Fix variable names in python color spaces tutorial

a28a556f · Valentin Tsatskin · 9c3f9578 · a28a556f
Commit a28a556f authored Sep 03, 2015 by Valentin Tsatskin
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py_colorspaces.markdown ...torials/py_imgproc/py_colorspaces/py_colorspaces.markdown +1 -1

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--- a/doc/py_tutorials/py_imgproc/py_colorspaces/py_colorspaces.markdown
+++ b/doc/py_tutorials/py_imgproc/py_colorspaces/py_colorspaces.markdown
@@ -62,7 +62,7 @@ while(1):
    upper_blue = np.array([130,255,255])

    # Threshold the HSV image to get only blue colors
-    mask = cv2.inRange(hsv, lower_green, upper_green)
+    mask = cv2.inRange(hsv, lower_blue, upper_blue)

    # Bitwise-AND mask and original image
    res = cv2.bitwise_and(frame,frame, mask= mask)