This paper presents a system that allows patients and physicians to experience better communication during medical consultations using Augmented Reality (AR) technology. The AR system can superimpose augmentations (i.e., human body components) onto the real patient's body, and such annotated information serves to form the cornerstone for collaborative work between the two actors. We focus on the advantages of projector-based technology and ARToolKit. Our technique, based on thermal markers (i.e., using human body temperature as a source of information) is used for tracking the location of pain in the patient through the projected augmentations. The second aim of using thermal markers is to protect the patient's privacy. The required calibration method between thermal-camera and projector is also presented. The system's feasibility is demonstrated through development of a complete application.
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