Foot interaction concepts to support radiological interventions

Abstract

During neuroradiological interventions, physicians need to interact with medical image data, which cannot be done while the hands are occupied. We propose foot input concepts with one degree of freedom, which matches a common interaction task in the operating room. We conducted a study to compare our concepts in regards to task completion time, subjective workload and user experience. Relative input performed signifcantly better than absolute or rate-based input. Our fndings may enable more effective computer interactions in the operating room and similar domains where the hands are not available.