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Andrey Kamaev
2012-08-07 13:29:43 +04:00
parent b061d4847f
commit 639bbec44a
66 changed files with 1180 additions and 1305 deletions
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28
doc/tutorials/imgproc/shapedescriptors/bounding_rects_circles/bounding_rects_circles.rst
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@@ -11,9 +11,9 @@ In this tutorial you will learn how to:
.. container:: enumeratevisibleitemswithsquare
* Use the OpenCV function :bounding_rect:`boundingRect <>`
* Use the OpenCV function :bounding_rect:`boundingRect <>`
* Use the OpenCV function :min_enclosing_circle:`minEnclosingCircle <>`
Theory
======
@@ -21,9 +21,9 @@ 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/generalContours_demo1.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/generalContours_demo1.cpp>`_
.. code-block:: cpp
.. code-block:: cpp
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
@@ -73,7 +73,7 @@ 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) );
/// Approximate contours to polygons + get bounding rects and circles
@@ -83,18 +83,18 @@ This tutorial code's is shown lines below. You can also download it from `here <
vector<float>radius( contours.size() );
for( int i = 0; i < contours.size(); i++ )
{ approxPolyDP( Mat(contours[i]), contours_poly[i], 3, true );
boundRect[i] = boundingRect( Mat(contours_poly[i]) );
{ approxPolyDP( Mat(contours[i]), contours_poly[i], 3, true );
boundRect[i] = boundingRect( Mat(contours_poly[i]) );
minEnclosingCircle( contours_poly[i], center[i], radius[i] );
}
}
/// Draw polygonal contour + bonding rects + circles
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_poly, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, contours_poly, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
rectangle( drawing, boundRect[i].tl(), boundRect[i].br(), color, 2, 8, 0 );
circle( drawing, center[i], (int)radius[i], color, 2, 8, 0 );
}
@@ -112,13 +112,13 @@ Result
#. Here it is:
========== ==========
|BRC_0| |BRC_1|
========== ==========
========== ==========
|BRC_0| |BRC_1|
========== ==========
.. |BRC_0| image:: images/Bounding_Rects_Circles_Source_Image.jpg
:align: middle
.. |BRC_1| image:: images/Bounding_Rects_Circles_Result.jpg
:align: middle
:align: middle

32
doc/tutorials/imgproc/shapedescriptors/bounding_rotated_ellipses/bounding_rotated_ellipses.rst
View File

@@ -11,9 +11,9 @@ In this tutorial you will learn how to:
.. container:: enumeratevisibleitemswithsquare
* Use the OpenCV function :min_area_rect:`minAreaRect <>`
* Use the OpenCV function :min_area_rect:`minAreaRect <>`
* Use the OpenCV function :fit_ellipse:`fitEllipse <>`
Theory
======
@@ -21,9 +21,9 @@ 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/generalContours_demo2.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/generalContours_demo2.cpp>`_
.. code-block:: cpp
.. code-block:: cpp
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
@@ -73,7 +73,7 @@ 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 rotated rectangles and ellipses for each contour
@@ -81,29 +81,29 @@ This tutorial code's is shown lines below. You can also download it from `here <
vector<RotatedRect> minEllipse( contours.size() );
for( int i = 0; i < contours.size(); i++ )
{ minRect[i] = minAreaRect( Mat(contours[i]) );
{ minRect[i] = minAreaRect( Mat(contours[i]) );
if( contours[i].size() > 5 )
{ minEllipse[i] = fitEllipse( Mat(contours[i]) ); }
}
}
/// Draw contours + rotated rects + ellipses
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) );
// contour
drawContours( drawing, contours, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
drawContours( drawing, contours, i, color, 1, 8, vector<Vec4i>(), 0, Point() );
// ellipse
ellipse( drawing, minEllipse[i], color, 2, 8 );
// rotated rectangle
// rotated rectangle
Point2f rect_points[4]; minRect[i].points( rect_points );
for( int j = 0; j < 4; j++ )
line( drawing, rect_points[j], rect_points[(j+1)%4], color, 1, 8 );
line( drawing, rect_points[j], rect_points[(j+1)%4], color, 1, 8 );
}
/// Show in a window
namedWindow( "Contours", CV_WINDOW_AUTOSIZE );
imshow( "Contours", drawing );
imshow( "Contours", drawing );
}
Explanation
@@ -114,13 +114,13 @@ Result
#. Here it is:
========== ==========
|BRE_0| |BRE_1|
========== ==========
========== ==========
|BRE_0| |BRE_1|
========== ==========
.. |BRE_0| image:: images/Bounding_Rotated_Ellipses_Source_Image.jpg
:align: middle
.. |BRE_1| image:: images/Bounding_Rotated_Ellipses_Result.jpg
:align: middle
:align: middle

24
doc/tutorials/imgproc/shapedescriptors/find_contours/find_contours.rst
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@@ -10,8 +10,8 @@ In this tutorial you will learn how to:
.. container:: enumeratevisibleitemswithsquare
* Use the OpenCV function :find_contours:`findContours <>`
* Use the OpenCV function :draw_contours:`drawContours <>`
* Use the OpenCV function :find_contours:`findContours <>`
* Use the OpenCV function :draw_contours:`drawContours <>`
Theory
======
@@ -19,9 +19,9 @@ 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/findContours_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/findContours_demo.cpp>`_
.. code-block:: cpp
.. code-block:: cpp
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
@@ -71,20 +71,20 @@ This tutorial code's is shown lines below. You can also download it from `here <
/// Detect edges using canny
Canny( src_gray, canny_output, thresh, thresh*2, 3 );
/// Find contours
/// Find contours
findContours( canny_output, contours, hierarchy, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, Point(0, 0) );
/// Draw contours
Mat drawing = Mat::zeros( canny_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, 2, 8, hierarchy, 0, Point() );
drawContours( drawing, contours, i, color, 2, 8, hierarchy, 0, Point() );
}
/// Show in a window
namedWindow( "Contours", CV_WINDOW_AUTOSIZE );
imshow( "Contours", drawing );
imshow( "Contours", drawing );
}
Explanation
@@ -95,13 +95,13 @@ Result
#. Here it is:
============= =============
|contour_0| |contour_1|
============= =============
============= =============
|contour_0| |contour_1|
============= =============
.. |contour_0| image:: images/Find_Contours_Original_Image.jpg
:align: middle
.. |contour_1| image:: images/Find_Contours_Result.jpg
:align: middle
:align: middle

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

30
doc/tutorials/imgproc/shapedescriptors/moments/moments.rst
View File

@@ -11,9 +11,9 @@ In this tutorial you will learn how to:
.. container:: enumeratevisibleitemswithsquare
* Use the OpenCV function :moments:`moments <>`
* Use the OpenCV function :moments:`moments <>`
* Use the OpenCV function :contour_area:`contourArea <>`
* Use the OpenCV function :arc_length:`arcLength <>`
* Use the OpenCV function :arc_length:`arcLength <>`
Theory
======
@@ -21,9 +21,9 @@ 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/moments_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/moments_demo.cpp>`_
.. code-block:: cpp
.. code-block:: cpp
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
@@ -73,7 +73,7 @@ This tutorial code's is shown lines below. You can also download it from `here <
/// Detect edges using canny
Canny( src_gray, canny_output, thresh, thresh*2, 3 );
/// Find contours
/// Find contours
findContours( canny_output, contours, hierarchy, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, Point(0, 0) );
/// Get the moments
@@ -81,7 +81,7 @@ This tutorial code's is shown lines below. You can also download it from `here <
for( int i = 0; i < contours.size(); i++ )
{ mu[i] = moments( contours[i], false ); }
/// Get the mass centers:
/// Get the mass centers:
vector<Point2f> mc( contours.size() );
for( int i = 0; i < contours.size(); i++ )
{ mc[i] = Point2f( mu[i].m10/mu[i].m00 , mu[i].m01/mu[i].m00 ); }
@@ -89,9 +89,9 @@ This tutorial code's is shown lines below. You can also download it from `here <
/// Draw contours
Mat drawing = Mat::zeros( canny_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, 2, 8, hierarchy, 0, Point() );
drawContours( drawing, contours, i, color, 2, 8, hierarchy, 0, Point() );
circle( drawing, mc[i], 4, color, -1, 8, 0 );
}
@@ -103,9 +103,9 @@ This tutorial code's is shown lines below. You can also download it from `here <
printf("\t Info: Area and Contour Length \n");
for( int i = 0; i< contours.size(); i++ )
{
printf(" * Contour[%d] - Area (M_00) = %.2f - Area OpenCV: %.2f - Length: %.2f \n", i, mu[i].m00, contourArea(contours[i]), arcLength( contours[i], true ) );
printf(" * Contour[%d] - Area (M_00) = %.2f - Area OpenCV: %.2f - Length: %.2f \n", i, mu[i].m00, contourArea(contours[i]), arcLength( contours[i], true ) );
Scalar color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) );
drawContours( drawing, contours, i, color, 2, 8, hierarchy, 0, Point() );
drawContours( drawing, contours, i, color, 2, 8, hierarchy, 0, Point() );
circle( drawing, mc[i], 4, color, -1, 8, 0 );
}
}
@@ -118,9 +118,9 @@ Result
#. Here it is:
========== ========== ==========
|MU_0| |MU_1| |MU_2|
========== ========== ==========
========== ========== ==========
|MU_0| |MU_1| |MU_2|
========== ========== ==========
.. |MU_0| image:: images/Moments_Source_Image.jpg
:width: 250pt
@@ -128,9 +128,9 @@ Result
.. |MU_1| image:: images/Moments_Result1.jpg
:width: 250pt
:align: middle
:align: middle
.. |MU_2| image:: images/Moments_Result2.jpg
:width: 250pt
:align: middle
:align: middle

28
doc/tutorials/imgproc/shapedescriptors/point_polygon_test/point_polygon_test.rst
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@@ -10,8 +10,8 @@ In this tutorial you will learn how to:
.. container:: enumeratevisibleitemswithsquare
* Use the OpenCV function :point_polygon_test:`pointPolygonTest <>`
* Use the OpenCV function :point_polygon_test:`pointPolygonTest <>`
Theory
======
@@ -19,9 +19,9 @@ 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/pointPolygonTest_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/pointPolygonTest_demo.cpp>`_
.. code-block:: cpp
.. code-block:: cpp
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
@@ -51,13 +51,13 @@ This tutorial code's is shown lines below. You can also download it from `here <
/// Draw it in src
for( int j = 0; j < 6; j++ )
{ line( src, vert[j], vert[(j+1)%6], Scalar( 255 ), 3, 8 ); }
{ line( src, vert[j], vert[(j+1)%6], Scalar( 255 ), 3, 8 ); }
/// Get the contours
vector<vector<Point> > contours; vector<Vec4i> hierarchy;
Mat src_copy = src.clone();
findContours( src_copy, contours, hierarchy, RETR_TREE, CHAIN_APPROX_SIMPLE);
findContours( src_copy, contours, hierarchy, RETR_TREE, CHAIN_APPROX_SIMPLE);
/// Calculate the distances to the contour
Mat raw_dist( src.size(), CV_32FC1 );
@@ -70,19 +70,19 @@ This tutorial code's is shown lines below. You can also download it from `here <
double minVal; double maxVal;
minMaxLoc( raw_dist, &minVal, &maxVal, 0, 0, Mat() );
minVal = abs(minVal); maxVal = abs(maxVal);
/// Depicting the distances graphically
Mat drawing = Mat::zeros( src.size(), CV_8UC3 );
for( int j = 0; j < src.rows; j++ )
{ for( int i = 0; i < src.cols; i++ )
{
{
if( raw_dist.at<float>(j,i) < 0 )
{ drawing.at<Vec3b>(j,i)[0] = 255 - (int) abs(raw_dist.at<float>(j,i))*255/minVal; }
else if( raw_dist.at<float>(j,i) > 0 )
{ drawing.at<Vec3b>(j,i)[2] = 255 - (int) raw_dist.at<float>(j,i)*255/maxVal; }
{ drawing.at<Vec3b>(j,i)[2] = 255 - (int) raw_dist.at<float>(j,i)*255/maxVal; }
else
{ drawing.at<Vec3b>(j,i)[0] = 255; drawing.at<Vec3b>(j,i)[1] = 255; drawing.at<Vec3b>(j,i)[2] = 255; }
{ drawing.at<Vec3b>(j,i)[0] = 255; drawing.at<Vec3b>(j,i)[1] = 255; drawing.at<Vec3b>(j,i)[2] = 255; }
}
}
@@ -105,13 +105,13 @@ Result
#. Here it is:
========== ==========
|PPT_0| |PPT_1|
========== ==========
========== ==========
|PPT_0| |PPT_1|
========== ==========
.. |PPT_0| image:: images/Point_Polygon_Test_Source_Image.png
:align: middle
.. |PPT_1| image:: images/Point_Polygon_Test_Result.jpg
:align: middle
:align: middle