* mln/world/binary_2d/subsample.hh: Here. --- milena/ChangeLog | 6 ++++++ milena/mln/world/binary_2d/subsample.hh | 18 ++++-------------- 2 files changed, 10 insertions(+), 14 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index ae13399..52abb9b 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,11 @@ 2013-06-28 Roland Levillain <roland@lrde.epita.fr> + Aesthetic changes in mln/world/binary_2d/subsample.hh. + + * mln/world/binary_2d/subsample.hh: Here. + +2013-06-28 Roland Levillain <roland@lrde.epita.fr> + Fix two bugs in mln/world/binary_2d/subsample.hh. * mln/world/binary_2d/subsample.hh diff --git a/milena/mln/world/binary_2d/subsample.hh b/milena/mln/world/binary_2d/subsample.hh index fd8684a..3ea041a 100644 --- a/milena/mln/world/binary_2d/subsample.hh +++ b/milena/mln/world/binary_2d/subsample.hh @@ -40,6 +40,7 @@ # include <mln/data/convert.hh> # include <mln/value/int_u8.hh> + namespace mln { @@ -55,7 +56,6 @@ namespace mln /// \param[in] n Linear subsampling coefficient. /// /// \return A gray level image. - // image2d<value::int_u8> subsample(const image2d<bool>& input, unsigned n); @@ -73,12 +73,7 @@ namespace mln using value::int_u8; if (n == 0) - { - image2d<value::int_u8> - output = data::convert(int_u8(), input); - - return output; - } + return data::convert(int_u8(), input); const bool** ptr = new const bool*[n]; const unsigned nrows = input.nrows() / n; @@ -86,7 +81,6 @@ namespace mln image2d<int_u8> output(nrows, ncols); const unsigned delta_row = input.delta_offset(down); - unsigned count = 0; for (unsigned row = 0; row < nrows; ++row) { @@ -95,16 +89,12 @@ namespace mln ptr[i] = ptr[i - 1] + delta_row; for (unsigned col = 0; col < ncols; ++col) { - count = 0; + unsigned count = 0; for (unsigned i = 0; i < n; ++i) - { for (unsigned j = 0; j < n; ++j, ++(ptr[i])) - { if (*(ptr[i])) ++count; - } - } - output(point2d(row, col)) = count * 255 / n / n; + output(point2d(row, col)) = count * mln_max(int_u8) / n / n; } } -- 1.7.10.4