![graphs of ultrasound data](https://www.urmc.rochester.edu/neuroscience/_shared/News/740/ultrasound-thumb.jpg)
A conventional ultrasound image (left) is insensitive to the stiffness
or shear modulus of tissue, as
shown in this image of a test object with a 1 cm stiff inclusion. The greater modulus of the inclusion is
clearly revealed in the SMURF image (right).