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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
- 2022-07-16 07:04:03下载
- 积分：1
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功能：
(1)读取给定的若干视频文件，提取帧率，并按照分钟为单位将视频保存为连续的多幅图像。如：帧率为25fps的话，则每分钟存储25幅图像，分钟的序号作为...
功能：
(1)读取给定的若干视频文件，提取帧率，并按照分钟为单位将视频保存为连续的多幅图像。如：帧率为25fps的话，则每分钟存储25幅图像，分钟的序号作为不同文件夹名称。
(2)对第i分钟的图像序列，随机选取其中的n幅(n为随机输入变量，不同的i对应的n也不同，显然n
- 2023-01-04 11:15:04下载
- 积分：1
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运动检测的源代码
Motion Detection Delphi Source Code
- 2023-05-23 11:10:04下载
- 积分：1
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基于VFW（Video for Windows），视频采集、压缩的影响，…
基于vfw（video for windows），实现视频捕捉，影响压缩，影响播放-Based on the vfw (video for windows), video capture, the impact of compression, impact player
- 2022-08-17 07:43:30下载
- 积分：1
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USB视频捕捉程序（software:labview）
provide simple uses of the webcam library are included in the zip file.
Once the library has been installed, the examples can be accessed through the user menu
on the function palette in LabVIEW. The examples demonstrate the following:
• Single shot image capture and display
• Continuous image capture and display
• Single shot image capture, processing, and display
• Continuous image capture, processing, and display
Keep in mind that the National Instruments Vision for G toolkit is required to run
examples that perform image processing.
- 2022-02-05 19:13:28下载
- 积分：1
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另外一个利用vb进行采集的例子
另外一个利用vb进行采集的例子-another use vb for example Acquisition
- 2022-06-02 09:02:36下载
- 积分：1
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jmf architecture camera photography source, used in the research study jmf frame...
jmf架构摄像头拍照的源程序，使用于初学者研究学习jmf框架。-jmf architecture camera photography source, used in the research study jmf framework for beginners.
- 2022-08-11 13:38:38下载
- 积分：1
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from a video camera captured images of the procedure. The need to rely on MS Pla...
一个从摄像头捕获视频图像的程序。需要依赖MS Platform SDK 和DirectX 9.0 SDK 。支持各种类型的摄像头。-from a video camera captured images of the procedure. The need to rely on MS Platform SDK and DirectX 9.0 SDK. Supports all types of camera.
- 2022-03-18 05:17:00下载
- 积分：1
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方便需要下载FLV视频的朋友,超小的flv真实地址探测工具
方便需要下载FLV视频的朋友,超小的flv真实地址探测工具-Easy to download FLV video, friends, the real address of the ultra-small flv detection tools
- 2022-01-26 00:36:47下载
- 积分：1
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tvideograbber是一个视频捕捉组件，可以实现视频功能…
TVideoGrabber is a video capture component that lets you implement video features in your project. Major features include motion detection, network live streaming, graphics overlay, video player, DV time stamps, and much more
- 2022-11-18 22:20:03下载
- 积分：1
