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The application of 2D markerless gait analysis has garnered increasinginterest and application within clinical settings. However, its effectivenessin the realm of lower-limb amputees has remained less than optimal. Inresponse, this study introduces an innovative zero-shot method employing imagegeneration diffusion models to achieve markerless pose estimation forlower-limb prosthetics, presenting a promising solution to gait analysis forthis specific population. Our approach demonstrates an enhancement in detectingkey points on prosthetic limbs over existing methods, and enables clinicians togain invaluable insights into the kinematics of lower-limb amputees across thegait cycle. The outcomes obtained not only serve as a proof-of-concept for thefeasibility of this zero-shot approach but also underscore its potential inadvancing rehabilitation through gait analysis for this unique population.

Diffusion Models Enable Zero-Shot Pose Estimation for Lower-Limb Prosthetic Users