Software Tool EmotiphAI A platform for group physiological data collection and emotion annotation in the real world. Python SQL Flask HTML JavaScript FastAPI CSS JQuery WebSockets Multiprocessing Asynchronous Programming Communications Protocols Artificial Intelligence Weighted Group Synchrony Group Synchrony Approach for Emotion Recognition using Physiological Signals Python PyTorch Ray Tune Time Series EDA PPG ECG SSH scikit-learn Dataset G-REx A Real-World Annotated Physiological Dataset of Group Experiences Python seaborn matplotlib data quality