Two-Stage Cascade Classification for Pain State Recognition from Physiological Signals
We present our solution to the AI4PAIN 2026 challenge, which requires classifying 10-second long physiological signal into three pain states: No Pain (NP), Hand Pain (HP), and Arm Pain (AP), from four modalities (blood volume pulse, electrodermal activity, respiration, and blood oxygen saturation) recorded at 100Hz. Th...