started writing preprocessing

data/utils.py

@@ -0,0 +1,14 @@
+
+
+class Frame:
+    def __init__(self, id, frame_nr, garment):
+        self.id = id
+        self.frame_nr = frame_nr
+        self.garment = garment
+
+    def __hash__(self):
+        return hash((self.id, self.frame_nr))
+
+    def __eq__(self, other):
+        return (self.id, self.frame_nr) == (other.id, other.frame_nr)
+