Remove Detectron2 dependency

FUNSD_layoutlmv2.py

@@ -5,8 +5,8 @@ import os
 
 import datasets
 
-from layoutlmft.data.utils import load_image, normalize_bbox
-
+from PIL import Image
+import numpy as np
 
 logger = datasets.logging.get_logger(__name__)
 
@@ -26,6 +26,25 @@ _DESCRIPTION = """\
 https://guillaumejaume.github.io/FUNSD/
 """
 
+def load_image(image_path):
+    image = Image.open(image_path).convert("RGB")
+    w, h = image.size
+    # resize image to 224x224
+    image = image.resize((224, 224)
+    image = np.asarray(image)  
+    image = image[:, :, ::-1] # flip color channels from RGB to BGR
+    image = image.transpose(2, 0, 1) # move channels to first dimension
+    return image, (w, h)
+
+
+def normalize_bbox(bbox, size):
+    return [
+        int(1000 * bbox[0] / size[0]),
+        int(1000 * bbox[1] / size[1]),
+        int(1000 * bbox[2] / size[0]),
+        int(1000 * bbox[3] / size[1]),
+    ]
+
 
 class FunsdConfig(datasets.BuilderConfig):
     """BuilderConfig for FUNSD"""
@@ -40,7 +59,7 @@ class FunsdConfig(datasets.BuilderConfig):
 
 
 class Funsd(datasets.GeneratorBasedBuilder):
-    """Conll2003 dataset."""
+    """FUNSD dataset."""
 
     BUILDER_CONFIGS = [
         FunsdConfig(name="funsd", version=datasets.Version("1.0.0"), description="FUNSD dataset"),