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. 2026 Jan 20;16:2503. doi: 10.1038/s41598-025-32207-3

Fig. 2.

Fig. 2

Overall architecture of the Compact Convolutional Swin Transformer (CCST) model. The design includes four key stages: patch embedding for feature extraction, positional embedding for encoding temporal structure, multiple Swin Transformer Blocks for hierarchical self-attention, and a Classification Head for final motor imagery EEG decoding.