Add pointmlp seed 2026 baseline checkpoints

pointmlp/seed_2026/best_loss.pth

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+version https://git-lfs.github.com/spec/v1
+oid sha256:f1882609d0f5d9135663204c64e522086e574228cc9b9f8f27b24a33f1544ac9
+size 221616451

pointmlp/seed_2026/best_pmt_miou.pth

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+version https://git-lfs.github.com/spec/v1
+oid sha256:3466f3fc68fe14d9322863546318f5ce7fd606b701f8c1e3752e56d9e7dad280
+size 221619455

pointmlp/seed_2026/config.json

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+{
+  "architectures": [
+    "Stage1DirectBaseline"
+  ],
+  "backbone": "pointmlp",
+  "best_loss": 867.8119674956068,
+  "best_pmt_miou": 0.6542483568191528,
+  "dataset": "ZXCCHENGXI/cstnet2_stage1_mini",
+  "epochs": 80,
+  "global_batch_size": 128,
+  "model_config": {
+    "attn_k": 16,
+    "attn_neighbors": 20,
+    "dgcnn_k": 20,
+    "feature_dim": 128,
+    "head_dropout": 0.2,
+    "head_hidden_dim": 128,
+    "model": "pointmlp",
+    "pointmamba_depth": 2,
+    "pointmamba_group_size": 32,
+    "pointmamba_tokens": 128,
+    "pointmamba_width": 64,
+    "pointmlp_group_size": 24,
+    "pointnext_k": 24,
+    "pointtransformer_depth": 3,
+    "pointtransformer_k": 16,
+    "pointtransformer_width": 64
+  },
+  "model_type": "cstnet2_stage1_direct_baseline",
+  "per_gpu_batch_size": 32,
+  "point_count": 2048,
+  "precision": "bfloat16",
+  "recommended_checkpoint": "best_pmt_miou.pth",
+  "seed": 2026,
+  "source_code": "https://github.com/xcheng-tsinghua/cstnet2",
+  "world_size": 4
+}

pointmlp/seed_2026/last.pth

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+version https://git-lfs.github.com/spec/v1
+oid sha256:72f916992ceaf0339febede8f36eb01b0cc09bddc8d37b3ee2f0ef52326d29c1
+size 221612696