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. 2023 Jul 10;6:14. doi: 10.1186/s42492-023-00140-9

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Fig. 4 — Positional encoding for the feature representations. Top: Sinusoidal representation for the positional encoding (P0-P3) at different indices and dimensions. Bottom: Vector representation for the positional encoding and feature embedding; P is the position encoding and E is the embedding vector