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视频—镜头切换检测,关键帧提取
检测视频中镜头切换的关键帧 检测镜头切换的基本思想是:对比视频中前后两帧灰度差,若两帧差值超过阈值,则说明视频中的镜头转换了,并把这一帧作为关键帧保存下来。 定义相应的指针和结构 初始化指针和结构 计算视频中前后两帧的灰度差 将两帧的灰度差值与阈值比较,超过阈值,则将其判定为关键帧保存 其中阈值大小根据视频的情况进行调整
- 2023-02-19 16:40:04下载
- 积分:1
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通过应用vc平台来实现摄像头图像采集,并详细过程
通过应用vc平台来实现摄像头图像采集,并详细过程-tell you how to realize video capturing
- 2023-02-02 08:10:03下载
- 积分:1
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视频处理中,镜头关键帧的主颜色的提取算法
视频处理中,镜头关键帧的主颜色的提取算法-video processing, the camera"s key frame extraction algorithm colors
- 2022-05-07 17:21:40下载
- 积分:1
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视频会议源代码
可商用的视频会议系统. 用户可以利用普通的PC机、标准的视频采集设备(USB摄像头或者视频头+视频采集卡)、耳机和麦克风,实现基于
Internet、广域网、局域网的虚拟会议。与传统的基于硬件的H.323解决方案相比,本系统是纯软件解决方案。用户无需投入高昂的硬件成本,本视频会议系统由服务器软件和客户端软件组成。
- 2022-03-02 20:50:32下载
- 积分:1
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demo supplied, is a modified version of the DirectX.Capture cl ass example writt...
The Videosav demo supplied, is a modified version of the DirectX.Capture class example
written by Brian Low. This example can be found at: http://www.codeproject.com/cs/media/directxcapture.asp
The Videosav demo should be usable right away.
-demo supplied, is a modified version of the DirectX.Capture cl ass example written by Brian Low. This example c an be found at : http :// www.codeproject.com/cs/media/directxca The Videosav pture.asp demo should be usable ri 86-108 away.
- 2022-01-24 16:19:08下载
- 积分:1
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vidéo surveillance
- 2022-03-17 21:44:41下载
- 积分:1
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一个的 DirectShow Sample ,根据amcap改编的。把样子变了一下,感觉还行。...
一个的 DirectShow Sample ,根据amcap改编的。把样子变了一下,感觉还行。-It is a DirectShow Sample adapted to amcap. i feel it is really a good one.
- 2022-02-04 05:24:30下载
- 积分:1
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opencv 的图像处理
BEGIN_MESSAGE_MAP (CImageProcessingDlg,CDialog)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
ON_BN_CLICKED (IDC_BINARY,& CImageProcessingDlg::OnBnClickedBinary)
ON_BN_CLICKED (IDC_GRAY,& CImageProcessingDlg::OnBnClickedGray)
ON_BN_CLICKED (IDC_EDGE,& CImageProcessingDlg::OnBnClickedEdge)
ON_BN_CLICKED (IDC_FACEDETECT,& CImageProcessingDlg::OnBnClickedFacedetect)
- 2022-04-13 16:53:04下载
- 积分:1
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SENTECH工业相机采集
SENTECH工业相机采集,VC++采集程序,并附有参数调节功能,主要的参数为,增益,曝光时间,白平衡。和存图功能。
- 2022-09-15 04:45:03下载
- 积分:1
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实验中发现opencv的cvCaptureFromCAM 使用的是vfw,采用消息机制,速度较慢,测试发现fps只有 9
实验中发现opencv的cvCaptureFromCAM 使用的是vfw,采用消息机制,速度较慢,测试发现fps只有 9-12左右,太慢了. 发现经过使用directshow后速度提升到60帧/s.在opencv group上了解到这是一个普遍问题,也许有人做过转换,却没有完整的例子与代码.在此贴出.对希望提高opencv视频分析速度的有所帮助-Opencv experiment found that the cvCaptureFromCAM using vfw, the use of information mechanism to slow fps test found that only about 9-12, too slow. Discovered through the use of DirectShow velocity to 60/s. In opencv group understanding that this is a common problem, perhaps someone has done the conversion, but no complete examples and code.此贴out in. opencv want to improve the speed of video analysis help
- 2022-01-26 01:15:02下载
- 积分:1