Add reproducible grayscale detector corpus

scripts/evaluate_belgium_building_candidate.py

@@ -81,6 +81,7 @@ def main() -> int:
     parser.add_argument("--device", default="cuda:0")
     parser.add_argument("--split", default="val")
     parser.add_argument("--augment", action="store_true", help="Enable deterministic YOLO test-time augmentation.")
+    parser.add_argument("--imgsz", type=int, default=640)
     args = parser.parse_args()
 
     from ultralytics import YOLO
@@ -104,6 +105,7 @@ def main() -> int:
         conf=min(args.thresholds),
         device=args.device,
         augment=args.augment,
+        imgsz=args.imgsz,
         verbose=False,
     )
     observations: list[dict[str, Any]] = []
@@ -152,6 +154,7 @@ def main() -> int:
         "split": args.split,
         "match_iou": args.match_iou,
         "test_time_augmentation": args.augment,
+        "inference_imgsz": args.imgsz,
         "tile_count": len(tiles),
         "sweeps": sweeps,
     }