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 | Read more about this program in the following publication:    |
 |  Scheres ea. (2007)  Structure, 15, 1167-1177                 |
 |                                                               |
 |    *** Please cite it if this program is of use to you! ***   |
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--> Maximum-likelihood multi-reference 3D-refinement
  Initial reference volume : input/mlData/icoFiltered.vol
  Experimental images:     : input/mlData/phantom_images.xmd
  Angular sampling rate    : 15
  Symmetry group:          : c1
  Output rootname          : tmpLink/xmipp_mlf_refine3d_01/mlf3d
  Convergence criterion    : 5e-05
  -> Use fourier-interpolation instead of wlsART for reconstruction
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--> projecting 1 volumes x 81 projections...
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--> Multi-reference refinement 
--> using a maximum-likelihood in Fourier-space (MLF) target 
--> with CTF correction 
  Input images            : input/mlData/phantom_images.xmd (104)
  Reference image(s)      : tmpLink/xmipp_mlf_refine3d_01/mlf3d_extra/projections.xmd
  Output rootname         : tmpLink/xmipp_mlf_refine3d_01/mlf3d_mlf2d
  Stopping criterium      : 5e-05
  initial sigma offset    : 3
  Psi sampling interval   : 15 degrees
  Translational searches  : 3 pixels
  Low resolution limit    : 999 Ang
  High resolution limit   : 0 Ang
  Check mirrors           : true
    + Assuming images have been phase flipped 
    + CTF group 1 contains 52 images
    + CTF group 2 contains 52 images
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--> Estimating initial noise models from average power spectra ...
--> 3D-EM volume refinement:  iteration 1 of 2
--> calculating 3D-SSNR ...
--> Checking convergence 
--> Relative signal change volume 1 = 6.979114
--> 3D-EM volume refinement:  iteration 2 of 2
--> projecting 1 volumes x 81 projections...
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--> calculating 3D-SSNR ...
--> Checking convergence 
--> Relative signal change volume 1 = 0.096826
--> Optimization was stopped before convergence was reached!