The invention discloses a
system for evaluating joint pressure by multiple-modality imaging. The
system is characterized in that the
system comprises an acousto-optic emission component, a
microwave emission component, an ultrasonic probe, an amplification and collection module and a
signal processing module, wherein the acousto-optic emission component and the
microwave emission component alternately emit a
light signal and a
microwave signal to a joint; the ultrasonic probe is used for detecting an acousto-optic
signal and a microwave thermo-acoustic signal generated on the joint; the amplification and collection module is used for amplifying and collecting the acousto-optic signal and the microwave thermo-acoustic signal, and transmitting the acousto-optic signal and the microwave thermo-acoustic signal to the
signal processing module; and the
signal processing module generates an acousto-optic image and a thermo-acoustic image by the acousto-optic signal and the microwave thermo-acoustic signal, and overlaps and reconstructs the acousto-optic image and the thermo-acoustic image to obtain a multiple-modality image. According to the system, an influence on
joint evaluation by fuzzy microwave thermal imaging can be eliminated, and more accurate information in the joint, including
local pressure, abrasion and the like, in the joint can be obtained.