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This commit is contained in:
Andrey Kamaev
2012-08-07 13:29:43 +04:00
parent a3527fc4d8
commit 5100ca7508
66 changed files with 1180 additions and 1305 deletions
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28
doc/tutorials/imgproc/shapedescriptors/hull/hull.rst
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@@ -10,7 +10,7 @@ In this tutorial you will learn how to:
.. container:: enumeratevisibleitemswithsquare
* Use the OpenCV function :convex_hull:`convexHull <>`
* Use the OpenCV function :convex_hull:`convexHull <>`
Theory
@@ -19,11 +19,11 @@ Theory
Code
====
This tutorial code's is shown lines below. You can also download it from `here <http://code.opencv.org/svn/opencv/trunk/opencv/samples/cpp/tutorial_code/ShapeDescriptors/hull_demo.cpp>`_
This tutorial code's is shown lines below. You can also download it from `here <http://code.opencv.org/projects/opencv/repository/revisions/master/raw/samples/cpp/tutorial_code/ShapeDescriptors/hull_demo.cpp>`_
.. code-block:: cpp
.. code-block:: cpp
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include <iostream>
#include <stdio.h>
@@ -33,7 +33,7 @@ This tutorial code's is shown lines below. You can also download it from `here <
using namespace std;
Mat src; Mat src_gray;
int thresh = 100;
int thresh = 100;
int max_thresh = 255;
RNG rng(12345);
@@ -73,21 +73,21 @@ This tutorial code's is shown lines below. You can also download it from `here <
/// Detect edges using Threshold
threshold( src_gray, threshold_output, thresh, 255, THRESH_BINARY );
/// Find contours
/// Find contours
findContours( threshold_output, contours, hierarchy, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, Point(0, 0) );
/// Find the convex hull object for each contour
vector<vector<Point> >hull( contours.size() );
for( int i = 0; i < contours.size(); i++ )
{ convexHull( Mat(contours[i]), hull[i], false ); }
{ convexHull( Mat(contours[i]), hull[i], false ); }
/// Draw contours + hull results
Mat drawing = Mat::zeros( threshold_output.size(), CV_8UC3 );
for( int i = 0; i< contours.size(); i++ )
{
{
Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) );
drawContours( drawing, contours, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, hull, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, contours, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, hull, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
}
/// Show in a window
@@ -104,13 +104,13 @@ Result
#. Here it is:
========== ==========
|Hull_0| |Hull_1|
========== ==========
========== ==========
|Hull_0| |Hull_1|
========== ==========
.. |Hull_0| image:: images/Hull_Original_Image.jpg
:align: middle
.. |Hull_1| image:: images/Hull_Result.jpg
:align: middle
:align: middle