Opencv_contrib Alternatives

opencv_contrib reviews and mentions

• [Question] How to find affine transformation between contours?
  1 project | /r/opencv | 15 Jul 2023

  I managed to use the cv2.ximgproc.ContourFitting in cpp instead of python with the help of the demo: https://github.com/opencv/opencv_contrib/blob/3.4.0/modules/ximgproc/samples/fourier_descriptors_demo.cpp

• I was Trying to install Opencv with Cuda in my TX2 NX- but facing this issue....., also i tried to install it through Nvidia SDK but got multimedia error.
  2 projects | /r/robotics | 17 May 2023
• how to fix failed to fetch error when installing OpenCV on raspberry pi?
  2 projects | /r/rasberrypi | 10 May 2023

  wget -O opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/4.1.0.zip

• Fix(WeChat_qrcode): Init nBytes after the count value is determined
  1 project | news.ycombinator.com | 24 Apr 2023
• [Bug] Can't compile OpenCV on Ubuntu 22.04 Nvidia 525.60.13 Cuda 12
  1 project | /r/opencv | 15 Dec 2022
• [Bug] Problem compiling OpenCV with CUDA support on Ubuntu
  1 project | /r/opencv | 13 Dec 2022

  The issue has been reported here: https://github.com/opencv/opencv_contrib/issues/3390

• TrackerCSRT source code
  2 projects | /r/computervision | 21 Nov 2022
• Docker multi-architecture, .NET 6.0 and OpenCVSharp
  6 projects | dev.to | 17 May 2022

  FROM debian:bullseye-slim AS build-native-env ARG TARGETPLATFORM ENV DEBIAN_FRONTEND=noninteractive # 4.5.5: released 25 Dec 2021 ENV OPENCV_VERSION=4.5.5 # 4.5.3.20211228: released 28 Dec 2021 ENV OPENCVSHARP_VERSION=4.5.3.20211228 WORKDIR / # install dependencies required for building OpenCV and OpenCvSharpExtern RUN apt-get update && apt-get -y install --no-install-recommends \ # details omitted \ libgdiplus # Get OpenCV and opencv-contrib sources using the specified release. RUN wget https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip && \ unzip ${OPENCV_VERSION}.zip && \ rm ${OPENCV_VERSION}.zip && \ mv opencv-${OPENCV_VERSION} opencv RUN wget https://github.com/opencv/opencv_contrib/archive/${OPENCV_VERSION}.zip && \ unzip ${OPENCV_VERSION}.zip && \ rm ${OPENCV_VERSION}.zip && \ mv opencv_contrib-${OPENCV_VERSION} opencv_contrib # configure and build OpenCV optionally specifying architecture related cmake options. RUN if [ "$TARGETPLATFORM" = "linux/amd64" ]; then \ ADDITIONAL_FLAGS='' ; \ elif [ "$TARGETPLATFORM" = "linux/arm64" ]; then \ ADDITIONAL_FLAGS='-D ENABLE_NEON=ON -D CPU_BASELINE=NEON ' ; \ elif [ "$TARGETPLATFORM" = "linux/arm/v7" ]; then \ ADDITIONAL_FLAGS='-D CPU_BASELINE=NEON -D ENABLE_NEON=ON ' ; \ fi && cd opencv && mkdir build && cd build && \ cmake $ADDITIONAL_FLAGS \ # additional flags omitted for clarity \ && make -j$(nproc) \ && make install \ && ldconfig # Download OpenCvSharp to build OpenCvSharpExtern native library RUN git clone https://github.com/shimat/opencvsharp.git RUN cd opencvsharp && git fetch --all --tags --prune && git checkout ${OPENCVSHARP_VERSION} WORKDIR /opencvsharp/src RUN mkdir /opencvsharp/make \ && cd /opencvsharp/make \ && cmake -D CMAKE_INSTALL_PREFIX=/opencvsharp/make /opencvsharp/src \ && make -j$(nproc) \ && make install \ && cp /opencvsharp/make/OpenCvSharpExtern/libOpenCvSharpExtern.so /usr/lib/ \ && ldconfig # Copy the library and dependencies to /artifacts (to be used by images consuming this build) # cpld.sh will copy the library we specify (./libOpenCvSharpExtern.so) and any dependencies # to the /artifacts directory. This is useful for sharing the library with other images # consuming this build. # credits: Hemanth.HM -> https://h3manth.com/content/copying-shared-library-dependencies WORKDIR /opencvsharp/make/OpenCvSharpExtern COPY cpld.sh . RUN chmod +x cpld.sh && \ mkdir /artifacts && \ ./cpld.sh ./libOpenCvSharpExtern.so /artifacts/ RUN cp ./libOpenCvSharpExtern.so /artifacts/ # Publish the artefacts using a clean image FROM debian:bullseye-slim AS final RUN mkdir /artifacts COPY --from=build-native-env /artifacts/ /artifacts WORKDIR /artifacts

• [Question] Easiest way to detect ethnicity using OpenCV & C++?
  1 project | /r/opencv | 16 Jan 2022

  As the title implies, I'm looking for the simplest way to detect race/ethnicity in a photo (or a frame by frame video, shouldn't big a big difference) using OpenCV (I'm using the opencv-contrib build) and C++. I'm a complete beginner.

• HOWTO: Install OpenCV in Raspberry Pi OS (Buster)
  3 projects | /r/raspberry_pi | 21 Oct 2021

  git clone https://github.com/opencv/opencv.git git clone https://github.com/opencv/opencv_contrib.git mkdir ~/opencv/build cd ~/opencv/build

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