mostrando CV2.imshow en una posición de ventana específica
img = cv2.imread("test.png")
winname = "Test"
cv2.namedWindow(winname) # Create a named window
cv2.moveWindow(winname, 40,30) # Move it to (40,30)
cv2.imshow(winname, img)
cv2.waitKey()
cv2.destroyAllWindows()
Lucky Lizard