Smartphone-Based Grading and Rehabilitation in Patients With Facial Palsy Using Computer Vision: Prospective Validation Study

Franz-Tassilo Müller-Graff   ¹ , MD, Dr Med ;   Fabian Essig   ² , MD, Dr Med ;   Maximilian U Friedrich   ³ , MD, Dr Med ;   Kathrin Hoika   ¹ , DDS ;   Stephan Hackenberg   ¹ , MD, Prof Dr Med ;   Kristen Rak   ¹ , MD, Prof Dr Med ;   Johannes Taeger   ¹ , MD, Dr Med

¹ Department of Oto-Rhino-Laryngology, Head and Neck Surgery, University Hospital Wuerzburg, Wuerzburg, Germany

² Department of Neurology, University Hospital Wuerzburg, Wuerzburg, Germany

³ Department of Neurology, University Hospital Ulm, Ulm, Germany