Add constraints on shape of text-lines

Closes #144 (closed)

dan/ocr/predict/__init__.py

@@ -129,6 +129,12 @@ def add_predict_parser(subcommands) -> None:
         help="Whether to output objects when plotting attention maps.",
         required=False,
     )
+    parser.add_argument(
+        "--max-object-height",
+        help="Maximum height for predicted objects. If set, grid search segmentation will be applied and width will be normalized to element width.",
+        type=int,
+        default=None,
+    )
     parser.add_argument(
         "--threshold-method",
         help="Thresholding method.",