random rotation of rectangle masks

README.md

@@ -83,9 +83,11 @@ $ python train.py
 
 # To do
 - ~~Add Python 3 compatibility~~
+- Add random rotations in cropping rectangles
 - Retrain for arbitrary shape censors
 - Add a user interface
 - Incorporate GAN loss into training
+- Update the model to the new version
 
 Contributions are welcome!
 

train.py

@@ -4,6 +4,7 @@
 import tqdm
 from model import Model
 import load
+import scipy.ndimage
 
 IMAGE_SIZE = 128
 LOCAL_SIZE = 64
@@ -12,6 +13,8 @@
 LEARNING_RATE = 1e-3
 BATCH_SIZE = 16
 PRETRAIN_EPOCH = 100
+#the chance the rectangle crop will be rotated
+ROTATE_CHANCE = 0.5
 
 def train():
     x = tf.placeholder(tf.float32, [BATCH_SIZE, IMAGE_SIZE, IMAGE_SIZE, 3])
@@ -129,12 +132,17 @@ def get_points():
 
         m = np.zeros((IMAGE_SIZE, IMAGE_SIZE, 1), dtype=np.uint8)
         m[q1:q2 + 1, p1:p2 + 1] = 1
-        mask.append(m)
 
+        if (np.random.random() < ROTATE_CHANCE):
+        	#rotate random amount between 0 and 90 degrees
+        	m = scipy.ndimage.rotate(m, np.random.random()*90, reshape = False)
+        	#set all elements greater than 0 to 1
+        	m[m > 0] = 1
+
+        mask.append(m)
 
     return np.array(points), np.array(mask)
 
 
 if __name__ == '__main__':
-    train()
-
+    train()