dvsproc.py 文件源码

def cal_event_count(timestamps):
    """Calculate event count based on timestamps.

    Parameters
    ----------
    timestamps : numpy.ndarray
        timestamps array in 1D array

    Returns
    -------
    event_arr : numpy.ndarray
        array has 2 rows, first row contains timestamps,
        second row consists of corresponding event count at particular
        timestep
    """
    event_ts, event_count = np.unique(timestamps, return_counts=True)

    return np.asarray((event_ts, event_count))