hdrvdp_mtf.m 985 B

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  1. function MTF = hdrvdp_mtf( rho, metric_par )
  2. % Custom-fit MTF of the eye
  3. %
  4. % Copyright (c) 2011, Rafal Mantiuk <mantiuk@gmail.com>
  5. % Permission to use, copy, modify, and/or distribute this software for any
  6. % purpose with or without fee is hereby granted, provided that the above
  7. % copyright notice and this permission notice appear in all copies.
  8. %
  9. % THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10. % WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11. % MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12. % ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13. % WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14. % ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15. % OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16. MTF = zeros(size(rho));
  17. for kk=1:4
  18. MTF = MTF + metric_par.mtf_params_a(kk) * exp( -metric_par.mtf_params_b(kk) * rho );
  19. end
  20. end