Thank you very much for making your training code public.
I used your default config file to train the model, just modify the batch_size to 256. The final results achieved 81+ for MPJPE and 88+ for MPVPE.
I don't know why the results are so bad.
[11/04 02:22:49] Training INFO: [Epoch 49/50][Batch 300/357][lr 0.000000][loss_seg: 0.0541][loss_dense: 0.0002][loss_lovasz: 0.0125][loss_joint_left_uv_0: 0.0055][loss_joint_right_uv_0: 0.0054][loss_mesh_left_uv_0: 0.0071][loss_mesh_right_uv_0: 0.0075][loss_joint_left_xyz_0: 0.0066][loss_joint_right_xyz_0: 0.0064][loss_mesh_left_xyz_0: 0.0080][loss_mesh_right_xyz_0: 0.0082][loss_edge_left_0: 0.0135][loss_edge_right_0: 0.0138][loss_normal_left_0: 0.0294][loss_normal_right_0: 0.0300][loss_offset_0: 0.0033][loss_joint_left_uv_1: 0.0052][loss_joint_right_uv_1: 0.0052][loss_mesh_left_uv_1: 0.0069][loss_mesh_right_uv_1: 0.0068][loss_joint_left_xyz_1: 0.0065][loss_joint_right_xyz_1: 0.0063][loss_mesh_left_xyz_1: 0.0079][loss_mesh_right_xyz_1: 0.0078][loss_edge_left_1: 0.0135][loss_edge_right_1: 0.0137][loss_normal_left_1: 0.0292][loss_normal_right_1: 0.0291][loss_offset_1: 0.0031][loss_joint_left_uv_2: 0.0051][loss_joint_right_uv_2: 0.0050][loss_mesh_left_uv_2: 0.0068][loss_mesh_right_uv_2: 0.0067][loss_joint_left_xyz_2: 0.0065][loss_joint_right_xyz_2: 0.0063][loss_mesh_left_xyz_2: 0.0079][loss_mesh_right_xyz_2: 0.0078][loss_edge_left_2: 0.0135][loss_edge_right_2: 0.0136][loss_normal_left_2: 0.0291][loss_normal_right_2: 0.0291][loss_offset_2: 0.0031]
[11/04 02:24:36] Training INFO: Save checkpoint to ./checkpoints/DIR/checkpoint/latest.pth
[11/04 02:30:25] Training INFO: MPJPE_0: left 80.77075399604499 mm, right 81.86647319326214 mm, AVG 81.31861359465356 mm
[11/04 02:30:25] Training INFO: MPVPE_0: left 87.17533539907605 mm, right 89.05994439241933 mm, AVG 88.11763989574769 mm
[11/04 02:30:25] Training INFO: MPJPE_1: left 80.8181789283659 mm, right 82.71075034258412 mm, AVG 81.76446463547501 mm
[11/04 02:30:25] Training INFO: MPVPE_1: left 87.29970373359382 mm, right 89.37457580776776 mm, AVG 88.33713977068078 mm
[11/04 02:30:25] Training INFO: MPJPE_2: left 81.22921638629016 mm, right 83.13988862084408 mm, AVG 82.18455250356712 mm
[11/04 02:30:25] Training INFO: MPVPE_2: left 87.71276979469785 mm, right 89.84211043399922 mm, AVG 88.77744011434854 mm