5 #include <visp3/core/vpImage.h>
6 #include <visp3/gui/vpDisplayGDI.h>
7 #include <visp3/gui/vpDisplayOpenCV.h>
8 #include <visp3/gui/vpDisplayX.h>
9 #include <visp3/io/vpImageIo.h>
11 #if defined(VISP_HAVE_MODULE_IMGPROC) && (defined(VISP_HAVE_X11) || defined(VISP_HAVE_GDI) || defined(VISP_HAVE_OPENCV))
13 #include <visp3/imgproc/vpImgproc.h>
19 void displayContourInfo(
const vp::vpContour &contour,
int level)
21 std::cout <<
"\nContour:" << std::endl;
22 std::cout <<
"\tlevel: " << level << std::endl;
25 std::cout <<
"\tcontour size: " << contour.
m_points.size() << std::endl;
26 std::cout <<
"\tnb children: " << contour.
m_children.size() << std::endl;
28 for (std::vector<vp::vpContour *>::const_iterator it = contour.
m_children.begin(); it != contour.
m_children.end();
30 displayContourInfo(**it, level + 1);
38 std::vector<std::vector<vpImagePoint> > contours;
39 contours.push_back(contour.
m_points);
42 for (std::vector<vp::vpContour *>::const_iterator it = contour.
m_children.begin(); it != contour.
m_children.end();
44 drawContoursTree(I, **it);
51 int main(
int argc,
const char **argv)
54 #if defined(VISP_HAVE_MODULE_IMGPROC) && (defined(VISP_HAVE_X11) || defined(VISP_HAVE_GDI) || defined(VISP_HAVE_OPENCV))
57 std::string input_filename =
"grid36-03.pgm";
58 bool white_foreground =
false;
61 for (
int i = 1; i < argc; i++) {
62 if (std::string(argv[i]) ==
"--input" && i + 1 < argc) {
63 input_filename = std::string(argv[i + 1]);
64 }
else if (std::string(argv[i]) ==
"--white_foreground") {
65 white_foreground =
true;
66 }
else if (std::string(argv[i]) ==
"--method" && i + 1 < argc) {
68 }
else if (std::string(argv[i]) ==
"--help" || std::string(argv[i]) ==
"-h") {
69 std::cout <<
"Usage: " << argv[0]
70 <<
" [--input <input image>] [--method <0: "
71 "CONTOUR_RETR_TREE, 1: CONTOUR_RETR_LIST, 2: "
72 "CONTOUR_RETR_EXTERNAL>]"
73 " [--white_foreground] [--help]"
89 #elif defined(VISP_HAVE_GDI)
91 #elif defined(HAVE_OPENCV_HIGHGUI)
94 d.
init(I_bin, 0, 0,
"After binarisation");
95 d2.
init(I_draw_contours, I_bin.getWidth(), 10,
"Contours");
100 for (
unsigned int i = 0; i < I_bin.getSize(); i++) {
101 I_bin.bitmap[i] = 255 * I.
bitmap[i];
106 std::vector<std::vector<vpImagePoint> > contours;
123 drawContoursTree(I_draw_contours, vp_contours);
125 displayContourInfo(vp_contours, 0);
static const vpColor green
Display for windows using GDI (available on any windows 32 platform).
The vpDisplayOpenCV allows to display image using the OpenCV library. Thus to enable this class OpenC...
Use the X11 console to display images on unix-like OS. Thus to enable this class X11 should be instal...
void init(vpImage< unsigned char > &I, int win_x=-1, int win_y=-1, const std::string &win_title="")
static bool getClick(const vpImage< unsigned char > &I, bool blocking=true)
static void display(const vpImage< unsigned char > &I)
static void flush(const vpImage< unsigned char > &I)
static void displayText(const vpImage< unsigned char > &I, const vpImagePoint &ip, const std::string &s, const vpColor &color)
static void read(vpImage< unsigned char > &I, const std::string &filename, int backend=IO_DEFAULT_BACKEND)
unsigned int getWidth() const
Type * bitmap
points toward the bitmap
unsigned int getHeight() const
VISP_EXPORT void findContours(const vpImage< unsigned char > &I_original, vpContour &contours, std::vector< std::vector< vpImagePoint > > &contourPts, const vpContourRetrievalType &retrievalMode=vp::CONTOUR_RETR_TREE)
VISP_EXPORT void drawContours(vpImage< unsigned char > &I, const std::vector< std::vector< vpImagePoint > > &contours, unsigned char grayValue=255)
VISP_EXPORT unsigned char autoThreshold(vpImage< unsigned char > &I, const vp::vpAutoThresholdMethod &method, const unsigned char backgroundValue=0, const unsigned char foregroundValue=255)
vpContourType m_contourType
Contour type.
std::vector< vpImagePoint > m_points
Vector of points belonging to the contour.
std::vector< vpContour * > m_children
Children contour.