A method and apparatus for quantifying and displaying ultrasound signals in an ultrasonic system are provided. A first signal value for each of at least one spatial location in a region of interest is acquired at a first time, and the signal values are summed to obtain a first surface integral value....http://www.google.de/patents/US6193664?utm_source=gb-gplus-sharePatent US6193664 - Method and apparatus for ultrasound image quantification
