etspy.utils.multiaverage(stack: ndarray, nframes: int, ny: int, nx: int) → ndarray[source] Register a multi-frame series collected by SerialEM. Parameters:¶ stack: ndarray¶Array of shape [nframes, ny, nx]. nframes: int¶Number of frames per tilt. ny: int¶Pixels in y-dimension. nx: int¶Pixels in x-dimension. Returns:¶ average – Average of all frames at given tilt Return type:¶ ndarray