You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: Inveon_PET_main.m
    path of file: ./repos/OMEGA
    
    the code of the file until where you have to start completion: %% MATLAB codes for PET reconstruction using Inveon PET LST or GATE output

clear

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    
function to perform only selected corrections to the raw
%%% uncorrected sinogram. This overwrites any previous corrections applied
%%% to the sinogram. Using this prevents the need to completely compute the
%%% sinogram again. The uncorrected sinogram remains untouched.
% if ~options.corrections_during_reconstruction && ~options.use_raw_data && (options.randoms_correction || options.scatter_correction || options.normalization_correction) ...
%     && ~options.only_sinos
%   options.SinM = form_sinograms(options, true);
% end