Update CC6204-Hackaton-Cub-Dataset.py

CC6204-Hackaton-Cub-Dataset.py

@@ -29,7 +29,7 @@ _URLS = {
    "mini_images_urls": f"{_REPO}/dummy/mini_images.zip"
 }
 
-# Create id-to-label dictionary using the classes file
+# Create ClassId-to-label dictionary using the classes file
 classes = get(_URLS["classes"]).iter_lines()
 _ID2LABEL = {}
 for row in classes:
@@ -41,6 +41,15 @@ for row in classes:
       
 _NAMES = list(_ID2LABEL.values())
 
+# Create imageId-to-ClassID dictionary using the image_class_labels
+img_idx_2_class_idx = get(_URLS["image_class_labels"]).iter_lines()
+_IMGID2CLASSID = {}
+for row in img_idx_2_class_idx:
+   row = row.decode("UTF8")
+   if row != "":
+      idx, class_id = row.split(" ")
+      _IMGID2CLASSID[idx] = int(class_id)
+      
 
 # build from images.txt: a mapping from image_file_name -> id
 imgpath_to_ids = get(_URLS["images"]).iter_lines()
@@ -138,6 +147,6 @@ class CubDataset(datasets.GeneratorBasedBuilder):
          if file_name.endswith(".jpg"):
             yield i, {
                "image": path,
-               "labels": _ID2LABEL[int(image_idx[i])],
+               "labels": _ID2LABEL[_IMGID2CLASSID[image_idx[i]]],
             }