51 #include <mln/core/image/image2d.hh>
52 #include <mln/core/alias/point2d.hh>
53 #include <mln/core/alias/window2d.hh>
54 #include <mln/core/alias/neighb2d.hh>
57 #include <mln/core/image/edge_image.hh>
58 #include <mln/core/var.hh>
59 #include <mln/fun/i2v/array.hh>
60 #include <mln/util/graph.hh>
62 #include <mln/morpho/line_gradient.hh>
63 #include <mln/morpho/closing/area_on_vertices.hh>
64 #include <mln/morpho/meyer_wst.hh>
65 #include <mln/data/stretch.hh>
67 #include <mln/value/int_u8.hh>
68 #include <mln/value/int_u16.hh>
69 #include <mln/value/rgb8.hh>
70 #include <mln/literal/black.hh>
71 #include <mln/literal/colors.hh>
73 #include <mln/io/pgm/load.hh>
74 #include <mln/io/ppm/save.hh>
76 #include <mln/math/max.hh>
77 #include <mln/math/abs.hh>
79 #include "tests/data.hh"
94 typedef int_u8 input_val_t;
110 typedef lg_ima_t::nbh_t nbh_t;
113 lg_ima_t closed_lg_ima = morpho::closing::area_on_vertices(lg_ima, nbh, 20);
123 mln_assertion(nbasins == 46);
134 typedef rgb8 output_val_t;
136 point2d output_pmin = input.domain().pmin();
137 point2d output_pmax(input.domain().pmax()[0] * 2,
138 input.domain().pmax()[1] * 2);
139 output_t output(
box2d(output_pmin, output_pmax));
146 input_val_t v = input(p);
149 output(q) = output_val_t(v, v, v);
152 mln_piter_(output_t) p_out(output.domain());
156 if (p_out[0] % 2 == 0 && p_out[1] % 2 == 1)
157 output(p_out) = (output(p_out + left) + output(p_out + right)) / 2;
159 if (p_out[0] % 2 == 1 && p_out[1] % 2 == 0)
160 output(p_out) = (output(p_out +
up) + output(p_out + down)) / 2;
162 if (p_out[0] % 2 == 1 && p_out[1] % 2 == 1)
167 output(p_out +
dpoint2d(+1, +1))) / 4;
173 mln_piter_(wshed_t) pw(wshed.domain());
178 mln_psite_(lg_ima_t) pp(pw);
180 int row1 = pp.first()[0] * 2;
181 int col1 = pp.first()[1] * 2;
182 int row2 = pp.second()[0] * 2;
183 int col2 = pp.second()[1] * 2;
184 point2d q((row1 + row2) / 2, (col1 + col2) / 2);
186 output(q) = literal::red;
200 if (p_out[0] % 2 == 1 && p_out[1] % 2 == 1)
208 (output.has(p_out + down ) && output(p_out + down ) ==
literal::red) +
209 (output.has(p_out + left ) && output(p_out + right) ==
literal::red) +
210 (output.has(p_out + right) && output(p_out + left ) ==
literal::red);