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Solved "can not work by 'p' and 'esc' key #4" #8

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3992dda
solved "can not work by 'p' and 'esc' key #4"
virajmavani Apr 17, 2018
c3f6ba3
solved "can not work by 'p' and 'esc' key #4"
virajmavani Apr 17, 2018
4965d70
solved "can not work by 'p' and 'esc' key #4"
virajmavani Apr 17, 2018
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2 changes: 1 addition & 1 deletion get_points.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ def callback(event, x, y, flags, param):
# Display the cropped images
cv2.namedWindow(window_name_2, cv2.WINDOW_NORMAL)
cv2.imshow(window_name_2, im_disp)
key = cv2.waitKey(30)
key = (0xFF & cv2.waitKey(30))
if key == ord('p'):
# Press key `s` to return the selected points
cv2.destroyAllWindows()
Expand Down
4 changes: 2 additions & 2 deletions object-tracker-multiple.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ def run(source=0, dispLoc=False):
if not retval:
print "Cannot capture frame device"
exit()
if(cv2.waitKey(10)==ord('p')):
if(0xFF & cv2.waitKey(10))==ord('p'):
break
cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
cv2.imshow("Image", img)
Expand Down Expand Up @@ -66,7 +66,7 @@ def run(source=0, dispLoc=False):
cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
cv2.imshow("Image", img)
# Continue until the user presses ESC key
if cv2.waitKey(1) == 27:
if (0xFF & cv2.waitKey(1)) == 27:
break

# Relase the VideoCapture object
Expand Down
4 changes: 2 additions & 2 deletions object-tracker-single.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ def run(source=0, dispLoc=False):
if not retval:
print "Cannot capture frame device"
exit()
if(cv2.waitKey(10)==ord('p')):
if(0xFF & cv2.waitKey(10))==ord('p'):
break
cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
cv2.imshow("Image", img)
Expand Down Expand Up @@ -65,7 +65,7 @@ def run(source=0, dispLoc=False):
cv2.namedWindow("Image", cv2.WINDOW_NORMAL)
cv2.imshow("Image", img)
# Continue until the user presses ESC key
if cv2.waitKey(1) == 27:
if (0xFF & cv2.waitKey(1)) == 27:
break

# Relase the VideoCapture object
Expand Down