{
  "cfg": {
    "d_model": 256,
    "depth_bridge": 1,
    "depth_ecg": 1,
    "depth_ppg": 2,
    "dropout": 0.1,
    "nhead": 8,
    "patch_len": 40,
    "proj_dim": 256,
    "return_embeddings": true,
    "return_recon": true,
    "seq_len": 1000,
    "source": "ppg+ecg",
    "stem_ch": 32,
    "stem_type": "unet",
    "use_cross_bridge": true
  }
}