安装方式
# --- 树莓派直接安装
sudo apt install libopencv-dev python3-opencv
# 4.10版本
# GStreamer: YES (1.26.0)
# 或者
import cv2
print(cv2.__version__)
print(cv2.getBuildInformation())
版本效果
4.10.0
General configuration for OpenCV 4.10.0 =====================================
Version control: unknown
Extra modules:
Location (extra): <<PKGBUILDDIR>>/contrib/modules
Version control (extra): unknown
Platform:
Host: aarch64
CMake: 3.31.6
CMake generator: Ninja
CMake build tool: /usr/bin/ninja
Configuration: Release
CPU/HW features:
Baseline: NEON FP16
Dispatched code generation: NEON_DOTPROD NEON_FP16 NEON_BF16
requested: NEON_FP16 NEON_BF16 NEON_DOTPROD
NEON_DOTPROD (1 files): + NEON_DOTPROD
NEON_FP16 (2 files): + NEON_FP16
NEON_BF16 (0 files): + NEON_BF16
C/C++:
Built as dynamic libs?: YES
C++ standard: 11
C++ Compiler: /usr/bin/c++ (ver 14.2.0)
C++ flags (Release): -g -O2 -ffile-prefix-map=<<PKGBUILDDIR>>=. -fstack-pr otector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-prot ection=standard -Wdate-time -D_FORTIFY_SOURCE=2 -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-de clarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized - Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 - Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction -sections -fdata-sections -fvisibility=hidden -fvisibility-inlines-hidden -g -O2 -f file-prefix-map=<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -W format -Werror=format-security -mbranch-protection=standard -DNDEBUG
C++ flags (Debug): -g -O2 -ffile-prefix-map=<<PKGBUILDDIR>>=. -fstack-pr otector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-prot ection=standard -Wdate-time -D_FORTIFY_SOURCE=2 -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-de clarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized - Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 - Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction -sections -fdata-sections -fvisibility=hidden -fvisibility-inlines-hidden -g -DDEB UG -D_DEBUG
C Compiler: /usr/bin/cc
C flags (Release): -g -O2 -Werror=implicit-function-declaration -ffile-p refix-map=<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wdate-time -D_FORTIFY_SOURCE=2 -fsigned-char -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-se curity -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit- self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -W no-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction- sections -fdata-sections -fvisibility=hidden -g -O2 -Werror=implicit-function-decla ration -ffile-prefix-map=<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-prot ection -Wformat -Werror=format-security -mbranch-protection=standard -DNDEBUG
C flags (Debug): -g -O2 -Werror=implicit-function-declaration -ffile-p refix-map=<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wdate-time -D_FORTIFY_SOURCE=2 -fsigned-char -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-se curity -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit- self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -W no-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction- sections -fdata-sections -fvisibility=hidden -g -DDEBUG -D_DEBUG
Linker flags (Release): -Wl,-z,relro -Wl,-z,now -Wl,--gc-sections -Wl,--as-n eeded -Wl,--no-undefined -Wl,-z,relro -Wl,-z,now
Linker flags (Debug): -Wl,-z,relro -Wl,-z,now -Wl,--gc-sections -Wl,--as-n eeded -Wl,--no-undefined
ccache: NO
Precompiled headers: NO
Extra dependencies: dl m pthread rt
3rdparty dependencies:
OpenCV modules:
To be built: alphamat aruco bgsegm bioinspired calib3d ccalib core cvv datasets dnn dnn_objdetect dnn_superres dpm face features2d flann freetype fuzzy hdf hfs highgui img_hash imgcodecs imgproc intensity_transform java line_descriptor mc c ml objdetect optflow phase_unwrapping photo plot quality rapid reg rgbd saliency sha pe signal stereo stitching structured_light superres surface_matching text tracking vi deo videoio videostab viz wechat_qrcode ximgproc xobjdetect xphoto
Disabled: python3 world
Disabled by dependency: sfm
Unavailable: cannops cudaarithm cudabgsegm cudacodec cudafeatures2 d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev gapi julia matlab ovis python2 ts
Applications: apps
Documentation: doxygen python javadoc
Non-free algorithms: NO
GUI: QT5
QT: YES (ver 5.15.15 )
QT OpenGL support: YES (Qt5::OpenGL 5.15.15)
OpenGL support: YES (/usr/lib/aarch64-linux-gnu/libOpenGL.so /usr/lib /aarch64-linux-gnu/libGLX.so /usr/lib/aarch64-linux-gnu/libGLU.so)
VTK support: YES (ver 9.3.0)
Media I/O:
ZLib: /usr/lib/aarch64-linux-gnu/libz.so (ver 1.3.1)
JPEG: /usr/lib/aarch64-linux-gnu/libjpeg.so (ver 62)
WEBP: /usr/lib/aarch64-linux-gnu/libwebp.so (ver encoder: 0 x0210)
PNG: /usr/lib/aarch64-linux-gnu/libpng.so (ver 1.6.47)
TIFF: /usr/lib/aarch64-linux-gnu/libtiff.so (ver 42 / 4.5.1 )
JPEG 2000: OpenJPEG (ver 2.5.3)
OpenEXR: OpenEXR::OpenEXR (ver 3.1.11)
GDAL: YES (/usr/lib/aarch64-linux-gnu/libgdal.so)
GDCM: YES (3.0.24)
HDR: YES
SUNRASTER: YES
PXM: YES
PFM: YES
Video I/O:
DC1394: YES (2.2.6)
FFMPEG: YES
avcodec: YES (61.19.101)
avformat: YES (61.7.100)
avutil: YES (59.39.100)
swscale: YES (8.3.100)
avresample: NO
GStreamer: YES (1.26.0)
PvAPI: NO
v4l/v4l2: YES (linux/videodev2.h)
gPhoto2: YES
Parallel framework: TBB (ver 2022.0 interface 12140)
Trace: YES (built-in)
Other third-party libraries:
Lapack: YES (/usr/lib/aarch64-linux-gnu/liblapack.so /usr/lib /aarch64-linux-gnu/libblas.so)
Eigen: YES (ver 3.4.0)
Custom HAL: NO
Protobuf: /usr/lib/aarch64-linux-gnu/libprotobuf.so (3.21.12)
OpenCL: YES (no extra features)
Include path: /usr/include/CL
Link libraries: Dynamic load
Python (for build): /usr/bin/python3
Java:
ant: /usr/bin/ant (ver 1.10.15)
Java: NO
JNI: /usr/lib/jvm/default-java/include /usr/lib/jvm/defaul t-java/include/linux /usr/lib/jvm/default-java/include
Java wrappers: YES (ANT)
Java tests: NO
Install to: /usr
-----------------------------------------------------------------
编译安装方法
sudo apt install libopenblas-dev
sudo apt install libtbbmalloc2
sudo apt install libdc1394-dev
# 安装必要的依赖
sudo apt update
sudo apt install build-essential cmake git pkg-config libgtk-3-dev libavcodec-dev libavformat-dev libswscale-dev libv4l-dev libxvidcore-dev libx264-dev libjpeg-dev libpng-dev libtiff-dev gfortran openexr libopenblas-dev python3-dev python3-numpy libtbbmalloc2 libdc1394-dev
# 下载OpenCV和OpenCV_contrib的源码：
wget -O opencv-4.6.0.zip https://github.com/opencv/opencv/archive/refs/tags/4.6.0.zip
wget -O opencv_contrib-4.6.0.zip https://github.com/opencv/opencv_contrib/archive/refs/tags/4.6.0.zip
unzip opencv-4.6.0.zip
unzip opencv_contrib-4.6.0.zip
# opencv 可能需要 1.X 版本的 numpy ，树莓派 无法pip安装，
# apt安装也安装不到 1.x，暂时不安装
# sudo apt install python3-numpy
# 进入OpenCV目录并配置CMake：
cd opencv-4.6.0
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D INSTALL_C_EXAMPLES=ON \
-D INSTALL_PYTHON_EXAMPLES=ON \
-D OPENCV_GENERATE_PKGCONFIG=ON \
-D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-4.6.0/modules \
-D BUILD_EXAMPLES=ON ..
# 编译安装
make -j$(nproc)
sudo make install
sudo ldconfig
# 将OpenCV的Python绑定路径添加到 PYTHONPATH：
echo "export PYTHONPATH=/usr/local/lib/python3.13/site-packages:$PYTHONPATH" >> ~/.bashrc
source ~/.bashrc
# 验证OpenCV是否安装成功：
import cv2
print(cv2.__version__)
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