No more DPI adjusting

Closes #191 (closed)

Needs testing on a real dataset because training test is failing only because optimizers are different.

dan/ocr/transforms.py

@@ -6,6 +6,7 @@ from enum import Enum
 from random import randint
 
 import albumentations as A
+import cv2
 import numpy as np
 from albumentations.augmentations import (
     Affine,
@@ -190,7 +191,9 @@ def get_augmentation_transforms() -> A.Compose:
     return A.Compose(
         [
             # Scale between 0.75 and 1.0
-            RandomScale(scale_limit=[-0.25, 0], always_apply=True),
+            RandomScale(
+                scale_limit=[-0.25, 0], always_apply=True, interpolation=cv2.INTER_AREA
+            ),
             A.SomeOf(
                 [
                     ErosionDilation(min_kernel=1, max_kernel=4, iterations=1),