Update mdr_pdf_parser.py

mdr_pdf_parser.py

@@ -1635,10 +1635,11 @@ class MDROcrEngine:
             cls_model_dir=paths["cls"],
             rec_model_dir=paths["rec"],
             rec_char_dict_path=paths["keys"],
-            # --- EXPERIMENT: INCREASE THRESHOLDS ---
-            det_db_thresh=0.5,        # Original was 0.3
-            det_db_box_thresh=0.8,    # Original was 0.6
-            # --- END EXPERIMENT ---
+            # much lower thresholds so we actually get some candidate masks:
+            det_db_thresh=0.1,
+            det_db_box_thresh=0.3,
+            drop_score=0.1,
+            use_angle_cls=False,
         )
         try: self._text_system = _MDR_TextSystem(self._onnx_params); print(f"MDR OCR System initialized.")
         except Exception as e: print(f"ERROR initializing MDR OCR System: {e}"); self._text_system = None