| 摘要 |
PROBLEM TO BE SOLVED: To provide an active image having flow feeling by transmitting ultrasonic waves, creating an image from an MTI-processed signal from the received signal based on echo, and processing a created image with frame averaging. SOLUTION: In this ultrasonic image pick-up device constructed by coupling a transmitting/receiving portion 4, a B mode processing potion 6, a Doppler processing potion 8, a moving point processing potion 10, an image processing potion 12, and a display portion 14 to a controlling portion 16, for image pick up, an operating portion 18 is operated for image pick up action in a streamline mode. At this time, the moving point processing potion 10 is structured as a delay line canceller, forms moving point image data in an MTI process, sums an echo received signal and a feedback signal, and sums this summed signal and a signal generated by passing this summed signal through a delay unit to output it. Thus, only a signal corresponding to echo from an echo source (the moving point) during moving is extracted (MIT), and an active image having flow feeling can be created. |
