From 9b77f571171b3d9b4130017f184865011c42c0ed Mon Sep 17 00:00:00 2001
From: Gandhi-Sagar <Gandhi.Sagar.GS@gmail.com>
Date: Sat, 4 Nov 2017 16:08:48 -0400
Subject: [PATCH] this is used for labelling and other preproc

---
 labeling_and_other_preproc.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 labeling_and_other_preproc.py

diff --git a/labeling_and_other_preproc.py b/labeling_and_other_preproc.py
new file mode 100644
index 0000000..27a164d
--- /dev/null
+++ b/labeling_and_other_preproc.py
@@ -0,0 +1,25 @@
+import cv2
+import skvideo.io as skio
+
+vd = skio.vread('serve.mp4')
+nb_frames, _, _, _ = vd.shape
+labels = []
+for i in range(0, nb_frames):
+	img = vd[i, :]
+	img = cv2.cvtColor(img, cv2.COLOR_RGB2BGR)
+	gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+	ngray = gray
+	cv2.normalize(gray, ngray, alpha=0, beta=1, norm_type=cv2.NORM_MINMAX, dtype=cv2.CV_32F)
+	print(str(ngray.max()) + " " + str(ngray.min()))
+	print(ngray.shape)
+	cv2.imshow('window', ngray)
+	k = cv2.waitKey(0)
+	# 1048603 is Esc on this system, don't know generalization
+	if k == 1048603:
+		labels.append(1)
+	else:
+		labels.append(0)
+with open('serve.labels', mode='wt', encoding='utf-8') as f:
+	f.write('\n'.join(str(label) for label in labels))
+
+