Update HRNet_W48_C.yaml

ppcls/configs/ImageNet/HRNet/HRNet_W48_C.yaml

@@ -76,6 +76,10 @@ DataLoader:
         image_root: "./dataset/ILSVRC2012/"
         cls_label_path: "./dataset/ILSVRC2012/val_list.txt"
         transform_ops:
+          - ResizeImage:
+              resize_short: 256
+          - CropImage:
+              size: 224
           - NormalizeImage:
               scale: 0.00392157
               mean: [0.485, 0.456, 0.406]