back projection algorithm

2013-05-23
2013-05-23
  • Hi All,

    I have an error coming up when i run the back projection algorithm to reconstruct the image.

    ??? Error using ==> inv_solve>filt_data at 236
    inconsistent difference data: (104 ~= 256). Maybe check fwd_model.meas_select

    Error in ==> inv_solve at 82
    fdata1 = filt_data( inv_model, data1, data_width );

    Error in ==> bpafwd1 at 26
    imgr= inv_solve(inv_BP, vi,vh);

    the same program runs if i give of input 208 measurements(Voltage) for homogeneous and non homogeneous instead of 104.

    Thanks in advance,
    Rakesh Arugonda.

     
    • Hi Rakesh,

      without looking in the code, did you provide a meas_select field, like it is
      returned from mk_stim_patterns, in your forward model?

      If this not work, please use the official EIDORS-help Mailing list

      http://eidors3d.sourceforge.net/ (under Getting Help)

      Regards

      Steffen

      Von: Rakesh Arugonda [mailto:rakesha@users.sf.net]
      Gesendet: Donnerstag, 23. Mai 2013 15:43
      An: [eidors3d:discussion]
      Betreff: [eidors3d:discussion] back projection algorithm

      Hi All,

      I have an error coming up when i run the back projection algorithm to
      reconstruct the image.

      ??? Error using ==> inv_solve>filt_data at 236
      inconsistent difference data: (104 ~= 256). Maybe check
      fwd_model.meas_select

      Error in ==> inv_solve at 82
      fdata1 = filt_data( inv_model, data1, data_width );

      Error in ==> bpafwd1 at 26
      imgr= inv_solve(inv_BP, vi,vh);

      the same program runs if i give of input 208 measurements(Voltage) for
      homogeneous and non homogeneous instead of 104.

      Thanks in advance,
      Rakesh Arugonda.


      back projection algorithm
      https://sourceforge.net/p/eidors3d/discussion/348403/thread/e3b6fef8/?limit =25#950f


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