* src/binarization/sauvola_ms.cc: Add negate option.

* src/binarization/sauvola_ms_debug.cc: Fix invalid k parameter value. --- scribo/ChangeLog | 9 +++++++++ scribo/src/binarization/sauvola_ms.cc | 7 ++++++- scribo/src/binarization/sauvola_ms_debug.cc | 8 ++++---- 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/scribo/ChangeLog b/scribo/ChangeLog index 64e13a6..8d45b42 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,3 +1,12 @@ +2013-01-24 Guillaume Lazzara z@lrde.epita.fr + + Fix binarization programs. + + * src/binarization/sauvola_ms.cc: Add negate option. + + * src/binarization/sauvola_ms_debug.cc: Fix invalid k parameter + value. + 2012-11-05 Guillaume Lazzara z@lrde.epita.fr

* scribo/binarization/sauvola_ms.hh: Fix overlapping area diff --git a/scribo/src/binarization/sauvola_ms.cc b/scribo/src/binarization/sauvola_ms.cc index 970e2aa..f05186a 100644 --- a/scribo/src/binarization/sauvola_ms.cc +++ b/scribo/src/binarization/sauvola_ms.cc @@ -33,6 +33,7 @@ #include <mln/data/transform.hh> #include <mln/fun/v2v/rgb_to_luma.hh> #include <mln/util/timer.hh> +#include <mln/logical/not.hh>

#include <scribo/binarization/sauvola_ms.hh> #include <scribo/debug/option_parser.hh> @@ -50,6 +51,7 @@ static const scribo::debug::arg_data arg_desc[] = static const scribo::debug::toggle_data toggle_desc[] = { // name, description, default value + { "negate", "Negate output image.", false}, {0, 0, false} };

@@ -147,5 +149,8 @@ int main(int argc, char *argv[])

scribo::debug::logger().stop_local_time_logging("Binarized in");

- io::magick::save(output, options.arg("output.*")); + if (options.is_enabled("negate")) + io::magick::save(logical::not_(output), options.arg("output.*")); + else + io::magick::save(output, options.arg("output.*")); } diff --git a/scribo/src/binarization/sauvola_ms_debug.cc b/scribo/src/binarization/sauvola_ms_debug.cc index d4dcc14..434556a 100644 --- a/scribo/src/binarization/sauvola_ms_debug.cc +++ b/scribo/src/binarization/sauvola_ms_debug.cc @@ -66,9 +66,9 @@ static const scribo::debug::opt_data opt_desc[] = "given prefix.", "<prefix>", 0, 1, 0 }, { "all-k", "Sauvola's formulae parameter", "<value>", 0, 1, "0.34" },

- { "k2", "Sauvola's formulae parameter", "<value>", 0, 1, "0.20" }, - { "k3", "Sauvola's formulae parameter", "<value>", 0, 1, "0.30" }, - { "k4", "Sauvola's formulae parameter", "<value>", 0, 1, "0.50" }, + { "k2", "Sauvola's formulae parameter", "<value>", 0, 1, 0 }, + { "k3", "Sauvola's formulae parameter", "<value>", 0, 1, 0 }, + { "k4", "Sauvola's formulae parameter", "<value>", 0, 1, 0 },

{ "s", "First subsampling ratio. Possible values: 2 or 3.", "ratio", scribo::debug::check_sauvola_first_subsampling, 1, "3" }, @@ -190,7 +190,7 @@ int main(int argc, char *argv[]) for (unsigned i = 0; i < geom::nrows(output); ++i) for (unsigned j = 0; j < geom::ncols(output); ++j) if (output.at_(i,j)) - scale_bin.at_(i,j) = binarization::internal::debug_e_2.at_(i/3, j/3); + scale_bin.at_(i,j) = binarization::internal::debug_e_2.at_(i/s, j/s); else scale_bin.at_(i,j) = 0;