python安装opencv4.6.0
时间: 2023-12-04 18:31:38 浏览: 49
安装OpenCV 4.6.0的Python版本可以通过下面的步骤来完成:
1. 首先,确保你已经安装了Python。你可以在命令行中运行以下命令来检查Python的安装情况:
```
python --version
```
2. 接下来,你需要安装`opencv-python`这个包。你可以使用以下命令来安装:
```
pip install opencv-python==4.6.0
```
3. 安装完成后,你可以导入`cv2`模块并打印版本信息来验证安装是否成功。你可以使用以下代码来实现:
```python
import cv2
print(cv2.__version__)
```
如果输出结果是`4.6.0`,那么表示你已经成功安装了OpenCV 4.6.0的Python版本。
相关问题
centos7.9安装opencv4.6.0
安装OpenCV 4.6.0的步骤如下:
1. 安装依赖包
```
sudo yum install epel-release
sudo yum install cmake gcc gcc-c++ kernel-devel kernel-headers python3 python3-devel python3-pip \
gtk2-devel libpng-devel libjpeg-turbo-devel jasper-devel openexr-devel libtiff-devel libwebp-devel \
tbb-devel eigen3-devel gstreamer-plugins-base-devel ffmpeg-devel freeglut-devel mesa-libGL mesa-libGL-devel \
mesa-libGLU mesa-libGLU-devel libv4l-devel dc1394-devel libdc1394-devel libv4l2-devel libdc1394-22-devel
```
2. 下载OpenCV
```
wget -O opencv.zip https://github.com/opencv/opencv/archive/4.6.0.zip
wget -O opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/4.6.0.zip
unzip opencv.zip
unzip opencv_contrib.zip
mv opencv-4.6.0 opencv
mv opencv_contrib-4.6.0 opencv_contrib
```
3. 编译安装OpenCV
```
cd opencv
mkdir build && cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules \
-D PYTHON3_EXECUTABLE=$(which python3) \
-D PYTHON_INCLUDE_DIR=$(python3 -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") \
-D PYTHON3_INCLUDE_DIR=$(python3 -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") \
-D PYTHON3_PACKAGES_PATH=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") \
-D BUILD_opencv_python3=yes \
-D BUILD_opencv_python_bindings_generator=no \
-D WITH_CUDA=OFF \
-D WITH_TBB=ON \
-D WITH_V4L=ON \
-D WITH_OPENGL=ON \
-D BUILD_EXAMPLES=OFF \
-D BUILD_DOCS=OFF \
-D BUILD_PERF_TESTS=OFF \
-D BUILD_TESTS=OFF \
../
make -j4
sudo make install
sudo ldconfig
```
安装完成后,您可以通过以下命令检查OpenCV是否正常安装:
```
pkg-config --modversion opencv4
```
注:以上命令适用于CentOS 7.9系统。
ubuntu下安装opencv4.6.0,安装后测试opencv
好的,以下是在Ubuntu下安装OpenCV 4.6.0以及测试的步骤:
1. 安装依赖项
在终端中执行以下命令,安装OpenCV所需的依赖项:
```
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install build-essential cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
sudo apt-get install libgl1-mesa-dev libglu1-mesa-dev
sudo apt-get install libjpeg-dev libpng-dev libtiff-dev
sudo apt-get install libxvidcore-dev libx264-dev libxine2-dev libv4l-dev
sudo apt-get install libatlas-base-dev gfortran pylint
sudo apt-get install python3-dev python3-numpy python3-pip
```
2. 下载OpenCV 4.6.0
在终端中执行以下命令,下载OpenCV 4.6.0源代码:
```
cd ~
git clone https://github.com/opencv/opencv.git
cd opencv
git checkout 4.6.0
```
3. 编译和安装OpenCV 4.6.0
在终端中执行以下命令,编译和安装OpenCV 4.6.0:
```
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..
make -j$(nproc)
sudo make install
```
4. 测试OpenCV 4.6.0
在终端中执行以下命令,测试OpenCV 4.6.0是否安装成功:
```
python3
import cv2
print(cv2.__version__)
```
如果输出的版本号为4.6.0,则说明OpenCV 4.6.0已经成功安装。
希望这些步骤可以帮助你在Ubuntu上安装和测试OpenCV 4.6.0。
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