数据集大小以及复现问题

[Yi-Heng]

请问为什么论文中数据集大小与下载的数据集大小不一样，论文中北京区域卫星影像2,491，而下载的北京影像为554张，并且训练精度为60.91，请问是否是因为下载的北京数据集为整体数据集的子集导致的精度不高呢

wandb: Run summary: wandb: epoch 99 wandb: loss 0.11191 wandb: lr-AdamW-1/pg1 0.0 wandb: lr-AdamW-1/pg2 0.0 wandb: lr-AdamW-1/pg3 0.0 wandb: lr-AdamW/pg1 0.0 wandb: lr-AdamW/pg2 0.0 wandb: lr-AdamW/pg3 0.0 wandb: max_grad 0.11475 wandb: min_grad 0.00054 wandb: train_acc_seg 98.47717 wandb: train_loss 0.11191 wandb: train_loss_SAM 0.07326 wandb: train_loss_ce 0.03865 wandb: trainer/global_step 8599 wandb: valaacc_0 0.92438 wandb: valacc_0 0.97279 wandb: valacc_1 0.68954 wandb: valiou_0 0.91428 wandb: valiou_1 0.60911 wandb: valmacc_0 83.12 wandb: valmiou_0 76.17 wandb: wandb: You can sync this run to the cloud by running: wandb: wandb sync results/SegSAMPLerEmbMLP/logs/wandb/offline-run-20240418_223613-dwxa2v3y wandb: Find logs at: results/SegSAMPLerEmbMLP/logs/wandb/offline-run-20240418_223613-dwxa2v3y/logs