| 摘要 |
A method for processing ultrasound signal samples obtains enhanced images of a body structure through use of both harmonic and fundamental image processing. The method includes the steps of first obtaining a first plurality of signal samples from sensed backscatter signals that fall within a range of frequencies about a fundamental frequency of the transmitted ultrasound signal. Next, a second plurality of signal samples are obtained from backscatter signals that fall within a range of frequencies about a harmonic of a transmitted ultrasound signal. Control values are then derived from at least one of the first plurality of signal samples or the second plurality of signal samples. Those control values are then utilized to control the processing of the other of the signal samples to derive an improved ultrasound image. In a preferred embodiment, the control values are derived from the signal samples which result from sensed harmonic backscatter signals. Further, the control values are utilized to alter the processing of the fundamental signal samples (e.g., by variation of applied gain, filter frequency, filter bandwidth, etc.).
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