Blue, Green, Red Color detection simultaneously

Author: siddharth2016

MultipleColorObjectDetection.py

@@ -0,0 +1,38 @@
+import cv2
+import numpy as np
+
+cap = cv2.VideoCapture(0)
+
+blower = np.array([80, 100, 100])
+bupper = np.array([120, 255, 255])
+
+glower = np.array([30, 100, 100])
+gupper = np.array([60, 255, 255])
+
+rlower = np.array([0, 100, 100])
+rupper = np.array([10, 255, 255])
+
+while(True):
+    _, frame = cap.read()
+    imghsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
+
+    bmask = cv2.inRange(imghsv, blower, bupper)
+    bimg = cv2.bitwise_and(frame, frame, mask = bmask)
+    #cv2.imshow("bimg", bimg)
+
+    gmask = cv2.inRange(imghsv, glower, gupper)
+    gimg = cv2.bitwise_and(frame, frame, mask = gmask)
+    #cv2.imshow("gimg", gimg)
+
+    rmask = cv2.inRange(imghsv, rlower, rupper)
+    rimg = cv2.bitwise_and(frame, frame, mask = rmask)
+    #cv2.imshow("rimg", rimg)
+
+    res = cv2.add(bimg, gimg)
+    res = cv2.add(res, rimg)
+    cv2.imshow("Result", res)
+    if cv2.waitKey(1) & 0xff == ord('q'):
+        break
+
+cap.release()
+cv2.destroyAllWindows()