VideoIo

OpenCV——释放时错误[SourceReaderCB::~SourceReaderCB terminating async callback]解决方案

问题描述报错如下：[WARN:1]globalC:\projects\opencv-python\opencv\modules\videoio\src\cap_msmf.cpp(674)SourceReaderCB
STZG·2020-08-04 23:08

vs13 opencv3.0 人脸检测

cpp/facedetect.cpp下更改而来#include"opencv2/objdetect.hpp"#include"opencv2/imgcodecs.hpp"#include"opencv2/videoio.hpp
Icoding_F2014·2020-08-02 18:32

Java(opencv) 窗体打开摄像头

整个程序下载地址：Java(opencv)窗体打开摄像头，并做一个灰度话处理，以后有关图像处理的和opencv的没有太大的区别在testVideo项目下创建VideoIO包，包下新建ShowVideo.java
spw_1201·2020-08-01 00:36

ippicv_2019_win_intel64_20180723_general.zip opencv_videoio_ffmpeg_64.dll opencv_videoio_ffmpeg.dll

ippicv_2019_win_intel64_20180723_general.zipopencv_videoio_ffmpeg_64.dllopencv_videoio_ffmpeg.dll联网下载失败导致
Eternal_ni·2020-07-28 06:07

QT添加动态库

laddlinklibraryLIBS+=-L/usr/local/opencv-3.4/lib-lopencv_core-lopencv_highgui-lopencv_imgproc-lopencv_video-lopencv_videoio-lopencv_imgcodecsLIBS
Wite_Chen·2020-07-27 17:56

opencv单目相机标定(源码+讲解)

include"opencv2/imgproc.hpp"#include"opencv2/calib3d.hpp"#include"opencv2/imgcodecs.hpp"#include"opencv2/videoio.hpp
三维视觉工作室·2020-07-15 06:02

OpenCV获取Usb相机视频流

上摄像头设备节点为/dev/video1，所VideoCapture传入参数为201三、关于属性可以查找以下链接：https://docs.opencv.org/3.2.0/d4/d15/group__videoio
z_muyangren·2020-07-12 19:00

openCV 播放视频文件

include"opencv2/core.hpp"#include"opencv2/highgui.hpp"#include"opencv2/imgproc.hpp"#include"opencv2/videoio.hpp"usingnamespacestd
SongYuLong的博客·2020-07-12 03:07

jetson测试多个CSI摄像头（python版）

linano@jetson-nano$:python3mpy-Copyl.py[WARN:0]qlobal/home/nvidia/host/buildopencv/nvopencv/modules/videoio
雅典没有娜·2020-07-11 20:24

使用OpenCV采集摄像头的视频并保存为文件

OpenCV的VideoCapture功能强大，它封装了各种不同的API，见videoio.hppenumVideoCaptureAPIs{CAP_ANY=0,//!
qiuchangyong·2020-07-11 14:38

JETSON: cap_streamer.cpp () handleMessage OpenCV | GStreamer warning: Embedded video playback halted

[WARN:0]global/home/nvidia/opencv/modules/videoio/src/cap_gstreamer.cpp(935)openOpenCV|GStreamerwarning
pkuyjxu·2020-07-11 14:44

OpenCV学习笔记02: 剖析cv::createTrackbar()及回调函数的用法

#include//highgui.hpp中已经包含了core.hpp,imgcodecs.hpp,videoio.hpp头文件#include//imgproc.hpp已经包含了core.hpp头文件
l1216766050·2020-07-11 10:06

opencv-4.2.0和扩展模块opencv-contribe4.2 、opencv_videoio_ffmpeg_64 、ade_ffmpeg、ippicv等百度网盘下载链接

##opencv-4.2.0-vc14_vc15和扩展模块opencv—contribe4.2版本ade_ffmpeg_ippicv_ippiw百度网盘下载链接本人从官网下载opencv4.2和其配套的扩展模块，速度实在不敢恭维啊，千辛万苦下载下来之后，就告诉自己一定要让更多的人可以不把时间浪费在opencv工具下载上，这里0积分给大家，希望可以帮到你。包括使用cmake安装过程中容易出现的下载源
Smile@IT小女子·2020-07-11 07:27

Ubuntu 14.04编译opencv_videoio.dir/src/cap_gstreamer.cpp报错

编译opencv的过程中，一开始都一帆风顺，不过后来遇到了以下问题：[49%]BuildingCXXobjectmodules/videoio/CMakeFiles/opencv_video
leon1741·2020-07-10 22:11

opencv学习笔记（一） 使用opencv进行拍照

*;importorg.opencv.imgcodecs.Imgcodecs;importorg.opencv.videoio.VideoCapture;publicclassTakePh
Hugo5332·2020-07-10 20:53

opencv 编译“FFMPEG: Download failed”解决办法

在编译OpenCV源码过程中，需要下载第三方依赖包，由于种种原因，无法下载，导致编译中止错误类型如下：FFMPEG:Download:opencv_videoio_ffmpeg.dllTry1failedCMakeWarningatcmake
[email protected]·2020-07-09 21:54

opencv3_java 启动摄像头 VideoCapture Videoio

启动摄像头VideoCaptureVideoiopackageopencv_java_demo;importjavax.swing.JFrame;importjavax.swing.JPanel;importjavax.swing.WindowConstants;importjava.awt.*;importjava.awt.image.BufferedImage;importorg.opencv
橘子派·2020-07-08 05:10

HEVC学习：HM-10.1-dev代码分析之TLibVideoIO库

视频文件数据的操作是HEVC编解码中最基本的操作过程之一，也是学习、分析、理解和调试HM代码的重要一环，下面来分析一下VideoIO库的基本操作
zhuyonghao123·2020-07-06 13:58

ubuntu18.04安装配置opencv3.3.0（完全安装）

出现的错误，例如：modules/videoio/CMakeFiles/opencv_videoio.dir/build.make:261:reci
二十马赫·2020-07-05 03:55

Ubuntu 编译opencv出错：‘GstMiniObjectClass’ does not name a type 解决方法

具体出现问题的编译报错信息如下：[45%]BuildingCXXobjectmodules/videoio/CMakeFiles/opencv_v
Jd·2020-07-04 19:30

opencv 之videoio

官网videoio的教程。
JeffTech·2020-06-30 09:12

该死的编码问题:OpenCV(3.4.5) Error: Assertion failed (!_src.empty()) in cv::cvtColor, file E:\opencvBuil......

#include"opencv2/imgproc.hpp"#include"opencv2/videoio.hpp"#include"opencv2/highgui.hpp"#include"opencv2
Wayne_Dream·2020-06-25 18:56

修改opencv3.4 VideoCapture dshow模块以支持圆刚cv710等需要配置CrossBar的采集卡

以圆刚cv710卡为例：该卡hdmi采集要正常工作需要配置crossbar如下图的属性对opencv要做以下修改1，增加crossbar的属性配置项在videoio.hpp中增加配置crossbarInput
orc1979·2020-06-24 18:45

How to use the VideoIO API?

VideoIOFlash-basedaudioandvideocommunicationHome›Flash-VideoIOTutorialHowtousetheVideoIOAPI?TheVideoIOapplicationdefinesseveralproperties,someofwhichareread-writetocontrolthebehavior,andothersareread-
Java技术博文·2020-06-23 14:01

macOS Sierra下 ‘QTKit/QTKit.h’ file not found的解决方法文章

在升级过程中将原有的QTKit进行了更改,升级为AVKit我在网上也找了很多方法，但我试了都不行，直到看到这篇文章>但其实我的做法和他有些出入，首先，我在/Users/xxx/opencv/modules/videoio
Niceycb·2020-04-05 18:07

macOS Install OpenCV

makeinstallDownloadopencvhttp://opencv.org/downloads.html$mkdirrelease$cdrelease$cmake-DBUILD_opencv_videoio
Aieru·2020-02-24 09:24

OpenCV 4.x 版本介绍

受影响的模块有objdetection,photo,video,videoio,imgcodecs,calib3d。2.核心模块中的Persistenc
提着木剑走天下·2020-02-05 07:15

c++ 调用python传输图片实例

如下所示：#include#include#include"opencv2/imgcodecs.hpp"#include"opencv2/imgproc.hpp"#include"opencv2/videoio.hpp
ShellCollector·2019-12-12 10:37

ffmpeg或opencv以rtsp读取网络摄像头时,网络不通,程序持续等待或等待几十秒

ffmpeg或opencv以rtsp读取网络摄像头时,网络不通,程序持续等待或等待几十秒在OpenCV3.4.7的opencv\sources\modules\videoio\src\cap_ffmpeg_mpl.hpp
yangops·2019-10-15 11:22

JAVA使用opencv4.0调用海康摄像头RTSP流并在前台显示

importorg.opencv.core.Size;importorg.opencv.highgui.HighGui;importorg.opencv.imgproc.Imgproc;importorg.opencv.videoio.VideoCapture
leeking888·2019-02-28 15:43

OpenCV 3.4.1的一个bug

cv2.error:OpenCV(3.4.1)/Users/travis/build/skvark/opencv-python/opencv/modules/videoio/src/container_avi.cpp
cheerss·2018-10-31 15:36

OpenCV 3.4.1的一个bug

cv2.error:OpenCV(3.4.1)/Users/travis/build/skvark/opencv-python/opencv/modules/videoio/src/container_avi.cpp
cheerss·2018-10-31 15:36

【OpenCV】 OpenCV 索引(OpenCV Index)

OpensourceComputerVisionlibrary文章目录简介Intro模块core:核心数据结构和算法模块calib3d:CameraCalibrationand3DReconstruction模块videoio
鹅城惊喜师爷·2018-09-18 21:34

opencv 播放视频文件

视频播放和图片处理依赖的库有opencv_core341d.libopencv_highgui341d.libopencv_videoio341d
moyebaobei1·2018-08-16 17:40

opencv 读取摄像头数据

importorg.opencv.core.Core;importorg.opencv.core.Mat;importorg.opencv.highgui.HighGui;importorg.opencv.videoio.VideoCapture
zhoupinheng·2018-08-14 08:00

opencv 播放视频

importorg.opencv.core.Core;importorg.opencv.core.Mat;importorg.opencv.highgui.HighGui;importorg.opencv.videoio.VideoCapture
zhoupinheng·2018-08-14 08:00

opencv 播放视频

importorg.opencv.core.Core;importorg.opencv.core.Mat;importorg.opencv.highgui.HighGui;importorg.opencv.videoio.VideoCapture
zhoupinheng·2018-08-14 08:00

cv::imread(cv::String const&, int)’未定义的引用

在Makefile文件的195行LIBRARIES+=opencv_coreopencv_highguiopencv_imgproc后面添加：opencv_imgcodecsopencv_videoio
楚江枫·2018-07-17 16:51

使用开源库（OpenCV）实现视频的倒播

include"opencv2/core/ocl.hpp"#include"opencv2/video/tracking.hpp"#include"opencv2/imgproc.hpp"#include"opencv2/videoio.hpp
CHNIM·2018-06-27 13:31

opencv3之视频识别人脸并匹配

直接上代码#include#include#include#include#include"opencv2/objdetect.hpp"#include"opencv2/videoio.hpp"#include"opencv2
furuit·2018-03-23 20:24

opencv3之人脸识别匹配

#include#include#include#include#include"opencv2/objdetect.hpp"#include"opencv2/videoio.hpp"#include"opencv2
furuit·2018-03-23 19:35

CV2无法找到属性CV_CAP_PROP_FPS

比如3.2版本的，要参考下面的链接，https://docs.opencv.org/3.2.0/d4/d15/group__videoio__flags__bas
jgw2008·2018-02-12 14:53

OPENCV编译Videoio模块问题解决

在自己笔记本上编译未发现任何问题，但在公司电脑上，cmake过程中没有报错，编译却出现了videoIO模块怎么都编译不过去的现象，千辛万苦才找到解决方法：在opencv的源码文件cap_dshow.cpp
日有所进·2017-08-22 12:42

opencv3_java 启动摄像头 VideoCapture Videoio

启动摄像头VideoCaptureVideoiopackageopencv_java_demo; importjavax.swing.JFrame; importjavax.swing.JPanel; importjavax.swing.WindowConstants; importjava.awt.*; importjava.awt.image.BufferedImage; importo
sileixinhua·2017-05-30 17:00

BackgroundSubtractorKNN 背景建模

#include"opencv2/imgcodecs.hpp"#include"opencv2/imgproc.hpp"#include"opencv2/videoio.hpp"#include#include
龚慧林·2016-11-18 22:06

opencv mac macOS Sierra 报错 'QTKit/QTKit.h' file not found 解决记录

fatalerror:'QTKit/QTKit.h'filenotfound#import^1errorgenerated.make[2]:***[modulesideoio/CMakeFiles/opencv_videoio.dir
guhongzi·2016-11-06 19:57

图像处理与计算机视觉开源库汇总

图像，视频IO/Image,VideoIO
eternity1118_·2016-05-27 09:00

vs13 opencv3.0 人脸检测

facedetect.cpp下更改而来#include"opencv2/objdetect.hpp" #include"opencv2/imgcodecs.hpp" #include"opencv2/videoio.hpp
jmh1996·2016-05-07 17:00

Opencv 自带提取前景（背景建模）

读入视频（图片序列）->bei//opencv #include"opencv2/imgcodecs.hpp" #include"opencv2/imgproc.hpp" #include"opencv2/videoio.hpp
songzige·2016-03-17 21:00

opencv+Kinect2.0调用Visual Gesture Builder制作的动作

include"opencv2/core.hpp" #include"opencv2/imgproc.hpp" #include"opencv2/highgui.hpp" #include"opencv2/videoio.hpp
qq_22033759·2015-12-02 13:00
上一页 1 2 3 4 下一页
按字母分类： ABCDEFGHIJKLMNOPQRSTUVWXYZ其他