Update README.md

README.md

@@ -28,6 +28,16 @@ Usage:
 from dataclasses import dataclass
 import datasets
 
+# load and path setting
+ds_visdial = datasets.load_dataset('jxu124/visdial')
+path_map = {
+    "coco/train2014": f"/datasets/coco/train2014",
+    "coco/val2014": f"/datasets/coco/val2014",
+    "visdial/VisualDialog_test2018": f"/datasets/visdial/VisualDialog_test2018",
+    "visdial/VisualDialog_val2018": f"/datasets/visdial/VisualDialog_val2018"
+}
+
+# apply to your datasets
 @dataclass
 class ReplaceImagePath():
     path_map: {}
@@ -35,25 +45,5 @@ class ReplaceImagePath():
         for k, v in self.path_map.items():
             features['image'] = features['image'].replace(k, v)
         return features
-
-# setting
-ds_visdial = datasets.load_dataset('jxu124/visdial')
-path_coco = "/path/to/coco"
-path_visdial = "/path/to/jxu124/visdial"
-
-# 解压图片压缩文件（直接内存映射，不消耗时间）
-dl_manager = datasets.DownloadManager()
-path_visdial_dict = datasets.DownloadManager().download_and_extract({
-    "test": f"{path_visdial}/data/VisualDialog_test2018.zip", 
-    "validation": f"{path_visdial}/data/VisualDialog_val2018.zip"
-})
-# 设置路径映射
-path_map = {
-    "coco": path_coco,
-    "visdial/VisualDialog_test2018": f"{path_visdial_dict['test']}/VisualDialog_test2018",
-    "visdial/VisualDialog_val2018": f"{path_visdial_dict['validation']}/VisualDialog_val2018"
-}
-
-# apply your datasets
-ds_visdial = ds_visdial.map(ReplaceImagePath(path_map)).cast_column("image", datasets.Image())
+ds_visdial = ds_visdial.map(ReplaceImagePath(path_map=path_map)).cast_column("image", datasets.Image())
 ```