Ultrasonic blood flow parameter displaying method, and ultrasonic imaging system therefor

An ultrasonic imaging system, comprising:

• a display;
• a probe configured to transmit an ultrasonic beam to a scan target;
• a receiving circuit and a beam-former configured to receive an echo signal of the ultrasonic beam and perform a beam-forming on the echo signal to obtain an ultrasonic signal;
• and
• an image processor configured to:
• obtain an ultrasonic signal from the scan target through the probe;
• obtain blood flow velocity directions in the scan target according to the ultrasonic signal;
• obtain an ultrasonic image of at least a portion of the scan target according to the ultrasonic signal;
• present the ultrasonic image on the display;
• obtain an indication of a sampling box on the ultrasonic image;
• extract multiple blood flow velocity directions associated with the sampling box;
• calculate an extremum of angle difference of the multiple blood flow velocity directions;
• segment an area of the ultrasonic image associated with the sampling box into a plurality of non-overlapping regions according to a quantification result of the extremum of angle difference for each region;
• and
• construct an icon model comprising a plurality of blocks respectively corresponding to the plurality of non-overlapping regions, wherein each block indicates the extremum of angle difference for the respective region;
• wherein the display is configured to present the icon model simultaneously with the ultrasonic image.

An ultrasonic blood flow parameter displaying method, comprising:

• obtaining an ultrasonic signal from a scan target through a probe;
• obtaining blood flow velocity directions in the scan target according to the ultrasonic signal;
• obtaining an ultrasonic image of at least a portion of the scan target according to the ultrasonic signal;
• displaying the ultrasonic image;
• obtaining an indication of a sampling box on the ultrasonic image;
• extracting multiple blood flow velocity directions associated with the sampling box;
• quantifying a dispersion of the multiple blood flow velocity directions;
• segmenting an area of the ultrasonic image associated with the sampling box into a plurality of non-overlapping regions according to a quantification result of the dispersion for each region;
• constructing an icon model comprising a plurality of blocks respectively corresponding to the plurality of non-overlapping regions, wherein each block indicates a quantification result for the respective region;
• and
• displaying simultaneously with the ultrasonic image:
• the icon model;
• a text indication of the quantification result;
• a rectangular column including a color-coded portion that indicates a magnitude of the quantification result of the dispersion;
• and
• a circular icon containing an arrow, wherein a direction of the arrow represents the quantification result of the dispersion.