Spatial-Temporal Transformers With Stochastic Time-Warping and Joint-Wise Encoding for Rehabilitation Exercise Assessment. - Tanawat Matangkasombut; Wuttipong Kumwilaisak; Chatchawarn Hansakunbuntheung; Nattanun Thatphithakkul (IEEE Open J. Comput. Soc., 2026)