[Olena-patches] olena: olena-2.0-557-gabe7da9 Specify conversion formulas for rgb to integer conversion functions.

* mln/fun/v2v/rgb_to_int_u.hh, * mln/fun/v2v/rgb_to_luma.hh: Here. --- milena/ChangeLog | 8 ++++++++ milena/mln/fun/v2v/rgb_to_int_u.hh | 5 +++++ milena/mln/fun/v2v/rgb_to_luma.hh | 5 +++++ 3 files changed, 18 insertions(+), 0 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 334f804..48baeac 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,13 @@ 2013-04-19 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + Specify conversion formulas for rgb to integer conversion + functions. + + * mln/fun/v2v/rgb_to_int_u.hh, + * mln/fun/v2v/rgb_to_luma.hh: Here. + +2013-04-19 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + Create sub-modules in image geometry module. * doc/mln/geom/geom.dox: Add cropping sub-module. diff --git a/milena/mln/fun/v2v/rgb_to_int_u.hh b/milena/mln/fun/v2v/rgb_to_int_u.hh index a6a6feb..de9972d 100644 --- a/milena/mln/fun/v2v/rgb_to_int_u.hh +++ b/milena/mln/fun/v2v/rgb_to_int_u.hh @@ -50,6 +50,11 @@ namespace mln \tparam n Defines the number of bits of the integer destination type. + This function computes the mean of the three RGB components: + \verbatim + luma = (red + green + blue) / 3; + \endverbatim + \ingroup modfunv2v convert */ template <unsigned n> diff --git a/milena/mln/fun/v2v/rgb_to_luma.hh b/milena/mln/fun/v2v/rgb_to_luma.hh index 92c603a..3b6ddc2 100644 --- a/milena/mln/fun/v2v/rgb_to_luma.hh +++ b/milena/mln/fun/v2v/rgb_to_luma.hh @@ -46,6 +46,11 @@ namespace mln \brief Conversion function from a RGB value to an integer value type. + This function use the following formula: + \verbatim + luma = 0.299 * red + 0.587 * green + 0.114 * blue; + \endverbatim + \ingroup modfunv2v convert */ template <typename T_luma> -- 1.7.2.5