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-rw-r--r--ml/dlib/dlib/test/geometry.cpp883
1 files changed, 0 insertions, 883 deletions
diff --git a/ml/dlib/dlib/test/geometry.cpp b/ml/dlib/dlib/test/geometry.cpp
deleted file mode 100644
index 505a83d95..000000000
--- a/ml/dlib/dlib/test/geometry.cpp
+++ /dev/null
@@ -1,883 +0,0 @@
-// Copyright (C) 2008 Davis E. King (davis@dlib.net)
-// License: Boost Software License See LICENSE.txt for the full license.
-
-
-#include <dlib/geometry.h>
-#include <sstream>
-#include <string>
-#include <cstdlib>
-#include <ctime>
-#include <dlib/string.h>
-#include <dlib/matrix.h>
-#include <dlib/rand.h>
-#include <dlib/array2d.h>
-#include <dlib/image_transforms.h>
-
-#include "tester.h"
-
-namespace
-{
-
- using namespace test;
- using namespace dlib;
- using namespace std;
-
- logger dlog("test.geometry");
-
- void geometry_test (
- )
- /*!
- ensures
- - runs tests on the geometry stuff compliance with the specs
- !*/
- {
- print_spinner();
-
- point p1;
- point p2(2,3);
-
- DLIB_TEST(p1.x() == 0);
- DLIB_TEST(p1.y() == 0);
- DLIB_TEST(p2.x() == 2);
- DLIB_TEST(p2.y() == 3);
-
- DLIB_TEST((-p2).x() == -2);
- DLIB_TEST((-p2).y() == -3);
-
-
- p2 += p2;
- DLIB_TEST(p2.x() == 4);
- DLIB_TEST(p2.y() == 6);
-
- dlib::vector<double> v1 = point(1,0);
- dlib::vector<double> v2(0,0,1);
-
- p1 = v2.cross(v1);
- DLIB_TEST(p1 == point(0,1));
- DLIB_TEST(p1 != point(1,1));
- DLIB_TEST(p1 != point(1,0));
-
- p1 = point(2,3);
- rectangle rect1 = p1;
- DLIB_TEST(rect1.width() == 1);
- DLIB_TEST(rect1.height() == 1);
- p2 = point(1,1);
-
- rect1 += p2;
- DLIB_TEST(rect1.left() == 1);
- DLIB_TEST(rect1.top() == 1);
- DLIB_TEST(rect1.right() == 2);
- DLIB_TEST(rect1.bottom() == 3);
-
- DLIB_TEST(rect1.width() == 2);
- DLIB_TEST(rect1.height() == 3);
-
- // test the iostream << and >> operators (via string_cast and cast_to_string)
- DLIB_TEST(string_cast<point>(" (1, 2 )") == point(1,2));
- DLIB_TEST(string_cast<point>(" ( -1, 2 )") == point(-1,2));
- DLIB_TEST(string_cast<rectangle>(" [(1, 2 )(3,4)]") == rectangle(1,2,3,4));
- DLIB_TEST(string_cast<dlib::vector<double> >(" (1, 2 , 3.5)") == dlib::vector<double>(1,2,3.5));
-
- DLIB_TEST(string_cast<rectangle>(cast_to_string(rect1)) == rect1);
- DLIB_TEST(string_cast<point>(cast_to_string(p1)) == p1);
- DLIB_TEST(string_cast<dlib::vector<double> >(cast_to_string(v1)) == v1);
-
- rectangle rect2;
-
- // test the serialization code
- ostringstream sout;
- serialize(rect1,sout);
- serialize(p1,sout);
- serialize(v1,sout);
- serialize(rect1,sout);
- serialize(p1,sout);
- serialize(v1,sout);
-
- istringstream sin(sout.str());
-
- deserialize(rect2,sin);
- deserialize(p2,sin);
- deserialize(v2,sin);
- DLIB_TEST(rect2 == rect1);
- DLIB_TEST(p2 == p1);
- DLIB_TEST(v2 == v1);
- deserialize(rect2,sin);
- deserialize(p2,sin);
- deserialize(v2,sin);
- DLIB_TEST(rect2 == rect1);
- DLIB_TEST(p2 == p1);
- DLIB_TEST(v2 == v1);
- DLIB_TEST(sin.good());
- DLIB_TEST(sin.get() == EOF);
-
-
- v1.x() = 1;
- v1.y() = 2;
- v1.z() = 3;
-
- matrix<double> mv = v1;
- DLIB_TEST(mv.nr() == 3);
- DLIB_TEST(mv.nc() == 1);
- DLIB_TEST(mv(0) == 1);
- DLIB_TEST(mv(1) == 2);
- DLIB_TEST(mv(2) == 3);
-
- set_all_elements(mv,0);
- DLIB_TEST(mv(0) == 0);
- DLIB_TEST(mv(1) == 0);
- DLIB_TEST(mv(2) == 0);
-
- mv(0) = 5;
- mv(1) = 6;
- mv(2) = 7;
-
- v1 = mv;
- DLIB_TEST(v1.x() == 5);
- DLIB_TEST(v1.y() == 6);
- DLIB_TEST(v1.z() == 7);
-
-
- {
- dlib::vector<double,2> vd2;
- dlib::vector<double,3> vd3;
- dlib::vector<long,2> vl2;
- dlib::vector<long,3> vl3;
-
- vd2.x() = 2.3;
- vd2.y() = 4.7;
-
- vd3.z() = 9;
-
- vd3 = vd2;
-
-
-
- vl2 = vd3;
- vl3 = vd3;
-
-
- DLIB_TEST(vd2.z() == 0);
- DLIB_TEST(vd3.z() == 0);
- DLIB_TEST(vl2.z() == 0);
- DLIB_TEST(vl3.z() == 0);
-
- DLIB_TEST(vl2.x() == 2);
- DLIB_TEST(vl3.x() == 2);
- DLIB_TEST(vl2.y() == 5);
- DLIB_TEST(vl3.y() == 5);
-
-
- DLIB_TEST(abs(vd2.cross(vd3).dot(vd2)) < 1e-7);
- DLIB_TEST(abs(vd3.cross(vd2).dot(vd2)) < 1e-7);
- DLIB_TEST(abs(vd2.cross(vd3).dot(vd3)) < 1e-7);
- DLIB_TEST(abs(vd3.cross(vd2).dot(vd3)) < 1e-7);
-
- DLIB_TEST(abs(vl2.cross(vl3).dot(vl2)) == 0);
- DLIB_TEST(abs(vl3.cross(vl2).dot(vl2)) == 0);
- DLIB_TEST(abs(vl2.cross(vl3).dot(vl3)) == 0);
- DLIB_TEST(abs(vl3.cross(vl2).dot(vl3)) == 0);
-
-
- DLIB_TEST((vd2-vd3).length() < 1e-7);
-
- DLIB_TEST(vl2 == vl3);
-
-
- vl2.x() = 0;
- vl2.y() = 0;
- vl3 = vl2;
-
- vl2.x() = 4;
- vl3.y() = 3;
-
- DLIB_TEST(vl2.cross(vl3).length() == 12);
- DLIB_TEST(vl3.cross(vl2).length() == 12);
-
-
- matrix<double> m(3,3);
- m = 1,2,3,
- 4,5,6,
- 7,8,9;
-
- vd3.x() = 2;
- vd3.y() = 3;
- vd3.z() = 4;
-
- vd3 = m*vd3;
-
- DLIB_TEST_MSG(vd3.x() == 1*2 + 2*3 + 3*4,vd3.x() << " == " << (1*2 + 2*3 + 3*4));
- DLIB_TEST(vd3.y() == 4*2 + 5*3 + 6*4);
- DLIB_TEST(vd3.z() == 7*2 + 8*3 + 9*4);
-
- (vd3*2).dot(vd3);
- (vd2*2).dot(vd3);
- (vd3*2).dot(vd2);
- (vd2*2).dot(vd2);
- (2*vd3*2).dot(vd3);
- (2*vd2*2).dot(vd3);
- (2*vd3*2).dot(vd2);
- (2*vd2*2).dot(vd2);
-
- (vd2 + vd3).dot(vd2);
- (vd2 - vd3).dot(vd2);
- (vd2/2).dot(vd2);
- (vd3/2).dot(vd2);
- }
-
- {
- dlib::vector<double,2> vd2;
- dlib::vector<long,3> vl3;
-
- vl3.x() = 1;
- vl3.y() = 2;
- vl3.z() = 3;
-
- vd2.x() = 6.5;
- vd2.y() = 7.5;
-
- DLIB_TEST((vl3 + vd2).x() == 1+6.5);
- DLIB_TEST((vl3 + vd2).y() == 2+7.5);
- DLIB_TEST((vl3 + vd2).z() == 3+0);
-
- DLIB_TEST((vl3 - vd2).x() == 1-6.5);
- DLIB_TEST((vl3 - vd2).y() == 2-7.5);
- DLIB_TEST((vl3 - vd2).z() == 3-0);
-
- }
-
- {
- dlib::vector<double> v(3,4,5);
- DLIB_TEST((-v).x() == -3.0);
- DLIB_TEST((-v).y() == -4.0);
- DLIB_TEST((-v).z() == -5.0);
- }
-
- {
- rectangle rect;
-
- point tl(2,3);
- point tr(8,3);
- point bl(2,9);
- point br(8,9);
-
- rect += tl;
- rect += tr;
- rect += bl;
- rect += br;
-
- DLIB_TEST(rect.tl_corner() == tl);
- DLIB_TEST(rect.tr_corner() == tr);
- DLIB_TEST(rect.bl_corner() == bl);
- DLIB_TEST(rect.br_corner() == br);
-
- }
-
- {
- point p1, center;
-
- center = point(3,4);
- p1 = point(10,4);
-
- DLIB_TEST(rotate_point(center, p1, pi/2) == point(3,7+4));
-
- center = point(3,3);
- p1 = point(10,3);
-
- DLIB_TEST(rotate_point(center, p1, pi/4) == point(8,8));
- DLIB_TEST(rotate_point(center, p1, -pi/4) == point(8,-2));
-
- DLIB_TEST(rotate_point(center, p1, pi/4 + 10*pi) == point(8,8));
- DLIB_TEST(rotate_point(center, p1, -pi/4 + 10*pi) == point(8,-2));
- DLIB_TEST(rotate_point(center, p1, pi/4 - 10*pi) == point(8,8));
- DLIB_TEST(rotate_point(center, p1, -pi/4 - 10*pi) == point(8,-2));
-
- point_rotator rot(pi/2);
- DLIB_TEST(rot(point(1,0)) == point(0,1));
- DLIB_TEST(rot(point(0,1)) == point(-1,0));
- DLIB_TEST(point(rot.get_m()*(dlib::vector<double,2>(1,0))) == point(0,1));
- DLIB_TEST(point(rot.get_m()*(dlib::vector<double,2>(0,1))) == point(-1,0));
- }
-
- {
- rectangle rect;
-
- rect = grow_rect(rect,1);
- DLIB_TEST(rect.width() == 2);
- DLIB_TEST(rect.height() == 2);
- DLIB_TEST(rect.left() == -1);
- DLIB_TEST(rect.top() == -1);
- DLIB_TEST(rect.right() == 0);
- DLIB_TEST(rect.bottom() == 0);
- }
- {
- rectangle rect;
-
- rect = grow_rect(rect,2);
- DLIB_TEST(rect.width() == 4);
- DLIB_TEST(rect.height() == 4);
- DLIB_TEST(rect.left() == -2);
- DLIB_TEST(rect.top() == -2);
- DLIB_TEST(rect.right() == 1);
- DLIB_TEST(rect.bottom() == 1);
-
- rect = shrink_rect(rect,1);
- DLIB_TEST(rect.width() == 2);
- DLIB_TEST(rect.height() == 2);
- DLIB_TEST(rect.left() == -1);
- DLIB_TEST(rect.top() == -1);
- DLIB_TEST(rect.right() == 0);
- DLIB_TEST(rect.bottom() == 0);
- }
- {
- std::vector< dlib::vector<double> > a;
-
- dlib::vector<double> v;
- dlib::rand rnd;
-
- for (int i = 0; i < 10; ++i)
- {
- v.x() = rnd.get_random_double();
- v.y() = rnd.get_random_double();
- v.z() = rnd.get_random_double();
- a.push_back(v);
-
- }
-
- // This test is just to make sure the covariance function can compile when used
- // on a dlib::vector. The actual test doesn't matter.
- DLIB_TEST(sum(covariance(mat(a))) < 10);
-
- }
-
-
- DLIB_TEST(rectangle() + point(5,4) + point(10,10) == rectangle(5,4,10,10));
-
- // make sure the center of a centered rectangle is always right
- for (long x = -10; x <= 10; ++x)
- {
- for (long y = -10; y <= 10; ++y)
- {
- for (long w = 0; w < 10; ++w)
- {
- for (long h = 0; h < 10; ++h)
- {
- DLIB_TEST(center(centered_rect(x,y,w,h)) == point(x,y));
- }
- }
- }
- }
-
- }
-
-// ----------------------------------------------------------------------------------------
-
- void test_border_enumerator()
- {
-
-
-
- border_enumerator be;
- DLIB_TEST(be.at_start() == true);
- DLIB_TEST(be.size() == 0);
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.move_next() == false);
- DLIB_TEST(be.at_start() == false);
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.move_next() == false);
- DLIB_TEST(be.at_start() == false);
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.size() == 0);
-
- be = border_enumerator(rectangle(4,4,4,4),1);
- DLIB_TEST(be.at_start() == true);
- DLIB_TEST(be.size() == 1);
- be = border_enumerator(rectangle(4,4,4,4),3);
- DLIB_TEST(be.at_start() == true);
- DLIB_TEST(be.size() == 1);
- be = border_enumerator(rectangle(4,4,4,4),0);
- DLIB_TEST(be.at_start() == true);
- DLIB_TEST(be.size() == 0);
- be = border_enumerator(rectangle(4,4,5,5),0);
- DLIB_TEST(be.at_start() == true);
- DLIB_TEST(be.size() == 0);
- be = border_enumerator(rectangle(4,4,5,5),1);
- DLIB_TEST(be.at_start() == true);
- DLIB_TEST(be.size() == 4);
- be = border_enumerator(rectangle(4,4,5,5),2);
- DLIB_TEST(be.size() == 4);
- be = border_enumerator(rectangle(4,4,6,6),1);
- DLIB_TEST(be.size() == 8);
- be = border_enumerator(rectangle(4,4,6,6),2);
- DLIB_TEST(be.size() == 9);
- be = border_enumerator(rectangle(4,4,6,6),3);
- DLIB_TEST(be.size() == 9);
- DLIB_TEST(be.at_start() == true);
-
- array2d<unsigned char> img, img2;
- for (int size = 1; size < 10; ++size)
- {
- for (int bs = 0; bs < 4; ++bs)
- {
- img.set_size(size,size);
- img2.set_size(size,size);
-
- assign_all_pixels(img, 1);
- assign_all_pixels(img2, 1);
-
- zero_border_pixels(img2, bs,bs);
-
- be = border_enumerator(get_rect(img),bs);
- DLIB_TEST(be.at_start() == true);
- DLIB_TEST(be.current_element_valid() == false);
- while (be.move_next())
- {
- DLIB_TEST(be.at_start() == false);
- DLIB_TEST(be.current_element_valid() == true);
- DLIB_TEST_MSG(get_rect(img).contains(be.element()) == true,
- get_rect(img) << " " << be.element()
- );
- const point p = be.element();
- img[p.y()][p.x()] = 0;
- }
- DLIB_TEST(be.at_start() == false);
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.move_next() == false);
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.move_next() == false);
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.at_start() == false);
-
- DLIB_TEST(mat(img) == mat(img2));
-
- }
- }
-
- for (int size = 1; size < 10; ++size)
- {
- for (int bs = 0; bs < 4; ++bs)
- {
- img.set_size(size,size+5);
- img2.set_size(size,size+5);
-
- assign_all_pixels(img, 1);
- assign_all_pixels(img2, 1);
-
- zero_border_pixels(img2, bs,bs);
-
- const point shift(4,5);
-
- be = border_enumerator(translate_rect(get_rect(img),shift),bs);
- DLIB_TEST(be.at_start() == true);
- DLIB_TEST(be.current_element_valid() == false);
- while (be.move_next())
- {
- DLIB_TEST(be.current_element_valid() == true);
- DLIB_TEST(be.at_start() == false);
- DLIB_TEST_MSG(get_rect(img).contains(be.element()-shift) == true,
- get_rect(img) << " " << be.element()
- );
- const point p = be.element()-shift;
- img[p.y()][p.x()] = 0;
- }
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.move_next() == false);
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.move_next() == false);
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.at_start() == false);
-
- DLIB_TEST(mat(img) == mat(img2));
-
- }
- }
-
- for (int size = 1; size < 10; ++size)
- {
- for (int bs = 0; bs < 4; ++bs)
- {
- img.set_size(size+2,size);
- img2.set_size(size+2,size);
-
- assign_all_pixels(img, 1);
- assign_all_pixels(img2, 1);
-
- zero_border_pixels(img2, bs,bs);
-
- const point shift(-4,5);
-
- be = border_enumerator(translate_rect(get_rect(img),shift),bs);
- DLIB_TEST(be.current_element_valid() == false);
- while (be.move_next())
- {
- DLIB_TEST(be.current_element_valid() == true);
- DLIB_TEST_MSG(get_rect(img).contains(be.element()-shift) == true,
- get_rect(img) << " " << be.element()
- );
- const point p = be.element()-shift;
- img[p.y()][p.x()] = 0;
- }
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.move_next() == false);
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.move_next() == false);
- DLIB_TEST(be.current_element_valid() == false);
-
- DLIB_TEST(mat(img) == mat(img2));
-
- }
- }
-
- {
- matrix<bool,4,5> hits, truth;
- const rectangle rect = rectangle(1,1,4,3);
-
- border_enumerator be(rect, rectangle(2,2, 3, 3));
- DLIB_TEST(be.size() == 8);
- hits = false;
- while (be.move_next())
- {
- DLIB_TEST(rect.contains(be.element()));
- hits(be.element().y(), be.element().x()) = true;
- }
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.size() == 8);
- truth = false;
- truth(1,1) = truth(1,2) = truth(1,3) = truth(1,4) = truth(2,1) =
- truth(3,1) = truth(2,4) = truth(3,4) = true;
- DLIB_TEST_MSG(truth == hits, truth << endl << hits);
-
-
-
-
- be = border_enumerator(rect, rectangle(0,0, 9, 9));
- DLIB_TEST(be.size() == 0);
- hits = false;
- while (be.move_next())
- {
- DLIB_TEST(rect.contains(be.element()));
- hits(be.element().y(), be.element().x()) = true;
- }
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.size() == 0);
- truth = false;
- DLIB_TEST(truth == hits);
-
-
-
- be = border_enumerator(rect, rectangle(0,0, 3, 9));
- DLIB_TEST(be.size() == 3);
- hits = false;
- while (be.move_next())
- {
- DLIB_TEST(rect.contains(be.element()));
- hits(be.element().y(), be.element().x()) = true;
- }
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.size() == 3);
- truth = false;
- truth(1,4) = truth(2,4) = truth(3,4) = true;
- DLIB_TEST(truth == hits);
-
-
-
-
- be = border_enumerator(rect, rectangle(2,1, 4, 3));
- DLIB_TEST(be.size() == 3);
- hits = false;
- while (be.move_next())
- {
- DLIB_TEST(rect.contains(be.element()));
- hits(be.element().y(), be.element().x()) = true;
- }
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.size() == 3);
- truth = false;
- truth(1,1) = truth(2,1) = truth(3,1) = true;
- DLIB_TEST(truth == hits);
-
-
-
- be = border_enumerator(rect, rectangle(1,1, 5, 2));
- DLIB_TEST(be.size() == 4);
- hits = false;
- while (be.move_next())
- {
- DLIB_TEST(rect.contains(be.element()));
- hits(be.element().y(), be.element().x()) = true;
- }
- DLIB_TEST(be.current_element_valid() == false);
- DLIB_TEST(be.size() == 4);
- truth = false;
- truth(3,1) = truth(3,2) = truth(3,3) = truth(3,4) = true;
- DLIB_TEST(truth == hits);
-
-
-
- }
-
- }
-
-// ----------------------------------------------------------------------------------------
-
- void test_find_affine_transform()
- {
- //typedef dlib::vector<double,2> vect;
- typedef point vect;
- std::vector<vect> from, to;
-
- from.push_back(vect(0,0));
- to.push_back(vect(0,1));
-
- from.push_back(vect(0,1));
- to.push_back(vect(1,1));
-
- from.push_back(vect(1,1));
- to.push_back(vect(1,0));
-
- from.push_back(vect(1,0));
- to.push_back(vect(0,0));
-
- point_transform_affine t = find_affine_transform(from,to);
- point_transform_affine tinv = inv(t);
-
- for (unsigned long i = 0; i < from.size(); ++i)
- {
- dlog << LINFO << "affine transformation error: "<< length(t(from[i])-to[i]);
- DLIB_TEST(length(t(from[i])-to[i]) < 1e-14);
- DLIB_TEST(length(tinv(t(from[i]))-from[i]) < 1e-14);
- DLIB_TEST(length(t(tinv(from[i]))-from[i]) < 1e-14);
-
- point_transform_affine temp = t*inv(t);
- DLIB_TEST(length(temp.get_b()) < 1e-14);
- DLIB_TEST(max(abs(temp.get_m() - identity_matrix<double>(2))) < 1e-14);
- }
-
- ostringstream sout;
- serialize(t, sout);
- istringstream sin(sout.str());
- point_transform_affine t2;
- DLIB_TEST(length(t2(point(2,3)) - point(2,3)) < 1e-14);
- deserialize(t2, sin);
- DLIB_TEST(max(abs(t2.get_m()-t.get_m())) < 1e-14);
- DLIB_TEST(max(abs(t2.get_b()-t.get_b())) < 1e-14);
- }
-
-// ----------------------------------------------------------------------------------------
-
- double projective_transform_pass_rate(const double error_rate)
- {
- print_spinner();
- dlog << LINFO << "projective_transform_pass_rate, error_rate: "<< error_rate;
- dlib::rand rnd;
- running_stats<double> pass_rate;
- for (int rounds = 0; rounds < 1000; ++rounds)
- {
- running_stats<double> rs, rs_true;
- matrix<double> H = 2*(randm(3,3,rnd)-0.5);
-
- H(0,2) = rnd.get_random_gaussian()*10;
- H(1,2) = rnd.get_random_gaussian()*10;
-
-
- H(2,0) = rnd.get_random_double()*2.1;
- H(2,1) = rnd.get_random_double()*2.1;
- H(2,2) = 1 + rnd.get_random_gaussian()*3.1;
-
- point_transform_projective tran(H);
- point_transform_projective traninv = inv(tran);
-
- const int num = rnd.get_random_32bit_number()%8 + 4;
-
- std::vector<dlib::vector<double,2> > from_points, to_points;
- for (int i = 0; i < num; ++i)
- {
- dlib::vector<double,2> p = randm(2,1,rnd)*1000;
- from_points.push_back(p);
- to_points.push_back(tran(p) + (randm(2,1,rnd)-0.5)*error_rate);
- DLIB_TEST(length(traninv(tran(p))-p) <= 1e-5);
- DLIB_TEST(length(tran(traninv(p))-p) <= 1e-5);
-
- point_transform_projective temp = tran*traninv;
- DLIB_TEST_MSG(max(abs(temp.get_m() - identity_matrix<double>(3))) < 1e-10, temp.get_m());
- temp = traninv*tran;
- DLIB_TEST_MSG(max(abs(temp.get_m() - identity_matrix<double>(3))) < 1e-10, temp.get_m());
- }
-
-
- point_transform_projective tran2 = find_projective_transform(from_points, to_points);
-
- for (unsigned long i = 0; i < from_points.size(); ++i)
- {
- const double err = length_squared(tran2(from_points[i]) - to_points[i]);
- rs.add(err);
- const double err_true = length_squared(tran(from_points[i]) - to_points[i]);
- rs_true.add(err_true);
- }
-
- if ( rs.mean() < 0.01)
- {
- pass_rate.add(1);
- }
- else
- {
- dlog << LINFO << " errors: mean/max: " << rs.mean() << " " << rs.max();
- pass_rate.add(0);
- }
-
- ostringstream sout;
- serialize(tran, sout);
- istringstream sin(sout.str());
- point_transform_projective tran3;
- DLIB_TEST(length(tran3(point(2,3)) - point(2,3)) < 1e-14);
- deserialize(tran3, sin);
- DLIB_TEST(max(abs(tran3.get_m()-tran.get_m())) < 1e-14);
- }
-
- dlog << LINFO << " pass_rate.mean(): "<< pass_rate.mean();
- return pass_rate.mean();
- }
-
-// ----------------------------------------------------------------------------------------
-
- template <typename T>
- void test_find_similarity_transform()
- {
- print_spinner();
- std::vector<dlib::vector<T,2> > from_points, to_points;
-
- from_points.push_back(dlib::vector<T,2>(0,0));
- from_points.push_back(dlib::vector<T,2>(0,1));
- from_points.push_back(dlib::vector<T,2>(1,0));
-
- to_points.push_back(dlib::vector<T,2>(8,0));
- to_points.push_back(dlib::vector<T,2>(6,0));
- to_points.push_back(dlib::vector<T,2>(8,2));
-
- point_transform_affine tform = find_similarity_transform(from_points, to_points);
-
- for (unsigned long i = 0; i < from_points.size(); ++i)
- {
- DLIB_TEST(length(tform(from_points[i]) - to_points[i]) < 1e-14);
- }
- }
-
- template <typename T>
- void test_find_similarity_transform2()
- {
- print_spinner();
- std::vector<dlib::vector<T,2> > from_points, to_points;
-
- from_points.push_back(dlib::vector<T,2>(0,0));
- from_points.push_back(dlib::vector<T,2>(0,1));
-
- to_points.push_back(dlib::vector<T,2>(8,0));
- to_points.push_back(dlib::vector<T,2>(6,0));
-
- point_transform_affine tform = find_similarity_transform(from_points, to_points);
-
- for (unsigned long i = 0; i < from_points.size(); ++i)
- {
- DLIB_TEST(length(tform(from_points[i]) - to_points[i]) < 1e-14);
- }
- }
-
-
-// ----------------------------------------------------------------------------------------
-
- void test_rect_to_drect()
- {
- print_spinner();
- dlib::rand rnd;
- for (int i = 0; i < 5000; ++i)
- {
- rectangle rect = centered_rect(rnd.get_random_32bit_number()%100,
- rnd.get_random_32bit_number()%100,
- rnd.get_random_32bit_number()%100,
- rnd.get_random_32bit_number()%100);
-
- drectangle drect = rect;
- rectangle rect2 = drect;
- DLIB_TEST(rect2 == rect);
- DLIB_TEST(rect.width() == drect.width());
- DLIB_TEST(rect.height() == drect.height());
- DLIB_TEST(dcenter(rect) == dcenter(drect));
- DLIB_TEST(rect.is_empty() == drect.is_empty());
- }
- }
-
-// ----------------------------------------------------------------------------------------
-
- void test_affine3d()
- {
- const dlib::vector<double> x(1,0,0);
- const dlib::vector<double> y(0,1,0);
- const dlib::vector<double> z(0,0,1);
- const dlib::vector<double> e(1,1,1);
- const dlib::vector<double> ex(-1,1,1);
- const dlib::vector<double> ey(1,-1,1);
- const dlib::vector<double> ez(1,1,-1);
-
- dlib::vector<double> w;
-
- w = rotate_around_z(pi/2)(x);
- DLIB_TEST(length(w-y) < 1e-12);
- w = rotate_around_z(pi/2)(e);
- DLIB_TEST(length(w-ex) < 1e-12);
-
- w = rotate_around_y(-pi/2)(x);
- DLIB_TEST(length(w-z) < 1e-12);
- w = rotate_around_y(pi/2)(e);
- DLIB_TEST(length(w-ez) < 1e-12);
-
- w = rotate_around_x(pi/2)(y);
- DLIB_TEST(length(w-z) < 1e-12);
- w = rotate_around_x(pi/2)(e);
- DLIB_TEST(length(w-ey) < 1e-12);
-
- w = translate_point(x)(y);
- DLIB_TEST(length(w-x-y) < 1e-12);
-
- point_transform_affine3d tform;
- tform = rotate_around_x(pi/2)*rotate_around_z(pi/2)*translate_point(x);
- DLIB_TEST(length(tform(dlib::vector<double>())-z) < 1e-12);
- DLIB_TEST(length(inv(tform)(z)) < 1e-12);
-
- point_transform_affine tform2;
- tform = tform*tform2;// the default tform is the identity mapping so this shouldn't do anything different
- DLIB_TEST(length(tform(dlib::vector<double>())-z) < 1e-12);
- DLIB_TEST(length(inv(tform)(z)) < 1e-12);
- }
-
-// ----------------------------------------------------------------------------------------
-
- class geometry_tester : public tester
- {
- public:
- geometry_tester (
- ) :
- tester ("test_geometry",
- "Runs tests on the geometry stuff.")
- {}
-
- void perform_test (
- )
- {
- test_affine3d();
- test_rect_to_drect();
- geometry_test();
- test_border_enumerator();
- test_find_affine_transform();
- DLIB_TEST(projective_transform_pass_rate(0.1) > 0.99);
- DLIB_TEST(projective_transform_pass_rate(0.0) == 1);
-
- test_find_similarity_transform<double>();
- test_find_similarity_transform2<double>();
- test_find_similarity_transform<float>();
- test_find_similarity_transform2<float>();
- }
- } a;
-
-}
-
-
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 07:03:52 +0000