diff --git a/image_processing/processing/transformation.py b/image_processing/processing/transformation.py
index e69de29bb..a726ada29 100644
--- a/image_processing/processing/transformation.py
+++ b/image_processing/processing/transformation.py
@@ -0,0 +1,8 @@
+from skimage.transform import resize
+
+def resize_image(image, proportion):
+    assert 0 <= proportion <= 1, "Specify a valid proportion between 0 and 1."
+    height = round(image.shape[0] * proportion)
+    width = round(image.shape[1] * proportion)
+    image_resized = resize(image, (height, width), anti_aliasing=True)
+    return image_resized
\ No newline at end of file