资源简介
通过读取摄像头,获得图片进行图像处理,动态物体检测,通过经过的基准线的变化的像素数。检测通过路口的汽车数量。本人已经添加车辆计数功能。并亲测功能。OPENCV和C++的应用。需要自行调整摄像头。根据路口的位置自行设置基准线。内含 读取内置视频和读取外界摄像头程序。默认是读取摄像头 修改参数就可以调整为读取内存
代码片段和文件信息
//////////////////////////////////////////////////////////////////////
// Video Capture using DirectShow
// Author: Shiqi Yu (shiqi.yu@gmail.com)
// Thanks to:
// HardyAI@OpenCV China
// flymanbox@OpenCV China (for his contribution to function CameraName and frame width/height setting)
// Last modification: April 9 2009
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// 使用说明:
// 1. 将CameraDS.h CameraDS.cpp以及目录DirectShow复制到你的项目中
// 2. 菜单 Project->Settings->Settings for:(All configurations)->C/C++->Category(Preprocessor)->Additional include directories
// 设置为 DirectShow/Include
// 3. 菜单 Project->Settings->Settings for:(All configurations)->link->Category(Input)->Additional library directories
// 设置为 DirectShow/Lib
//////////////////////////////////////////////////////////////////////
// CameraDS.cpp: implementation of the CCameraDS class.
//
//////////////////////////////////////////////////////////////////////
//#include “StdAfx.h“
#include “CameraDS.h“
#pragma comment(lib“Strmiids.lib“)
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CCameraDS::CCameraDS()
{
m_bConnected = false;
m_nWidth = 0;
m_nHeight = 0;
m_bLock = false;
m_bChanged = false;
m_pframe = NULL;
m_nBufferSize = 0;
m_pNullFilter = NULL;
m_pMediaEvent = NULL;
m_pSampleGrabberFilter = NULL;
m_pGraph = NULL;
CoInitialize(NULL);
}
CCameraDS::~CCameraDS()
{
CloseCamera();
CoUninitialize();
}
void CCameraDS::CloseCamera()
{
if(m_bConnected)
m_pMediaControl->Stop();
m_pGraph = NULL;
m_pDeviceFilter = NULL;
m_pMediaControl = NULL;
m_pSampleGrabberFilter = NULL;
m_pSampleGrabber = NULL;
m_pGrabberInput = NULL;
m_pGrabberOutput = NULL;
m_pCameraOutput = NULL;
m_pMediaEvent = NULL;
m_pNullFilter = NULL;
m_pNullInputPin = NULL;
if (m_pframe)
cvReleaseImage(&m_pframe);
m_bConnected = false;
m_nWidth = 0;
m_nHeight = 0;
m_bLock = false;
m_bChanged = false;
m_nBufferSize = 0;
}
bool CCameraDS::OpenCamera(int nCamID bool bDisplayProperties int nWidth int nHeight)
{
HRESULT hr = S_OK;
CoInitialize(NULL);
// Create the Filter Graph Manager.
hr = CoCreateInstance(CLSID_FilterGraph NULL CLSCTX_INPROC
IID_IGraphBuilder (void **)&m_pGraph);
hr = CoCreateInstance(CLSID_SampleGrabber NULL CLSCTX_INPROC_SERVER
IID_IbaseFilter (LPVOID *)&m_pSampleGrabberFilter);
hr = m_pGraph->QueryInterface(IID_IMediaControl (void **) &m_pMediaControl);
hr = m_pGraph->QueryInterface(IID_IMediaEvent (void **) &m_pMediaEvent);
hr = CoCreateInstance(CLSID_NullRenderer NULL CLSCTX_INPROC_SERVER
IID_IbaseFilter (LPVOID*) &m_pNullFilter);
hr = m_pGraph->AddFilter(m_pNullFilter L“NullRende
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2017-02-09 14:05 StereoVision_Vedio_Read1 - Copy (3) - Copy\
目录 0 2017-02-08 14:16 StereoVision_Vedio_Read1 - Copy (3) - Copy\Debug\
文件 124416 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\Debug\StereoVision_Vedio_Read.exe
文件 2955740 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\Debug\StereoVision_Vedio_Read.ilk
文件 2993152 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\Debug\StereoVision_Vedio_Read.pdb
目录 0 2017-02-09 14:05 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\
文件 11607 2015-02-16 10:47 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\CameraDS.cpp
文件 3510 2015-02-16 10:48 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\CameraDS.h
文件 450 2015-02-16 10:47 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\CameraDS_Debug.props
文件 450 2015-02-16 10:47 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\CameraDS_Release.props
文件 67560 2015-10-06 08:37 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\CarData.txt
目录 0 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\
文件 84088 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\CL.read.1.tlog
文件 1874 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\CL.write.1.tlog
文件 426553 2017-02-01 13:27 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\CameraDS.obj
文件 2757 2017-02-01 13:27 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\StereoVision_Vedio_Read.Build.CppClean.log
文件 111 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\StereoVision_Vedio_Read.lastbuildstate
文件 2427 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\StereoVision_Vedio_Read.log
文件 1722 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\cl.command.1.tlog
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
文件 2 2017-02-09 13:30 StereoVision_Vedio_Read1 - Copy (3) - Copy\StereoVision_Vedio_Read\Debug\li
............此处省略27个文件信息
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