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updates documentation and samples
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@ -359,7 +359,7 @@ CVAPI(CvMat*) cvGetSubRect( const CvArr* arr, CvMat* submat, CvRect rect );
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/** @brief Returns array row or row span.
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The functions return the header, corresponding to a specified row/row span of the input array.
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The function returns the header, corresponding to a specified row/row span of the input array.
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cvGetRow(arr, submat, row) is a shortcut for cvGetRows(arr, submat, row, row+1).
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@param arr Input array
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@param submat Pointer to the resulting sub-array header
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@ -385,7 +385,7 @@ CV_INLINE CvMat* cvGetRow( const CvArr* arr, CvMat* submat, int row )
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/** @brief Returns one of more array columns.
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The functions return the header, corresponding to a specified column span of the input array. That
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The function returns the header, corresponding to a specified column span of the input array. That
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is, no data is copied. Therefore, any modifications of the submatrix will affect the original array.
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If you need to copy the columns, use cvCloneMat. cvGetCol(arr, submat, col) is a shortcut for
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@ -58,8 +58,8 @@ namespace cv
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/** @brief Template function for accurate conversion from one primitive type to another.
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The functions saturate_cast resemble the standard C++ cast operations, such as static_cast\<T\>()
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and others. They perform an efficient and accurate conversion from one primitive type to another
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The function saturate_cast resembles the standard C++ cast operations, such as static_cast\<T\>()
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and others. It perform an efficient and accurate conversion from one primitive type to another
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(see the introduction chapter). saturate in the name means that when the input value v is out of the
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range of the target type, the result is not formed just by taking low bits of the input, but instead
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the value is clipped. For example:
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@ -2623,7 +2623,7 @@ CV_EXPORTS_AS(integral3) void integral( InputArray src, OutputArray sum,
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//! @addtogroup imgproc_motion
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//! @{
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/** @brief Adds an image to the accumulator.
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/** @brief Adds an image to the accumulator image.
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The function adds src or some of its elements to dst :
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@ -2631,7 +2631,7 @@ The function adds src or some of its elements to dst :
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The function supports multi-channel images. Each channel is processed independently.
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The functions accumulate\* can be used, for example, to collect statistics of a scene background
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The function cv::accumulate can be used, for example, to collect statistics of a scene background
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viewed by a still camera and for the further foreground-background segmentation.
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@param src Input image of type CV_8UC(n), CV_16UC(n), CV_32FC(n) or CV_64FC(n), where n is a positive integer.
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@ -2643,7 +2643,7 @@ viewed by a still camera and for the further foreground-background segmentation.
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CV_EXPORTS_W void accumulate( InputArray src, InputOutputArray dst,
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InputArray mask = noArray() );
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/** @brief Adds the square of a source image to the accumulator.
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/** @brief Adds the square of a source image to the accumulator image.
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The function adds the input image src or its selected region, raised to a power of 2, to the
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accumulator dst :
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@ -2662,7 +2662,7 @@ floating-point.
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CV_EXPORTS_W void accumulateSquare( InputArray src, InputOutputArray dst,
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InputArray mask = noArray() );
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/** @brief Adds the per-element product of two input images to the accumulator.
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/** @brief Adds the per-element product of two input images to the accumulator image.
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The function adds the product of two images or their selected regions to the accumulator dst :
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@ -2672,7 +2672,7 @@ The function supports multi-channel images. Each channel is processed independen
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@param src1 First input image, 1- or 3-channel, 8-bit or 32-bit floating point.
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@param src2 Second input image of the same type and the same size as src1 .
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@param dst %Accumulator with the same number of channels as input images, 32-bit or 64-bit
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@param dst %Accumulator image with the same number of channels as input images, 32-bit or 64-bit
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floating-point.
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@param mask Optional operation mask.
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@ -1,84 +1,37 @@
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#include <opencv2/opencv.hpp>
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#include "opencv2/imgproc.hpp"
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#include "opencv2/imgcodecs.hpp"
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#include "opencv2/highgui.hpp"
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#include <iostream>
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using namespace cv;
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using namespace std;
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enum MyShape{MyCIRCLE=0,MyRECTANGLE,MyELLIPSE};
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struct ParamColorMar {
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struct ParamColorMap {
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int iColormap;
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Mat img;
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};
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Ptr<Mat> lutRND;
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String winName="False color";
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static const String ColorMaps[] = { "Autumn", "Bone", "Jet", "Winter", "Rainbow", "Ocean", "Summer",
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"Spring", "Cool", "HSV", "Pink", "Hot", "Parula", "User defined (random)"};
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static void TrackColorMap(int x, void *r)
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{
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std::cout << "selected: " << x << std::endl;
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ParamColorMar *p = (ParamColorMar*)r;
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ParamColorMap *p = (ParamColorMap*)r;
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Mat dst;
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p->iColormap= x;
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if (x == cv::COLORMAP_PARULA + 1)
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if (x == COLORMAP_PARULA + 1)
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{
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if (!lutRND)
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{
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RNG ra;
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lutRND = makePtr<Mat>(256, 1, CV_8UC3);
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ra.fill(*lutRND, RNG::UNIFORM, 0, 256);
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}
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applyColorMap(p->img, dst, *lutRND.get());
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Mat lutRND(256, 1, CV_8UC3);
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randu(lutRND, Scalar(0, 0, 0), Scalar(255, 255, 255));
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applyColorMap(p->img, dst, lutRND);
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}
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else
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applyColorMap(p->img,dst,p->iColormap);
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String colorMapName;
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switch (p->iColormap) {
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case COLORMAP_AUTUMN :
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colorMapName = "Colormap : Autumn";
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break;
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case COLORMAP_BONE :
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colorMapName = "Colormap : Bone";
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break;
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case COLORMAP_JET :
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colorMapName = "Colormap : Jet";
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break;
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case COLORMAP_WINTER :
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colorMapName = "Colormap : Winter";
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break;
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case COLORMAP_RAINBOW :
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colorMapName = "Colormap : Rainbow";
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break;
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case COLORMAP_OCEAN :
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colorMapName = "Colormap : Ocean";
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break;
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case COLORMAP_SUMMER :
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colorMapName = "Colormap : Summer";
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break;
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case COLORMAP_SPRING :
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colorMapName = "Colormap : Spring";
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break;
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case COLORMAP_COOL :
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colorMapName = "Colormap : Cool";
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break;
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case COLORMAP_HSV :
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colorMapName = "Colormap : HSV";
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break;
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case COLORMAP_PINK :
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colorMapName = "Colormap : Pink";
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break;
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case COLORMAP_HOT :
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colorMapName = "Colormap : Hot";
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break;
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case COLORMAP_PARULA :
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colorMapName = "Colormap : Parula";
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break;
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default:
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colorMapName = "User colormap : random";
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break;
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}
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std::cout << "> " << colorMapName << std::endl;
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putText(dst, colorMapName, Point(10, 20), cv::FONT_HERSHEY_SIMPLEX, 1, Scalar(255, 255, 255));
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putText(dst, "Colormap : "+ColorMaps[p->iColormap], Point(10, 20), FONT_HERSHEY_SIMPLEX, 0.8, Scalar(255, 255, 255),2);
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imshow(winName, dst);
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}
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@ -128,27 +81,29 @@ static Mat DrawMyImage(int thickness,int nbShape)
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int main(int argc, char** argv)
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{
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ParamColorMar p;
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cout << "This program demonstrates the use of applyColorMap function.\n\n";
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ParamColorMap p;
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Mat img;
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if (argc > 1)
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img = imread(argv[1], 0);
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img = imread(argv[1], IMREAD_GRAYSCALE);
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else
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img = DrawMyImage(2,256);
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p.img=img;
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p.iColormap=0;
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imshow("Gray image",img);
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namedWindow(winName);
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createTrackbar("colormap", winName,&p.iColormap,1,TrackColorMap,(void*)&p);
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setTrackbarMin("colormap", winName, cv::COLORMAP_AUTUMN);
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setTrackbarMax("colormap", winName, cv::COLORMAP_PARULA+1);
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setTrackbarMin("colormap", winName, COLORMAP_AUTUMN);
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setTrackbarMax("colormap", winName, COLORMAP_PARULA+1);
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setTrackbarPos("colormap", winName, -1);
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TrackColorMap((int)getTrackbarPos("colormap", winName),(void*)&p);
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while (waitKey(0) != 27)
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{
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std::cout << "Press 'ESC' to exit" << std::endl;
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}
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TrackColorMap(0, (void*)&p);
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cout << "Press a key to exit" << endl;
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waitKey(0);
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return 0;
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}
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#include "opencv2/imgproc.hpp"
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#include "opencv2/highgui.hpp"
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#include <cctype>
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#include <iostream>
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#include <iterator>
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#include <stdio.h>
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using namespace std;
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using namespace cv;
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static void help()
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{
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cout << "\nThis program demonstrates template match with mask.\n"
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"Usage:\n"
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"./mask_tmpl -i=<image_name> -t=<template_name> -m=<mask_name>, Default is ../data/lena_tmpl.jpg\n"
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<< endl;
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}
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int main( int argc, const char** argv )
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{
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help();
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cv::CommandLineParser parser(argc, argv,
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"{ i | ../data/lena_tmpl.jpg | }"
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"{ t | ../data/tmpl.png | }"
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"{ m | ../data/mask.png | }");
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CommandLineParser parser(argc, argv,
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"{ i | ../data/lena_tmpl.jpg |image name }"
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"{ t | ../data/tmpl.png |template name }"
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"{ m | ../data/mask.png |mask name }"
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"{ cm| 3 |comparison method }");
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cout << "This program demonstrates the use of template matching with mask.\n\n";
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parser.printMessage();
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string filename = parser.get<string>("i");
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string tmplname = parser.get<string>("t");
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@ -35,27 +26,23 @@ int main( int argc, const char** argv )
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if(img.empty())
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{
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help();
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cout << "can not open " << filename << endl;
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return -1;
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}
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if(tmpl.empty())
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{
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help();
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cout << "can not open " << tmplname << endl;
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return -1;
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}
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if(mask.empty())
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{
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help();
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cout << "can not open " << maskname << endl;
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return -1;
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}
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//int method = CV_TM_SQDIFF;
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int method = CV_TM_CCORR_NORMED;
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int method = parser.get<int>("cm"); // default 3 (CV_TM_CCORR_NORMED)
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matchTemplate(img, tmpl, res, method, mask);
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double minVal, maxVal;
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