GPU augmentation. try1

preprocessing-cuda.py

@@ -1,13 +1,9 @@
 import os
 import time
-import numpy as np
 import cv2
 from pathlib import Path
-import concurrent.futures
-
 import nvidia.dali as dali
 import nvidia.dali.fn as fn
-import nvidia.dali.types as types
 
 from constants import (
     data_images_dir,
@@ -16,7 +12,6 @@ from constants import (
     processed_labels_dir
 )
 
-# Configurable number of augmentations per image
 NUM_AUGMENTATIONS = 7
 
 
@@ -64,7 +59,12 @@ class DataLoader:
             # Random augmentations with GPU acceleration
             augmented_images = []
             for _ in range(NUM_AUGMENTATIONS):
-                aug_image = fn.random_resized_crop(images, random_area=(0.8, 1.0))
+                aug_image = fn.random_resized_crop(
+                    images,
+                    device='gpu',
+                    min_scale=0.8,
+                    max_scale=1.0
+                )
 
                 # Apply multiple random augmentations
                 aug_image = fn.flip(aug_image, horizontal=fn.random.coin_flip())
@@ -93,7 +93,7 @@ class DataLoader:
             # Also include original image
             augmented_images.append(images)
 
-            return augmented_images
+            return tuple(augmented_images)
 
         return augmentation_pipeline()