Patent ID: 8144961

Claim:
An ultrasound diagnostic apparatus for providing on a display an ultrasound image including a target object and a pointer movable on the ultrasound image, comprising: an ultrasound image providing unit configured to provide the ultrasound image including the target object; a contour line extracting unit configured to extract a contour line of the target object in the ultrasound image; a coordinate recognizing unit configured to detect cross points of the pointer and the contour line while the pointer crosses the contour line and recognize coordinates of the cross points; a user input unit configured to receive instructions from a user, said instructions including a selection instruction to select measure points among the cross points and a measure instruction to measure a size of the target object; a measuring unit configured to measure the size of the target object in response to the measure instruction based on coordinates of the measure points selected in response to the selection instruction; and an output unit configured to output the ultrasound image, the pointer, the contour line, the measure points and the size of the target object.