Ambivalence/Hesitancy Recognition in Videos for Personalized Digital Health Interventions. - Manuela González-González; Soufiane Belharbi; Muhammad Osama Zeeshan; Masoumeh Sharafi; Muhammad Haseeb Aslam; Lorenzo Sia; Nicolas Richet; Marco Pedersoli; Alessandro Lameiras Koerich; Simon Bacon; Eric Granger (CoRR, 2026)