def remove_callback(self, callback, section=None, key=None):
        self._callbacks.remove((callback, section, key))
Returns true if the camera has a segmented image ready.
dataset/ETHPy150Open kivy/kivy/kivy/config.py/ConfigParser.remove_callback--crossover with--dataset/ETHPy150Open sightmachine/SimpleCV/SimpleCV/Segmentation/DiffSegmentation.py/DiffSegmentation.isReady