Update mini_car_bikes_detection.py

mini_car_bikes_detection.py

@@ -1,6 +1,4 @@
-from PIL import Image
-import numpy as np
-
+import collections
 import json
 import os
 
@@ -42,6 +40,7 @@ class MiniCarBikesDetection(datasets.GeneratorBasedBuilder):
                 "height": datasets.Value("int32"),
                 "objects": datasets.Sequence(
                     {
+                        "id": datasets.Value("int32"),
                         "bbox": datasets.Sequence(datasets.Value("float32"), length=4),
                         "category": datasets.ClassLabel(names=_CATEGORIES),
                     }
@@ -85,7 +84,8 @@ class MiniCarBikesDetection(datasets.GeneratorBasedBuilder):
             }
         with open(annotations_file) as jf:
             annotations = json.load(jf)
-        category_id_to_category = {1: categoty["name"] if categoty["name"] == "Car" else 2 for category in annotations["name"]}
+        labels = {"id":1, "name":'Car'}, {"id":2, "name":'bike'}
+        category_id_to_category = {category["id"]: category["name"] for category in annotations["name"]}
         image_id_to_annotations = collections.defaultdict(list)
         for image_file in image_files:
             image_name = image_file[0].split("/")[1]