The University of Alberta in Canada has developed an innovative Augmented Reality (AR) system named ProjectDR, which projects medical imaging—such as CT scans and MRIs—directly onto a patient’s body. This allows doctors to visualize internal anatomy in real time without the need for invasive procedures, offering a non-surgical approach to understanding the human body.
According to the report, ProjectDR was created by Ian Watts, a computer science student at the University of Alberta, along with his colleague Michael Fiest. The system incorporates an action tracking system that uses an infrared camera and a marker placed on the patient's body, paired with a projector to display the images. This combination enables real-time visualization during medical procedures.
One of the biggest challenges in developing the system was ensuring that the images remained accurately aligned with the patient’s body even when they moved. To address this, Watts developed custom software that synchronizes all components of the system, allowing for seamless tracking and projection.
ProjectDR has a wide range of applications, including medical education, physical therapy, laparoscopic surgery, and pre-operative planning. It can also render segmented images, such as highlighting only the lungs or blood vessels, depending on what the medical professional needs to see. Watts is currently working on improving the system, focusing on enhancing its automatic calibration and adding features like depth sensors to increase accuracy.
Professor Pierre Boulanger, the research project director from the Department of Computing Science at the University of Alberta, mentioned that the next phase involves testing the system in a clinical environment. They plan to install ProjectDR in the Surgery Simulation Lab’s operating room to evaluate its performance in real surgical scenarios.
Greg Kawchuk, co-director of the project, added that they are also conducting pilot studies to assess how well the system works in teaching chiropractic and physical therapy techniques. Once these trials are complete, the team plans to move forward with real-world surgical applications.
ProjectDR was showcased at the Virtual Reality Software and Technology Symposium in Gothenburg, Sweden, in November 2017, where it received positive feedback from researchers and medical professionals alike. With ongoing improvements and real-world testing, this technology has the potential to revolutionize how medical professionals interact with patient data during procedures.
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