visualized by MC-PDI. An index of the resolution of two blood vessels was defined and it was found that the index for MC-PDI was 2.6 times better than that for conventional PDI of the kidney. These experiments indicate the capability of MC-PDI for precise and blur-free vascular visualization.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2010-07-25
著者
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Kawabata Ken-ichi
Central Research Lab. Hitachi Ltd.
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Yoshikawa Hideki
Central Research Laboratory Hitachi Ltd.
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Azuma Takashi
Central Research Laboratory Hitachi Ltd.
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Kawabata Ken-ichi
Central Research laboratory, Hitachi, Ltd., Kokubunji, Tokyo 185-8601, Japan
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Yoshikawa Hideki
Central Research laboratory, Hitachi, Ltd., Kokubunji, Tokyo 185-8601, Japan
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