Create fire_detection.py

Author: niladri30

Diff for: fire_detection.py

@@ -0,0 +1,35 @@
+import cv2
+import numpy as np
+ 
+#video_file = "video_1.mp4"
+video = cv2.VideoCapture(0)
+ 
+while True:
+    (grabbed, frame) = video.read()
+    if not grabbed:
+        break
+ 
+    blur = cv2.GaussianBlur(frame, (21, 21), 0)
+    hsv = cv2.cvtColor(blur, cv2.COLOR_BGR2HSV)
+ 
+    lower = [18, 50, 50]
+    upper = [35, 255, 255]
+    lower = np.array(lower, dtype="uint8")
+    upper = np.array(upper, dtype="uint8")
+    mask = cv2.inRange(hsv, lower, upper)
+    
+ 
+ 
+    output = cv2.bitwise_and(frame, hsv, mask=mask)
+    no_red = cv2.countNonZero(mask)
+    cv2.imshow("output", output)
+    #print("output:", frame)
+    if int(no_red) > 20000:
+        print ('Fire detected')
+    #print(int(no_red))
+   #print("output:".format(mask))
+    if cv2.waitKey(1) & 0xFF == ord('q'):
+        break
+ 
+cv2.destroyAllWindows()
+video.release()