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Browsing by Author Hu, Changhong

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  • Authors: Hu, Changhong (2006)

    Ultrasound imaging is a well-established and widely used clinical technique that shows the cross-sectional image of human tissues. Conventional ultrasound systems are targeted at imaging the heart or abdominal organs and the spatial resolution at this frequency range is on the order of a few millimeter. An ultrasound system will be capable of providing a better spatial resolution if higher frequencies are used. High frequency ultrasonic imaging (> 20 MHz) using single element transducers has been shown to be clinically useful in ophthalmology, dermatology, small animal and intravascular imaging. In recent years, more studies have been carried out on the development of high frequency a...