* green/mln/display/project_histo.hh (project2_histo): New functions that keep the max of the histogram or the class associate to it while projecting along a direction. * green/mln/display/project_histo.hh (project3_histo): New functions that keep the color of the class associate to the histogram maximum while projecting along a direction. * green/mln/display/display_histo.hh: New interface functions for project2_histo and project3_histo. --- milena/sandbox/ChangeLog | 13 + milena/sandbox/green/mln/display/display_histo.hh | 50 +++ milena/sandbox/green/mln/display/project_histo.hh | 344 +++++++++++++++++++++ 3 files changed, 407 insertions(+), 0 deletions(-) diff --git a/milena/sandbox/ChangeLog b/milena/sandbox/ChangeLog index f34508b..b9d40cb 100644 --- a/milena/sandbox/ChangeLog +++ b/milena/sandbox/ChangeLog @@ -1,5 +1,18 @@ 2010-01-05 Yann Jacquelet <jacquelet@lrde.epita.fr> + Extend the histogram visualization tools for new projection concept. + + * green/mln/display/project_histo.hh (project2_histo): New functions + that keep the max of the histogram or the class associate to it while + projecting along a direction. + * green/mln/display/project_histo.hh (project3_histo): New functions + that keep the color of the class associate to the histogram maximum + while projecting along a direction. + * green/mln/display/display_histo.hh: New interface functions for + project2_histo and project3_histo. + +2010-01-05 Yann Jacquelet <jacquelet@lrde.epita.fr> + Build translation table between number of pixels and percentage of pixels in image for the scribo database. diff --git a/milena/sandbox/green/mln/display/display_histo.hh b/milena/sandbox/green/mln/display/display_histo.hh index 1fd5da4..2ba0b61 100644 --- a/milena/sandbox/green/mln/display/display_histo.hh +++ b/milena/sandbox/green/mln/display/display_histo.hh @@ -33,6 +33,8 @@ # include <mln/display/project_histo.hh> # include <mln/fun/v2v/log.hh> # include <mln/value/int_u8.hh> +# include <mln/value/rgb8.hh> +# include <mln/value/label_8.hh> /// \file @@ -55,6 +57,20 @@ namespace mln image2d<value::int_u8> display_histo3d_unsigned(const image3d<unsigned>& histo); + image2d<value::int_u8> + display2_histo3d_unsigned(const image3d<unsigned>& histo); + + image2d<value::label_8> + display2_histo3d_unsigned(const image3d<unsigned>& histo, + const image3d<value::label_8>& label); + + image2d<value::rgb8> + display3_histo3d_unsigned(const image3d<unsigned>& histo); + + image2d<value::rgb8> + display3_histo3d_unsigned(const image3d<unsigned>& histo, + const image3d<value::label_8>& label); + #ifndef MLN_INCLUDE_ONLY /// \brief Allow the visualization of a 3d histogram by projection. @@ -86,6 +102,40 @@ namespace mln return proj_int; } + image2d<value::int_u8> + display2_histo3d_unsigned(const image3d<unsigned>& histo) + { + image2d<value::int_u8> proj = project2_histo<0>(histo); + + return proj; + } + + image2d<value::label_8> + display2_histo3d_unsigned(const image3d<unsigned>& histo, + const image3d<value::label_8>& label) + { + image2d<value::label_8> proj = project2_histo<0>(histo, label); + + return proj; + } + + image2d<value::rgb8> + display3_histo3d_unsigned(const image3d<unsigned>& histo) + { + image2d<value::rgb8> proj = project3_histo<0>(histo); + + return proj; + } + + image2d<value::rgb8> + display3_histo3d_unsigned(const image3d<unsigned>& histo, + const image3d<value::label_8>& label) + { + image2d<value::rgb8> proj = project3_histo<0>(histo, label); + + return proj; + } + #endif // ! MLN_INCLUDE_ONLY diff --git a/milena/sandbox/green/mln/display/project_histo.hh b/milena/sandbox/green/mln/display/project_histo.hh index f0e6858..d842c70 100644 --- a/milena/sandbox/green/mln/display/project_histo.hh +++ b/milena/sandbox/green/mln/display/project_histo.hh @@ -37,6 +37,12 @@ # include <mln/accu/image/take.hh> # include <mln/accu/image/to_result.hh> +# include <mln/opt/at.hh> + +# include <mln/value/int_u8.hh> +# include <mln/value/rgb8.hh> +# include <mln/value/label_8.hh> + /// \file /// /// \brief Allow the visualization of 3d histogram. @@ -54,6 +60,10 @@ namespace mln image2d<mln_result(A)> project_histo(const image3d<V>& histo); + template <typename A, unsigned direction, typename V> + image2d<mln_result(A)> + project2_histo(const image3d<V>& histo); + # ifndef MLN_INCLUDE_ONLY /// \brief Allow the visualization of 3d histogram. @@ -86,6 +96,340 @@ namespace mln return accu::image::to_result(histo_accu); } + template <unsigned direction> + image2d<value::int_u8> + project2_histo(const image3d<unsigned>& histo) + { + image2d<value::int_u8> result; + + if (0 == direction) // blue + { + image2d<value::int_u8> arg_max(histo.ncols(), histo.nslices()); + + for (unsigned j = 0; j < histo.ncols(); ++j) + for (unsigned i = 0; i < histo.nslices(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.nrows(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = pos; + } + + result = arg_max; + } + else if (1 == direction) // red + { + image2d<value::int_u8> arg_max(histo.nrows(), histo.nslices()); + + for (unsigned j = 0; j < histo.nslices(); ++j) + for (unsigned i = 0; i < histo.nrows(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.ncols(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = pos; + } + + result = arg_max; + } + else // 2 == direction // green + { + image2d<value::int_u8> arg_max(histo.nrows(), histo.ncols()); + + for (unsigned j = 0; j < histo.ncols(); ++j) + for (unsigned i = 0; i < histo.nrows(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.nslices(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = pos; + } + + result = arg_max; + } + + return result; + } + + template <unsigned direction> + image2d<value::label_8> + project2_histo(const image3d<unsigned>& histo, + const image3d<value::label_8>& label) + { + image2d<value::label_8> result; + + if (0 == direction) // blue + { + image2d<value::label_8> arg_max(histo.ncols(), histo.nslices()); + + for (unsigned j = 0; j < histo.ncols(); ++j) + for (unsigned i = 0; i < histo.nslices(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.nrows(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = opt::at(label,i,j,pos); + } + + result = arg_max; + } + else if (1 == direction) // red + { + image2d<value::label_8> arg_max(histo.nrows(), histo.nslices()); + + for (unsigned j = 0; j < histo.nslices(); ++j) + for (unsigned i = 0; i < histo.nrows(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.ncols(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = opt::at(label,pos,i,j); + } + + result = arg_max; + } + else // 2 == direction // green + { + image2d<value::label_8> arg_max(histo.nrows(), histo.ncols()); + + for (unsigned j = 0; j < histo.ncols(); ++j) + for (unsigned i = 0; i < histo.nrows(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.nslices(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = opt::at(label,i,pos,j); + } + + result = arg_max; + } + + return result; + } + + + // FIXME ... determine the color of each class. + template <unsigned direction> + image2d<value::rgb8> + project3_histo(const image3d<unsigned>& histo, + const image3d<value::label_8>& label) + { + image2d<value::rgb8> result; + + if (0 == direction) // blue + { + image2d<value::rgb8> arg_max(histo.ncols(), histo.nslices()); + + for (unsigned j = 0; j < histo.ncols(); ++j) + for (unsigned i = 0; i < histo.nslices(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.nrows(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = value::rgb8(i,j,pos); + } + + result = arg_max; + } + else if (1 == direction) // red + { + image2d<value::rgb8> arg_max(histo.nrows(), histo.nslices()); + + for (unsigned j = 0; j < histo.nslices(); ++j) + for (unsigned i = 0; i < histo.nrows(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.ncols(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = value::rgb8(pos,i,j); + } + + result = arg_max; + } + else // 2 == direction // green + { + image2d<value::rgb8> arg_max(histo.nrows(), histo.ncols()); + + for (unsigned j = 0; j < histo.ncols(); ++j) + for (unsigned i = 0; i < histo.nrows(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.nslices(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + // FIXME ... how to fix the n of rgb + opt::at(arg_max,i,j) = value::rgb8(i,pos,j); + } + + result = arg_max; + } + + return result; + } + + template <unsigned direction> + image2d<value::rgb8> + project3_histo(const image3d<unsigned>& histo) + { + image2d<value::rgb8> result; + + if (0 == direction) // blue + { + image2d<value::rgb8> arg_max(histo.ncols(), histo.nslices()); + + for (unsigned j = 0; j < histo.ncols(); ++j) + for (unsigned i = 0; i < histo.nslices(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.nrows(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = value::rgb8(i,j,pos); + } + + result = arg_max; + } + else if (1 == direction) // red + { + image2d<value::rgb8> arg_max(histo.nrows(), histo.nslices()); + + for (unsigned j = 0; j < histo.nslices(); ++j) + for (unsigned i = 0; i < histo.nrows(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.ncols(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + opt::at(arg_max,i,j) = value::rgb8(pos,i,j); + } + + result = arg_max; + } + else // 2 == direction // green + { + image2d<value::rgb8> arg_max(histo.nrows(), histo.ncols()); + + for (unsigned j = 0; j < histo.ncols(); ++j) + for (unsigned i = 0; i < histo.nrows(); ++i) + { + unsigned max = 0; // minimum as possible + signed pos = -1; + + for (unsigned k = 0; k < histo.nslices(); ++k) + { + if (max <= opt::at(histo,i,j,k)) + { + max = opt::at(histo,i,j,k); + pos = k; + } + } + + // FIXME ... how to fix the n of rgb + opt::at(arg_max,i,j) = value::rgb8(i,pos,j); + } + + result = arg_max; + } + + return result; + } + # endif // ! MLN_INCLUDE_ONLY -- 1.5.6.5