from pytwovision.image_process.frame_decorator import FrameDecorator
[docs]class SplitPair(FrameDecorator):
"""
Concrete Decorators call the wrapped object and alter its result in some
way.
"""
[docs] def apply(self, mode="sbs"):
"""Apply split in an image pair from stereo cameras.
Args:
mode: if it is "sbs" (side-by-side) it will do a vertical slice, if it is "tb" (top-bottom) it will do a a horizontal slice.
Returns:
left image and right image.
"""
# dividing height and width by 2
height, width = self._frame.apply().shape[:2]
new_width = int(width/2)
new_height = int(height/2)
if mode == "sbs":
img_left = self._frame.apply()[0:height,0:new_width] #Y+H and X+W
img_right = self._frame.apply()[0:height,new_width:width]
elif mode == "tb":
img_left = self._frame.apply()[0:new_height, 0:width] #Y+H and X+W
img_right = self._frame.apply()[new_height:height, 0:width]
else:
ValueError("mode just can be 'sbs' or 'tb'")
return img_left, img_right