datasets/replica.py [114:121]:
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        episode_path = os.path.join(self.datapath, idxstr)
        with open(os.path.join(episode_path, 'cameras.json'), 'r') as f:
            cameras = json.load(f)

        Rt = []
        K = []
        rgb = []
        depth = []
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datasets/vizdoom.py [111:118]:
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        episode_path = os.path.join(self.datapath, idxstr)
        with open(os.path.join(episode_path, 'cameras.json'), 'r') as f:
            cameras = json.load(f)

        Rt = []
        K = []
        rgb = []
        depth = []
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