Mercurial > hg > nsaunier > traffic-intelligence

annotate c/test-pixels.cpp @ 297:f6f423e25c7f

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adding function to generate step plots (for cumulative number of vehicles)
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Mon, 11 Feb 2013 17:35:37 -0500
parents eb38637f338d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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eb38637f338d created cvutils
Nicolas Saunier <nico@confins.net>
parents: 8
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1 #include "cvutils.hpp"
eb38637f338d created cvutils
Nicolas Saunier <nico@confins.net>
parents: 8
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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3 #include "opencv/cv.h"
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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4 #include "opencv/highgui.h"
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
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parents: 3
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ace29ecfb846 basic files and directories
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6 #include <iostream>
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8 using namespace std;
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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11 int main(int argc, char *argv[]) {
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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12 //cout << "Hello World" << endl;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
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parents: 3
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14 CvCapture *inputVideo = cvCaptureFromFile(argv[1]);
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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16 IplImage* frame = cvQueryFrame(inputVideo);
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eb38637f338d created cvutils
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parents: 8
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17 IplImage* bwFrame = allocateImage(frame->width, frame->height, IPL_DEPTH_8U, 1);
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
diff changeset
19 int frameNum = 0;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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20 while (frame) {
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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21 if (frameNum%10 == 0)
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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22 cout << frameNum << endl;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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23 cvConvertImage(frame, bwFrame);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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24
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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25 for (int i=0; i<frame->height; ++i)
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
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parents: 3
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26 for (int j=0; j<frame->width; ++j)
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
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parents: 3
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27 int gray = cvGetReal2D(bwFrame, i, j);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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29 frame = cvQueryFrame(inputVideo);
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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30 frameNum++;
6509f5b1d795 updated and added makefile to compile C++ code using opencv in its directory, whipped up simple test to read the pixels in BW images
Nicolas Saunier <nico@confins.net>
parents: 3
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31 }
3
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32
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33 return 1;
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34 }