运行sudo apt-get update时会出现以下错误:
Reading package lists... Error!
W: The repository 'http://ppa.launchpad.net/gijzelaar/opencv2.3/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See
我是Linux和OpenCV的新手,我把我的ubuntu16.04升级到了ImportError: No module named 'cv2'
当我尝试安装OpenCV时,我得到python-opencv is already the newest version (2.4.9.1+dfsg-1.5ubuntu1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
我需要一些帮助将cpp文件转换为mex文件。我得到的错误如下:
fatal error: opencv2/core/core.hpp: No such file or directory
Compilation terminated
cpp文件使用opencv头文件。我不知道如何将Matlab与Ubuntu中的opencv连接起来。我看到了这个链接
但是它适用于Windows,我不知道Ubuntu在哪里存储opencv。有几个地方我找到了opencv文件夹
usr/local/include/opencv和usr/local/include/OpenCv 2和usr/local/share
我开发了一个在windows上使用opencv opencv 2.4.9进行人脸检测的项目。现在我必须在ubuntu机器上运行这个罐子。我失败了。
Caused by: java.lang.UnsatisfiedLinkError: no opencv_java249 in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1889)
at java.lang.Runtime.loadLibrary0(Runtime.java:849)
at java.
我在这里的官方opencv发行版中安装Ubuntu18.04LTS中的OpenCV for Python
在创建构建目录并输入cmake ../之后,当我输入命令make时,会出现以下错误--之前我在Windows上使用过OpenCV。我是Ubuntu的新手。请帮帮忙。
In file included from /home/avi/opencv/modules/core/test/test_precomp.hpp:12:0,
from /home/avi/opencv/build/modules/core/opencv_test_core_pch_dephe
我尝试在C++ (VSCode)中使用OpenCV库,所以我有#include <opencv4/opencv2/imgproc/imgproc.hpp>语句。然而,当我尝试在Ubuntu中使用gcc进行编译时,我得到了以下错误信息: /usr/local/include/opencv4/opencv2/imgproc/imgproc.hpp:48:10: fatal error: opencv2/imgproc.hpp: No such file or directory
#include "opencv2/imgproc.hpp" 我是C++和Ubuntu的
我正在尝试将pyopencv安装到使用--no-site-packages选项创建的virtualenv:
pip install pyopencv
但我在Ubuntu 10.04.3上得到以下错误:
CMake Error at CMakeLists.txt:186 (find_package):
Could not find a configuration file for package OpenCV.
Set OpenCV_DIR to the directory containing a CMake configuration file for
OpenCV. The file
我正在尝试用cmake编译OpenCV,但我一直收到以下错误。
[ 73%] Building CXX object src/highgui/CMakeFiles/highgui.dir/cvcap_ffmpeg.o
In file included from /usr/include/libavutil/avutil.h:81:0,
from /usr/include/libavcodec/avcodec.h:30,
from /usr/include/libavformat/avformat.h:56,
from /vol/cruk/Packages/irtk_ubuntu1104/vdm
我正在尝试用ubuntu14.04在一个OpenCV实例上编译EC2 3.1.0。
但是我记录了这个错误:
Scanning dependencies of target opencv_python2
[100%] Building CXX object modules/python2/CMakeFiles/opencv_python2.dir/__/src2/cv2.cpp.o
/home/ubuntu/opencv/modules/python/src2/cv2.cpp:6:20: fatal error: Python.h: No such file or directory
#i
当我在ubuntu16.10上使用opencv程序运行一个简单的Python3时,我得到了这个错误。
OpenCV Error: Unspecified error (The function is not implemented.
Rebuild the library with Windows, GTK+ 2.x or Carbon support. If you
are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then
re-run cmake or configure script) in cvShowIma
问题是,在较早版本的Ubuntu16.04和OpenCV 3.4 getMouseWheelDelta(标志)总是等于零,无论滚动轮方向。
在Ubuntu18.04和OpenCV 4上的新机器上,这个函数工作得很好,getMouseWheelDelta(标志)返回-1或1,这取决于滚动方向:
#include "opencv2/core.hpp"
#include <iostream>
using namespace std;
using namespace cv;
void on_mouse(int event, int x, int y, int flag,