update

zhlds.py

@@ -27,6 +27,7 @@ from PIL import Image
 
 _VERSION = "1.0.0"
 _BASE_URL = "https://cvinthewildeus.blob.core.windows.net/datasets/"
+_FEW_SHOTS_FILE_PATH="subidx/id_label/data_train_#shot/"
 
 _ELEVATER_CITATION = """\
 @article{li2022elevater,
@@ -236,7 +237,8 @@ class ELEVATERConfig(datasets.BuilderConfig):
 
     """BuilderConfig for ELEVATER."""
     def __init__(self, name, description, contact, version, type_, format_,
-                 root_folder, labelmap, num_classes, train, val, test, citation, url, **kwargs):
+                 root_folder, labelmap, num_classes, train, val, test, few_shots_file_path,
+                 citation, url, num_shots, random_seed, **kwargs):
         """BuilderConfig for ELEVATER.
         Args:
           features: `list[string]`, list of the features that will appear in the
@@ -262,8 +264,11 @@ class ELEVATERConfig(datasets.BuilderConfig):
         self.train = train
         self.val = val
         self.test = test
+        self.few_shots_file_path = few_shots_file_path
         self.citation = citation
         self.url = url
+        self.num_shots = num_shots
+        self.random_seed = random_seed
 
 
 class ELEVATER(datasets.GeneratorBasedBuilder):
@@ -292,6 +297,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             },
             citation=_CIFAR_10_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="voc-2007-classification",
@@ -320,6 +328,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=20,
             citation=_VOC_2007_CLASSIFICATION_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="gtsrb",
@@ -348,6 +359,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=43,
             citation=_GTSRB_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="country211",
@@ -376,6 +390,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=211,
             citation=_COUNTRY211_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="rendered-sst2",
@@ -404,6 +421,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=2,
             citation=_RENDERED_SST2_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="kitti-distance",
@@ -432,6 +452,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=4,
             citation=_KITTI_DISTANCE_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="eurosat_clip",
@@ -460,6 +483,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=10,
             citation=_EOROSAT_CLIP_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="resisc45_clip",
@@ -488,6 +514,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=45,
             citation=_RESISC45_CLIP_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="caltech-101",
@@ -512,6 +541,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=45,
             citation=_CALTECH_101_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="cifar-100",
@@ -536,6 +568,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=100,
             citation=_CIFAR_100_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="dtd",
@@ -564,6 +599,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=47,
             citation=_DTD_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="fgvc-aircraft-2013b-variants102",
@@ -592,6 +630,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=100,
             citation=_FGVC_AIRCRAFT_2013B_VARIANTS102_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="food-101",
@@ -616,6 +657,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=101,
             citation=_FOOD_101_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="mnist",
@@ -640,6 +684,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=10,
             citation=_MNIST_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="oxford-flower-102",
@@ -668,6 +715,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=102,
             citation=_OXFORD_FLOWER_102_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="oxford-iiit-pets",
@@ -692,6 +742,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=37,
             citation=_OXFORD_IIIT_PETS_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="patch-camelyon",
@@ -720,6 +773,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=2,
             citation=_PATCH_CAMELYON_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="stanford-cars",
@@ -744,6 +800,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=196,
             citation=_STANFORD_CARS_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="fer-2013",
@@ -772,6 +831,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=7,
             citation=_FER_2013_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
         ELEVATERConfig(
             name="hateful-memes",
@@ -796,6 +858,9 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
             num_classes=2,
             citation=_HATEFUL_MEMES_CITATION,
             url=_BASE_URL,
+            few_shots_file_path=_FEW_SHOTS_FILE_PATH,
+            num_shots=-1,  # 5, 20, 50
+            random_seed=-1,  # 0, 1, 2
         ),
     ]
 
@@ -834,13 +899,26 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
                 "index": os.path.join(_URL, self.config.test['index_path']),
             }
         } 
-        if self.config.val is not None:
-            urls_to_download['val'] = {
-                "images": os.path.join(_URL, self.config.val['files_for_local_usage'][0]),
-                "index": os.path.join(_URL, self.config.val['index_path']),
-            }
+        if self.config.num_shots in [5, 20, 50]:
+            assert self.config.random_seed in [0, 1, 2]
+            few_shots_file_path_temp = _FEW_SHOTS_FILE_PATH.replace('#', str(self.config.num_shots))
+            file_name = 'shot' + str(self.config.num_shots) + '_seed' + str(self.config.random_seed) +  '.json'
+            few_shot_path = os.path.join(_BASE_URL, few_shots_file_path_temp, self.config.name, file_name)
+            urls_to_download["train"]["few_shot"] = few_shot_path
+        else:
+            pass
+
+        # if self.config.val is not None:
+        #     urls_to_download['val'] = {
+        #         "images": os.path.join(_URL, self.config.val['files_for_local_usage'][0]),
+        #         "index": os.path.join(_URL, self.config.val['index_path']),
+        #     }
 
         downloaded_files = dl_manager.download_and_extract(urls_to_download)
+        try:
+            few_shot_train_file = downloaded_files["train"]["few_shot"]
+        except:
+            few_shot_train_file = None
 
         SplitGenerator_list = [
             datasets.SplitGenerator(
@@ -848,6 +926,7 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
                 gen_kwargs={
                     "images": downloaded_files["train"]["images"],
                     "index": downloaded_files["train"]["index"],
+                    "few_shot": few_shot_train_file,
                     "split": datasets.Split.TRAIN,
                 },
             ),
@@ -856,35 +935,53 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
                 gen_kwargs={
                     "images": downloaded_files["test"]["images"],
                     "index": downloaded_files["test"]["index"],
+                    "few_shot": None,
                     "split": datasets.Split.TEST,
                 },
             )]
             
-        if self.config.val is not None:
-            SplitGenerator_list.append(datasets.SplitGenerator(
-                name=datasets.Split.VALIDATION,
-                gen_kwargs={
-                    "images": downloaded_files["val"]["images"],
-                    "index": downloaded_files["val"]["index"],
-                    "split": datasets.Split.VALIDATION,
-                },
-            ))
+        # if self.config.val is not None:
+        #     SplitGenerator_list.append(datasets.SplitGenerator(
+        #         name=datasets.Split.VALIDATION,
+        #         gen_kwargs={
+        #             "images": downloaded_files["val"]["images"],
+        #             "index": downloaded_files["val"]["index"],
+        #             "split": datasets.Split.VALIDATION,
+        #         },
+        #     ))
 
         return SplitGenerator_list
 
-    def _generate_examples(self, images, index, split):
+    def _generate_examples(self, images, index, few_shot, split):
+
+        if few_shot is not None:
+            few_shot_images = []
+            with open(few_shot, encoding="utf-8") as f:
+                data = json.load(f)
+                for item in data:
+                    few_shot_images.append(item['id'].split('@')[-1])
 
         if self.config.name in ["kitti-distance", "resisc45_clip", "hateful-memes"]:
             with open(index, encoding="utf-8") as f:
                 data = json.load(f)
                 for i in range(len(data['images'])):
                     label = data['annotations'][i]['category_id']
-                    path = images + '/' + data['images'][i]['file_name'].split('@')[1]
-                    yield i, {
-                        "image_file_path": path,
-                        "image": path,
-                        "labels": label,
-                    }
+                    path_temp = data['images'][i]['file_name'].split('@')[1]
+                    path = os.path.join(images, path_temp)
+                    
+                    if few_shot is not None:
+                        if path_temp in few_shot_images:
+                            yield i, {
+                                "image_file_path": path,
+                                "image": path,
+                                "labels": label,
+                            }
+                    else:
+                        yield i, {
+                            "image_file_path": path,
+                            "image": path,
+                            "labels": label,
+                        }
 
         else:
             with open(index, "r") as f:
@@ -894,10 +991,12 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
 
                     if len(line_split) > 3:
                         image_path_temp = " ".join(line_split[:-1])
-                        path = images + '/' + image_path_temp.split('@')[1]  # image_path_temp[0]
+                        path_temp = image_path_temp.split('@')[1]
                     else:
-                        path = images + '/' + line_split[0].split('@')[1]
+                        path_temp = line_split[0].split('@')[1]
 
+                    path = os.path.join(images, path_temp)
+                    
                     if self.config.type == "classification_multilabel":
                         label = [int(x) for x in line_split[-1].split(',')]
                     else:
@@ -906,9 +1005,18 @@ class ELEVATER(datasets.GeneratorBasedBuilder):
                         except:
                             if self.config.name == "eurosat_clip" and split == 'test':
                                 label = 9
-
-                    yield i, {
-                        "image_file_path": path,
-                        "image": path,
-                        "labels": label,
-                    }
+                    if few_shot is not None:
+                        if path_temp in few_shot_images:
+                            yield i, {
+                                "image_file_path": path,
+                                "image": path,
+                                "labels": label,
+                            }
+                        else:
+                            pass
+                    else:
+                        yield i, {
+                            "image_file_path": path,
+                            "image": path,
+                            "labels": label,
+                        }