Method read

examples/OpticalFlow/helper.py:21–31

(file)

    @staticmethod
    def read(file):
        # https://stackoverflow.com/a/44906777/7443104
        with open(file, 'rb') as f:
            magic = np.fromfile(f, np.float32, count=1)
            if 202021.25 != magic:
                raise Exception('Magic number incorrect. Invalid .flo file')
            else:
                w = np.fromfile(f, np.int32, count=1)[0]
                h = np.fromfile(f, np.int32, count=1)[0]
                data = np.fromfile(f, np.float32, count=2 * w * h)
                return np.resize(data, (h, w, 2))

    def _construct_wheel(self):
        k = 0