Move a cascade creation outside the for loop.

Author: jonathanrocher

stage0_starting_script/face_detect.py

@@ -18,19 +18,19 @@
     join("..", "sample_images", "owls.jpg")
 ]
 
+# Load the trained file from the module root.
+trained_file = data.lbp_frontal_face_cascade_filename()
+
+# Initialize the detector cascade.
+detector = Cascade(trained_file)
+
 for path in image_paths:
     img = PIL.Image.open(path)
 
     img_metadata = {TAGS[k]: v for k, v in img._getexif().items() if k in TAGS}
 
     # Detect faces ------------------------------------------------------------
 
-    # Load the trained file from the module root.
-    trained_file = data.lbp_frontal_face_cascade_filename()
-
-    # Initialize the detector cascade.
-    detector = Cascade(trained_file)
-
     detected = detector.detect_multi_scale(img=np.asarray(img),
                                            scale_factor=1.2,
                                            step_ratio=1,