diff --git a/EV3 b/EV3
deleted file mode 100644
index e69de29..0000000
diff --git a/notebooks/content/data/train_images_sample/class_repartition.png b/notebooks/content/data/train_images_sample/class_repartition.png
new file mode 100644
index 0000000..72fc7bf
Binary files /dev/null and b/notebooks/content/data/train_images_sample/class_repartition.png differ
diff --git a/notebooks/content/data/train_images_sample/mask/frankfurt_000000_000294_gtFine_labelIds.png b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_000294_gtFine_labelIds.png
new file mode 100644
index 0000000..dfbd036
Binary files /dev/null and b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_000294_gtFine_labelIds.png differ
diff --git a/notebooks/content/data/train_images_sample/mask/frankfurt_000000_000576_gtFine_labelIds.png b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_000576_gtFine_labelIds.png
new file mode 100644
index 0000000..8c9464c
Binary files /dev/null and b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_000576_gtFine_labelIds.png differ
diff --git a/notebooks/content/data/train_images_sample/mask/frankfurt_000000_001016_gtFine_labelIds.png b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_001016_gtFine_labelIds.png
new file mode 100644
index 0000000..5bf8650
Binary files /dev/null and b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_001016_gtFine_labelIds.png differ
diff --git a/notebooks/content/data/train_images_sample/mask/frankfurt_000000_001236_gtFine_labelIds.png b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_001236_gtFine_labelIds.png
new file mode 100644
index 0000000..9f0ca9f
Binary files /dev/null and b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_001236_gtFine_labelIds.png differ
diff --git a/notebooks/content/data/train_images_sample/mask/frankfurt_000000_001751_gtFine_labelIds.png b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_001751_gtFine_labelIds.png
new file mode 100644
index 0000000..cf1cf37
Binary files /dev/null and b/notebooks/content/data/train_images_sample/mask/frankfurt_000000_001751_gtFine_labelIds.png differ
diff --git a/notebooks/content/data/train_images_sample/original/frankfurt_000000_000294_leftImg8bit.png b/notebooks/content/data/train_images_sample/original/frankfurt_000000_000294_leftImg8bit.png
new file mode 100644
index 0000000..159fca8
Binary files /dev/null and b/notebooks/content/data/train_images_sample/original/frankfurt_000000_000294_leftImg8bit.png differ
diff --git a/notebooks/content/data/train_images_sample/original/frankfurt_000000_000576_leftImg8bit.png b/notebooks/content/data/train_images_sample/original/frankfurt_000000_000576_leftImg8bit.png
new file mode 100644
index 0000000..e679e1b
Binary files /dev/null and b/notebooks/content/data/train_images_sample/original/frankfurt_000000_000576_leftImg8bit.png differ
diff --git a/notebooks/content/data/train_images_sample/original/frankfurt_000000_001016_leftImg8bit.png b/notebooks/content/data/train_images_sample/original/frankfurt_000000_001016_leftImg8bit.png
new file mode 100644
index 0000000..fe942d8
Binary files /dev/null and b/notebooks/content/data/train_images_sample/original/frankfurt_000000_001016_leftImg8bit.png differ
diff --git a/notebooks/content/data/train_images_sample/original/frankfurt_000000_001236_leftImg8bit.png b/notebooks/content/data/train_images_sample/original/frankfurt_000000_001236_leftImg8bit.png
new file mode 100644
index 0000000..57bac92
Binary files /dev/null and b/notebooks/content/data/train_images_sample/original/frankfurt_000000_001236_leftImg8bit.png differ
diff --git a/notebooks/content/data/train_images_sample/original/frankfurt_000000_001751_leftImg8bit.png b/notebooks/content/data/train_images_sample/original/frankfurt_000000_001751_leftImg8bit.png
new file mode 100644
index 0000000..62a6711
Binary files /dev/null and b/notebooks/content/data/train_images_sample/original/frankfurt_000000_001751_leftImg8bit.png differ