Patent ID: 11969257
Assignee: UAB “DIABETIS”
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 19:
20. A method for detection of arthritis based on temperature asymmetry estimation in joints, the method comprising:
recording, using an optical camera and a thermal camera, a first set of images including an optical image and a thermogram corresponding to a first joint of the joints, and a second set of images including an optical image and a thermogram corresponding to a second joint of the joints, the second joint being contralateral to the first joint;
receiving, by a processor, the first set of images and the second set of images;
aligning, by the processor, the optical image and the thermogram corresponding to first joint and aligning, by the processor, the optical image and the thermogram corresponding to the second joint;
creating, by the processor, a first edge map using information from the first set of images, and creating, by the processor, a second edge map using information from the second set of images;
localizing, by the processor, the first joint in the first set of images based on the first edge map, and localizing, by the processor, the second joint in the second set of images based on the second edge map;
matching, by the processor, specific locations of the first joint in the first set of images to corresponding specific locations of the second joint in the second set of images, the matching including creating, by the processor, a first joint grid of the first joint based on the identifying the location of the first joint, and creating, by the processor, a second joint grid of the second joint based on the identifying the location of the second joint, the creating the first joint grid further includes fine-tuning a first joint template to a first joint base grid, and the creating the second joint grid further includes fine-tuning a second joint template to a second joint base grid;
determining, by the processor, that arthritis of the first joint has occurred in response to a temperature of the first joint at a specific location being greater than a temperature of the second joint at a corresponding specific location by at least a predetermined temperature threshold.