| Dataset | AMIGOS dataset | 40 participants; EEG (128 Hz), ECG (1000 Hz), GSR (1000 Hz), facial video, self-reported valence/arousal labels | Multimodal ground truth data for affective state modeling |
| Physiological Sensors | EEG headset | Emotiv EPOC+ (14 channels, 128 Hz) | Capturing brain activity related to attention, arousal, and engagement |
| ECG sensor | Biopac MP150 or equivalent (1000 Hz) | Heart rate variability and arousal |
| GSR/EDA sensor | Shimmer GSR+ or equivalent (1000 Hz) | Skin conductance as measure of arousal |
| Behavioral Sensors | Eye-tracking device | Tobii Pro X2-60 or equivalent | Recording gaze fixation and saccades |
| Facial expression recording | High-resolution video camera; analyzed with OpenFace (AUs, gaze vectors) | Extracting facial Action Units (AUs) and gaze cues |
| Environmental Inputs | Audio-visual recording setup | Microphone + Camera (synchronized with stimuli) | Capturing contextual stimuli during exhibition |
| Software / Toolkits | OpenFace | Open-source facial behavior analysis toolkit | Extracting Action Units (AUs), gaze direction |
| MATLAB / Python (NumPy, SciPy, scikit-learn) | Signal preprocessing (resampling, z-score normalization, PSD computation) | Data preprocessing and feature extraction |
| TensorFlowv2.13 / PyTorchv2.0 | Deep learning framework for DCCA and MMFN | Model implementation and training |
| Algorithms / Models | Deep Canonical Correlation Analysis (DCCA) | Nonlinear feature alignment method | Learning correlated latent representations across modalities |
| Multimodal Fusion Network (MMFN) | BiLSTM + Attention-based fusion layers | Hierarchical fusion of heterogeneous modalities for UX state classification |
| Evaluation Metrics | Accuracy, Precision, Recall, F1-Score, Cohen’s Kappa, AUC-ROC, Confusion Matrix | Implemented with scikit-learn / TensorFlow metrics | Model performance assessment |
| Computing Hardware | Workstation / GPU cluster | NVIDIA RTX 3080 (10GB) or equivalent, 32 GB RAM, Intel i9 processor | Model training and simulation |