atari_1step_qlearning.py 文件源码

def get_preprocessed_frame(self, observation):
        """
        0) Atari frames: 210 x 160
        1) Get image grayscale
        2) Rescale image 110 x 84
        3) Crop center 84 x 84 (you can crop top/bottom according to the game)
        """
        return resize(rgb2gray(observation), (110, 84))[13:110 - 13, :]