URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena
ChangeLog:
2009-02-28 Edwin Carlinet <carlinet(a)lrde.epita.fr>
Exo2: Perform attribute calculus on trees.
* sandbox/theo/rush/exo2/Makefile: New.
* sandbox/theo/rush/exo2/exo2.cc: New.
* sandbox/theo/rush/exo2/propagate.hh: New.
* sandbox/theo/rush/exo2: New.
* sandbox/theo/rush: New.
---
Makefile | 32 ++++++++++++++++++
exo2.cc | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
propagate.hh | 77 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 210 insertions(+)
Index: trunk/milena/sandbox/theo/rush/exo2/propagate.hh
===================================================================
--- trunk/milena/sandbox/theo/rush/exo2/propagate.hh (revision 0)
+++ trunk/milena/sandbox/theo/rush/exo2/propagate.hh (revision 3446)
@@ -0,0 +1,77 @@
+// Copyright (C) 2008 EPITA Research and Development Laboratory (LRDE)
+//
+// This file is part of the Olena Library. This library is free
+// software; you can redistribute it and/or modify it under the terms
+// of the GNU General Public License version 2 as published by the
+// Free Software Foundation.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING. If not, write to
+// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+// Boston, MA 02111-1307, USA.
+//
+// As a special exception, you may use this file as part of a free
+// software library without restriction. Specifically, if other files
+// instantiate templates or use macros or inline functions from this
+// file, or you compile this file and link it with other files to
+// produce an executable, this file does not by itself cause the
+// resulting executable to be covered by the GNU General Public
+// License. This exception does not however invalidate any other
+// reasons why the executable file might be covered by the GNU General
+// Public License.
+
+#ifndef MLN_MORPHO_TREE_PROPAGATE_HH_
+# define MLN_MORPHO_TREE_PROPAGATE_HH_
+
+/// \file mln/morpho/tree/propagate.hh
+///
+/// Functions to propagate a node value in the tree.
+
+#include <mln/morpho/tree/data.hh>
+
+namespace mln {
+ namespace morpho {
+ namespace tree {
+
+
+ /// The representative point propagates its value to
+ /// its non-representative children nodes.
+ template <typename T, typename A>
+ void
+ back_propagate_level(const T& t, A& a)
+ {
+ mln_fwd_piter(T) p(t.domain());
+ for_all(p)
+ if (! t.is_a_node(p))
+ {
+ mln_assertion(t.is_a_node(t.parent(p)));
+ a(p) = a(t.parent(p));
+ }
+ }
+
+ /// The representative point having the right
+ /// value propagates to the nodes of its sub-branch.
+ template <typename T, typename A>
+ void
+ back_propagate_subbranch(const T& t, A& a, mln_value(A) v)
+ {
+ mln_bkd_piter(T) p(t.domain());
+ for_all(p)
+ if (t.is_a_node(p) && a(t.parent(p)) == v)
+ {
+ mln_assertion(t.is_a_node(t.parent(p)));
+ a(p) = a(t.parent(p));
+ }
+ }
+ } // end of namespace mln::morpho::tree
+ } // end of namespace mln::morpho
+} // end of namespace mln
+
+#endif /* !MLN_MORPHO_TREE_PROPAGATE_HH_ */
+
+
Index: trunk/milena/sandbox/theo/rush/exo2/exo2.cc
===================================================================
--- trunk/milena/sandbox/theo/rush/exo2/exo2.cc (revision 0)
+++ trunk/milena/sandbox/theo/rush/exo2/exo2.cc (revision 3446)
@@ -0,0 +1,101 @@
+#include <mln/core/var.hh>
+#include <mln/core/image/image2d.hh>
+#include <mln/core/alias/neighb2d.hh>
+#include <mln/core/routine/duplicate.hh>
+#include <mln/pw/all.hh>
+
+#include <mln/value/int_u8.hh>
+#include <mln/value/label_8.hh>
+
+#include <mln/io/pgm/load.hh>
+#include <mln/io/pbm/save.hh>
+
+#include <mln/level/sort_psites.hh>
+
+#include <mln/morpho/tree/data.hh>
+#include <mln/morpho/tree/compute_attribute_image.hh>
+
+#include <mln/morpho/attribute/card.hh>
+#include <mln/morpho/attribute/sharpness.hh>
+
+#include "propagate.hh"
+
+
+namespace mln
+{
+ template <typename I>
+ struct treefilter
+ {
+ typedef p_array< mln_site(I) > S;
+ typedef morpho::tree::data<I,S> tree_t;
+
+ template <typename A>
+ treefilter(Image<I>& f_,
+ Accumulator<A> a_,
+ double lambda1 = mln_min(double),
+ double lambda2 = mln_max(double));
+
+ tree_t& tree() { return tree_; };
+ mln_ch_value(I, bool)& img() {return img_; };
+
+ private:
+
+ S sorted_sites_;
+ tree_t tree_;
+ mln_ch_value(I, bool) img_;
+ };
+
+
+ template <typename I>
+ template <typename A>
+ inline
+ treefilter<I>::treefilter(Image<I>& f_,
+ Accumulator<A> a_,
+ double lambda1,
+ double lambda2)
+ : sorted_sites_(level::sort_psites_decreasing(exact(f_))),
+ tree_(exact(f_), sorted_sites_, c4())
+ {
+ mln_VAR(a, morpho::tree::compute_attribute_image(a_, tree_));
+
+ img_ = duplicate((pw::cst(lambda1) < pw::value(a) &&
+ pw::value(a) < pw::cst(lambda2)) | a.domain());
+ }
+
+} // end of namespace mln
+
+
+
+void usage(char* argv[])
+{
+ std::cerr << "usage: " << argv[0] << " input.pgm lambda1 lamda2"
+ << std::endl;
+ abort();
+}
+
+
+int main(int argc, char* argv[])
+{
+ using namespace mln;
+ using value::int_u8;
+
+ typedef image2d<int_u8> I;
+
+ float lambda1;
+ float lambda2;
+ I input;
+
+ if (argc < 3)
+ usage(argv);
+
+ io::pgm::load(input, argv[1]);
+ lambda1 = atof(argv[2]);
+ lambda2 = (argc == 4) ? atof(argv[3]) : mln_max(float);
+
+ treefilter<I> f(input, morpho::attribute::sharpness<I>(), lambda1, lambda2);
+
+ back_propagate_subbranch(f.tree(), f.img() ,true);
+ back_propagate_level(f.tree(), f.img());
+
+ io::pbm::save(f.img(), "out.pbm");
+}
Index: trunk/milena/sandbox/theo/rush/exo2/Makefile
===================================================================
--- trunk/milena/sandbox/theo/rush/exo2/Makefile (revision 0)
+++ trunk/milena/sandbox/theo/rush/exo2/Makefile (revision 3446)
@@ -0,0 +1,32 @@
+TARGET=exo2
+SRC=exo2.cc
+OBJS=${SRC:.cc=.o}
+
+OLENADIR=../../../../..
+MILENADIR=$(OLENADIR)/milena
+
+CXXFLAGS=-I$(MILENADIR) -I./
+
+CXXFLAGS += -DNDEBUG -O1
+
+CXX=g++
+LD=g++
+LDFLAGS=
+
+all: clean $(TARGET)
+
+$(TARGET): $(OBJS) $(SRC)
+ $(LD) $(LDFLAGS) -o $@ $(OBJS)
+
+
+$(REF): $(OBJS_REF) $(SRC_REF)
+ $(LD) $(LDFLAGS) -o $@ $(OBJS_REF)
+
+%.o: %.cc
+ $(CXX) $(CXXFLAGS) -c $<
+
+%.o: %.hh
+ $(CXX) $(CXXFLAGS) -c $<
+
+clean:
+ rm -f *.o $(REF) $(TARGET)
