ULTRASONIC DIAGNOSTIC IMAGING SYSTEM WITH REDUCED SPATIAL COMPOUNDING SEAM ARTIFACTS

摘要

An ultrasonic diagnostic imaging system produces spatially compounded images by combining component frames acquired from different look directions. Different regions of the spatially compounded images are formed by different numbers of overlapping component frames. Seam artifacts at the boundaries of the regions are reduced by processing the component frames to maintain a common signal and noise characteristic, varying the transmit pulse amplitude or the receiver gain, spatially aligning component frames at the boundaries, or weighting scan lines less heavily at the seam boundaries.