run 2026-10-01_v4-recipeA: gate_failed; comparison updated

models/registry/yolo26n-seg-v4-recipeA-2026-10-02/gold_report.json

@@ -0,0 +1,93 @@
+{
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+    "loop_face": {
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+    "ice": {
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+    "needle": {
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+      "mean_mask_iou": 0.0,
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+  "overall": {
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+  "dataset": {
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+    "missing_predictions": 0,
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+  "gate": {
+    "baseline": "/home/jungfrau/AareLC_train/models/registry/yolo26n-seg-v3-noflip-mask1-2026-09-30/gold_report.json",
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+    "mask_iou_delta": -0.0083,
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+    "class_f1_delta": {
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+      "pin": -0.0036
+    },
+    "pass": false
+  }
+}

models/registry/yolo26n-seg-v4-recipeA-2026-10-02/metadata.json

@@ -0,0 +1,52 @@
+{
+  "model_id": "yolo26n-seg-v4-recipeA-2026-10-02",
+  "family": "yolo26n",
+  "task": "segmentation",
+  "training_date": "2026-10-02",
+  "run": "2026-10-01_v4-recipeA",
+  "dataset": "dataset/2026-10-01_v4",
+  "base_weights": "models/base/yolo26n-seg.pt",
+  "hyperparams": {
+    "epochs": 400,
+    "patience": 50,
+    "imgsz": 640,
+    "batch": 16,
+    "device": "0",
+    "overlap_mask": false,
+    "scale": 0.7,
+    "translate": 0.15,
+    "mosaic": 0.5,
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+    "fliplr": 0.5,
+    "flipud": 0.3,
+    "shear": 5.0,
+    "perspective": 0.0,
+    "mask_ratio": 4
+  },
+  "export_formats": [
+    "pt"
+  ],
+  "metrics": {
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+    "n_matched": 521
+  },
+  "gate": {
+    "baseline": "/home/jungfrau/AareLC_train/models/registry/yolo26n-seg-v3-noflip-mask1-2026-09-30/gold_report.json",
+    "f1_delta": -0.0057,
+    "mask_iou_delta": -0.0083,
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+    "matched_only_iou_delta": -0.0031,
+    "class_f1_delta": {
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+      "pin": -0.0036
+    },
+    "pass": false
+  }
+}