--- a
+++ b/util/constants.py
@@ -0,0 +1,22 @@
+"""Define constants to be used throughout the repository."""
+
+# Main paths
+
+# Image and mask sizes
+IMAGE_SIZE = 224
+
+# Dataset constants
+IMAGENET_MEAN = [0.485, 0.456, 0.406]
+IMAGENET_STD = [0.229, 0.224, 0.225]
+
+# US latitude/longitude boundaries
+US_N = 49.4
+US_S = 24.5
+US_E = -66.93
+US_W = -124.784
+
+# Test image
+TEST_IMG_PATH = [".circleci/images/test_image.png"] * 2
+
+#Trial dataset path
+TEST_DATASET_PATH = "./data/final_test.csv"