dataset info and dataset.py changes.

Carla-COCO-Object-Detection-Dataset.py

@@ -112,7 +112,7 @@ class CARLA_COCO(datasets.GeneratorBasedBuilder):
                 "id": annot["id"],
                 "area": annot["area"],
                 "bbox": annot["bbox"],
-                "category": category_id_to_category[annot["category_id"]] + 1,
+                "category": category_id_to_category[annot["category_id"]],
             }
 
         image_id_to_image = {}