* scribo/binarization/sauvola_ms.hh, * scribo/canvas/integral_browsing.hh: Here. --- scribo/ChangeLog | 7 +++++ scribo/scribo/binarization/sauvola_ms.hh | 43 ++++++++++++++++++++++++++--- scribo/scribo/canvas/integral_browsing.hh | 8 +++++- 3 files changed, 53 insertions(+), 5 deletions(-) diff --git a/scribo/ChangeLog b/scribo/ChangeLog index c75eb57..4e61cec 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,5 +1,12 @@ 2012-08-23 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + Improve documentation. + + * scribo/binarization/sauvola_ms.hh, + * scribo/canvas/integral_browsing.hh: Here. + +2012-08-23 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + * src/binarization/kim.cc: Remove debug and useless steps. 2012-08-23 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; diff --git a/scribo/scribo/binarization/sauvola_ms.hh b/scribo/scribo/binarization/sauvola_ms.hh index 96064e9..ba58207 100644 --- a/scribo/scribo/binarization/sauvola_ms.hh +++ b/scribo/scribo/binarization/sauvola_ms.hh @@ -98,7 +98,8 @@ namespace scribo \param[in] s The scale factor used for the first subscaling. \param[in] lambda_min_1 Size of the objects kept at scale 1. \param[in] K Sauvola's formulae parameter. - + \param[out] integral_sum_sum_2 Integral image of sum and squared + sum. \p w_1 and \p lambda_min_1 are expressed according to the image at scale 0, i.e. the original size. @@ -107,6 +108,15 @@ namespace scribo */ template <typename I> mln_ch_value(I,bool) + sauvola_ms(const Image<I>& input_1_, unsigned w_1, + unsigned s, double K, + image2d<mln::util::couple<double,double> >& integral_sum_sum_2); + + /// \overload + /// The integral image is not returned. + // + template <typename I> + mln_ch_value(I,bool) sauvola_ms(const Image<I>& input_1_, unsigned w_1, unsigned s, double K); /// \overload @@ -802,7 +812,8 @@ namespace scribo template <typename I> mln_ch_value(I,bool) sauvola_ms(const Image<I>& input_1_, unsigned w_1, - unsigned s, double K) + unsigned s, double K, + image2d<mln::util::couple<double,double> >& integral_sum_sum_2) { trace::entering("scribo::binarization::sauvola_ms"); @@ -853,7 +864,7 @@ namespace scribo // Resize input and compute integral images. typedef image2d<mln::util::couple<double,double> > integral_t; - integral_t integral_sum_sum_2; +// integral_t integral_sum_sum_2; mln::util::timer t; t.start(); @@ -1030,6 +1041,27 @@ namespace scribo template <typename I> mln_ch_value(I,bool) sauvola_ms(const Image<I>& input_1_, unsigned w_1, + unsigned s, double K, + image2d<mln::util::couple<double,double> >& integral_sum_sum_2) + { + trace::entering("scribo::binarization::sauvola_ms"); + + mln_precondition(exact(input_1_).is_valid()); + // Gray level images ONLY. + mlc_is_not_a(mln_value(I), value::Vectorial)::check(); + mlc_is_not(mln_value(I), bool)::check(); + + mln_ch_value(I,bool) + output = impl::generic::sauvola_ms(exact(input_1_), w_1, s, K, + integral_sum_sum_2); + + trace::exiting("scribo::binarization::sauvola_ms"); + return output; + } + + template <typename I> + mln_ch_value(I,bool) + sauvola_ms(const Image<I>& input_1_, unsigned w_1, unsigned s, double K) { trace::entering("scribo::binarization::sauvola_ms"); @@ -1039,8 +1071,11 @@ namespace scribo mlc_is_not_a(mln_value(I), value::Vectorial)::check(); mlc_is_not(mln_value(I), bool)::check(); + typedef image2d<mln::util::couple<double,double> > integral_t; + integral_t integral_sum_sum_2; + mln_ch_value(I,bool) - output = impl::generic::sauvola_ms(exact(input_1_), w_1, s, K); + output = sauvola_ms(exact(input_1_), w_1, s, K, integral_sum_sum_2); trace::exiting("scribo::binarization::sauvola_ms"); return output; diff --git a/scribo/scribo/canvas/integral_browsing.hh b/scribo/scribo/canvas/integral_browsing.hh index 89e0019..da13fe7 100644 --- a/scribo/scribo/canvas/integral_browsing.hh +++ b/scribo/scribo/canvas/integral_browsing.hh @@ -116,6 +116,12 @@ namespace scribo for (col = col_0; col <= max_col_mid; col += step) ; int w_right = ncols - col + w/2; + // tl: top left + // tr: top right + // ml: middle left + // mr: middle right + // bl: bottom left + // br: bottom right Ptr d_tl_start, d_tr_start, b_ml_start = 0, d_ml_start = 0, b_mr_start = 0, d_mr_start = 0, @@ -176,7 +182,7 @@ namespace scribo for (; col <= max_col_mid; col += step) { // D - C - internal::compute_stats(d_ima->first() - c_ima->first(), + internal::compute_stats(d_ima->first() - c_ima->first(), d_ima->second() - c_ima->second(), size_tc * s_2, mean, stddev); -- 1.7.2.5