* scribo/demat.hh: Use more routines provided by Olena: - not_inplace - level::convert - box::center() * scribo/main.cc: Update usage. --- milena/sandbox/ChangeLog | 11 +++++ milena/sandbox/scribo/demat.hh | 93 ++++++++++++---------------------------- milena/sandbox/scribo/main.cc | 6 +-- 3 files changed, 39 insertions(+), 71 deletions(-) diff --git a/milena/sandbox/ChangeLog b/milena/sandbox/ChangeLog index 8cba502..aa83342 100644 --- a/milena/sandbox/ChangeLog +++ b/milena/sandbox/ChangeLog @@ -1,3 +1,14 @@ +2008-10-27 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + + Use more routines provided by Olena. + + * scribo/demat.hh: Use more routines provided by Olena: + - not_inplace + - level::convert + - box::center() + + * scribo/main.cc: Update usage. + 2008-10-27 Thierry Geraud &lt;thierry.geraud(a)lrde.epita.fr&gt; Update classification. diff --git a/milena/sandbox/scribo/demat.hh b/milena/sandbox/scribo/demat.hh index 99ea3ef..00f6169 100644 --- a/milena/sandbox/scribo/demat.hh +++ b/milena/sandbox/scribo/demat.hh @@ -44,8 +44,6 @@ # include <mln/accu/bbox.hh> # include <mln/accu/count.hh> -# include <mln/binarization/threshold.hh> - # include <mln/border/fill.hh> # include <mln/convert/to.hh> @@ -65,20 +63,22 @@ # include <mln/labeling/blobs.hh> # include <mln/labeling/compute.hh> +# include <mln/level/convert.hh> # include <mln/level/compute.hh> # include <mln/level/fill.hh> # include <mln/level/paste.hh> # include <mln/level/apply.hh> +# include <mln/level/transform.hh> # include <mln/literal/all.hh> +# include <mln/logical/not.hh> + # include <mln/morpho/hit_or_miss.hh> -# include <mln/morpho/opening.hh> +# include <mln/morpho/erosion.hh> # include <mln/pw/all.hh> -# include <mln/set/inter.hh> - # include <mln/util/array.hh> # include <mln/value/int_u16.hh> @@ -115,31 +115,10 @@ namespace scribo f(0) = literal::black; for (unsigned i = 1; i <= nlabels; ++i) f(i) = rgb8(255 / ((i % 10) + 1), (100 + i) % 255, (255 + i)%255); - level::transform(lbl, f, output); + output = level::transform(lbl, f); io::ppm::save(output, filename); } - image2d<rgb8> - to_color(const image2d<bool>& input) - { - image2d<rgb8> output; - - fun::i2v::array<rgb8> fconvert(2); - fconvert(0) = literal::black; - fconvert(1) = literal::white; - - return level::transform(input, fconvert); - } - - void negate(image2d<bool>& in) - { - fun::i2v::array<unsigned> negate(2); - negate(0) = 1; - negate(1) = 0; - level::apply(in, negate); - } - - /// Functions related to the table removal /// \{ @@ -155,27 +134,17 @@ namespace scribo return labeling::compute(accu::meta::bbox(), lbl, nlabels); } - - /// Remove table bboxes from an image. - void erase_table_boxes(image2d<rgb8>& output, - const util::array<box2d>& boxes, - unsigned bbox_larger) - { - for (unsigned i = 1; i < boxes.nelements(); ++i) - level::paste((pw::cst(literal::black) - | (boxes[i].to_larger(bbox_larger) | (pw::value(output) != pw::cst(literal::black)))), output); - - } - /// Remove table bboxes from an image. void erase_table_boxes(image2d<bool>& output, - const util::array<box2d>& boxes, - unsigned bbox_larger) + util::array<box2d>& boxes, + unsigned bbox_enlarge, unsigned dim) { for (unsigned i = 1; i < boxes.nelements(); ++i) + { + boxes[i].enlarge(dim, bbox_enlarge); level::paste((pw::cst(false) - | (boxes[i].to_larger(bbox_larger) | (pw::value(output) == pw::cst(true)))), output); - + | (boxes[i] | (pw::value(output) == pw::cst(true)))), output); + } } @@ -184,8 +153,7 @@ namespace scribo util::array<box2d> > extract_tables(image2d<bool>& in, image2d<rgb8>& output, - unsigned l, - unsigned n) + unsigned l) { typedef image2d<int_u16> I; typedef accu::bbox<mln_psite_(I)> A; @@ -195,27 +163,27 @@ namespace scribo // Lignes verticales std::cout << "Removing vertical lines" << std::endl; win::vline2d vline(l); - image2d<bool> vfilter = morpho::opening(in, vline); + image2d<bool> vfilter = morpho::erosion(in, vline); #ifndef NOUT io::pbm::save(vfilter, "./table-vfilter.pbm"); #endif boxes_t vboxes = component_boxes(vfilter); - erase_table_boxes(in, vboxes, n); + erase_table_boxes(in, vboxes, (l / 2), 0); // Lignes horizontales std::cout << "Removing horizontal lines" << std::endl; win::hline2d hline(l); - image2d<bool> hfilter = morpho::opening(in, hline); + image2d<bool> hfilter = morpho::erosion(in, hline); #ifndef NOUT io::pbm::save(hfilter, "./table-hfilter.pbm"); #endif boxes_t hboxes = component_boxes(hfilter); - erase_table_boxes(in, hboxes, n); + erase_table_boxes(in, hboxes, (l / 2), 1); #ifndef NOUT @@ -246,7 +214,7 @@ namespace scribo inline int_u16 - uncurri_left_link(const fun::i2v::array<int_u16>& left_link, unsigned i) + uncurri_left_link(fun::i2v::array<int_u16>& left_link, unsigned i) { if (left_link(i) != i) left_link(i) = most_left(left_link, left_link(i)); @@ -358,11 +326,8 @@ namespace scribo { unsigned midcol = (cboxes[i].pmax().col() - cboxes[i].pmin().col()) / 2; unsigned dmax = midcol + bbox_distance; - /// FIXME: Box center => Routine? - point2d c (cboxes[i].pmin().row() - + ((cboxes[i].pmax().row() - cboxes[i].pmin().row()) / 2), - cboxes[i].pmin().col() + midcol); - /// First site on the right of the center site + point2d c = cboxes[i].center(); + /// First site on the right of the central site point2d p(c.row(), c.col() + 1); // FIXME: Lemmings with a condition on the distance => write a special version? @@ -386,10 +351,7 @@ namespace scribo for (unsigned i = 1; i <= nlabels;) { unsigned midcol = (cboxes[i].pmax().col() - cboxes[i].pmin().col()) / 2; - /// FIXME: Box center => Routine? - point2d c (cboxes[i].pmin().row() - + ((cboxes[i].pmax().row() - cboxes[i].pmin().row()) / 2), - cboxes[i].pmin().col() + midcol); + point2d c = cboxes[i].center(); /// First site on the right of the center site point2d p(c.row(), c.col() + 1); @@ -401,7 +363,7 @@ namespace scribo if (lbl.domain().has(p) && lbl(p) != 0 && lbl(p) != i && (p.col() - c.col()) <= midcol) { - + } } @@ -466,22 +428,21 @@ namespace scribo //Useful debug variables unsigned l = atoi(argv[3]); - unsigned bbox_larger = atoi(argv[4]); - unsigned bbox_distance = atoi(argv[5]); - unsigned min_comp_size = atoi(argv[6]); + unsigned bbox_distance = atoi(argv[4]); + unsigned min_comp_size = atoi(argv[5]); //Load image image2d<bool> in; io::pbm::load(in, argv[1]); - internal::negate(in); + logical::not_inplace(in); #ifndef NOUT io::pbm::save(in, "in-neg.pbm"); #endif - image2d<rgb8> output = internal::to_color(in); + image2d<rgb8> output = level::convert(rgb8(), in); - internal::extract_tables(in, output, l, bbox_larger); + internal::extract_tables(in, output, l); util::array<box2d> tboxes = internal::extract_text(in, output, bbox_distance, min_comp_size); diff --git a/milena/sandbox/scribo/main.cc b/milena/sandbox/scribo/main.cc index f2f9d15..a74521e 100644 --- a/milena/sandbox/scribo/main.cc +++ b/milena/sandbox/scribo/main.cc @@ -42,14 +42,10 @@ int main(int argc, char*argv[]) << std::endl << std::endl << "<in.pbm> B/W inverted input image." << std::endl << std::endl - << "<out.pgm> RGB8 output image." + << "<out.ppm> RGB8 output image." << std::endl << std::endl << "<l> Line length" << std::endl << std::endl - << "<bbox_larger> Extension size of the bounding boxes vertical/horizontal" - << std::endl - << " lines considered as table borders which will be removed" - << std::endl << std::endl << "<bbox_distance> Maximum distance between character bounding boxes. Used for bbox grouping." << std::endl << std::endl << "<min_comp_nsites> Minimum site count of a character/text component." -- 1.5.6.5