답변:
OpenCV의 개발 버전을 설치하기 전에이 코드를 사용하여 캡처 크기를 설정하는 것이 좋습니다 (포스트 링크에서 파이썬을 사용한다고 가정합니다).
import cv2
cap = cv2.VideoCapture(device_no)
cap.set(cv2.cv.CV_CAP_PROP_FRAME_WIDTH, width)
cap.set(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT, height)
opencv (3.0.0-dev 오늘)의 개발 버전을 설치하려면 다음 단계를 따르십시오.
cd $HOME
mkdir opencv_src
cd opencv_src/
git clone https://github.com/Itseez/opencv.git
cd opencv/
mkdir release
cd release/
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..
make
sudo make install
cd ~/.virtualenvs/cv/lib/python2.7/site-packages/ && ln -s /usr/local/lib/python2.7/site-packages/cv2.so cv2.so
스크립트는 아래에 언급되어 있으며 복사하여 실행하십시오.
sudo bash install_opencv.sh
여기 스크립트가 있습니다 ...
# KEEP UBUNTU OR DEBIAN UP TO DATE
sudo apt-get -y update
sudo apt-get -y upgrade
sudo apt-get -y dist-upgrade
sudo apt-get -y autoremove
#INSTALL THE DEPENDENCIES
# Build tools:
sudo apt-get install -y build-essential cmake
# GUI:
sudo apt-get install -y qt5-default libvtk6-dev
# Media I/O:
sudo apt-get install -y zlib1g-dev libjpeg-dev libwebp-dev libpng-
dev libtiff5-dev libjasper-dev libopenexr-dev libgdal-dev
# Video I/O:
sudo apt-get install -y libdc1394-22-dev libavcodec-dev libavformat-
dev libswscale-dev libtheora-dev libvorbis-dev libxvidcore-dev
libx264-dev yasm libopencore-amrnb-dev libopencore-amrwb-dev libv4l-
dev libxine2-dev
# Parallelism and linear algebra libraries:
sudo apt-get install -y libtbb-dev libeigen3-dev
# Python:
sudo apt-get install -y python-dev python-tk python-numpy python3-
dev python3-tk python3-numpy
# Java:
sudo apt-get install -y ant default-jdk
# Documentation:
sudo apt-get install -y doxygen
# INSTALL THE LIBRARY (YOU CAN CHANGE '3.0.0' FOR THE LAST STABLE
VERSION)
sudo apt-get install -y unzip wget
wget https://github.com/Itseez/opencv/archive/3.1.0.zip
unzip 3.1.0.zip
rm 3.1.0.zip
mv opencv-3.1.0 OpenCV1
cd OpenCV1
mkdir build
cd build
cmake -DWITH_QT=ON -DWITH_OPENGL=ON -DFORCE_VTK=ON -DWITH_TBB=ON -
DWITH_GDAL=ON -DWITH_XINE=ON -DBUILD_EXAMPLES=ON ..
make -j4
sudo make install
sudo ldconfig
# EXECUTE SOME OPENCV EXAMPLES AND COMPILE A DEMONSTRATION
# To complete this step, please visit
'http://milq.github.io/install-opencv-ubuntu-debian'.