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macOSでopencv2.frameworkを使う

注意点

OpenCV 4.7.0時点の情報ですが、opencv2.frameworkを作成する環境に以下の制約があります。

• MacOS 10.15 or later
• Python 3.6 or later
• CMake 3.18.5/3.19.0 or later (make sure the cmake command is available on your PATH)
• Xcode 12.2 or later (and its command line tools)

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 CUDA Device Query (Runtime API) version (CUDART static linking)

Detected 1 CUDA Capable device(s)

Device 0: "Orin"
  CUDA Driver Version / Runtime Version          11.4 / 11.4
  CUDA Capability Major/Minor version number:    8.7
  Total amount of global memory:                 14486 MBytes (15189422080 bytes)
  (008) Multiprocessors, (128) CUDA Cores/MP:    1024 CUDA Cores

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environment

• Raspberry Pi 4 Model B/8GB
• 2022-09-22-raspios-buster-armhf.img.xz

setup

sudo apt update
sudo apt upgrade

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FROM ubuntu:22.04

ARG UID=1000
ARG GID=1000

# add new sudo user
ENV USERNAME vhs
ENV HOME /home/$USERNAME
RUN useradd -m $USERNAME && \
        echo "$USERNAME:$USERNAME" | chpasswd && \

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VPI Python APIを使ってみる

サンプルスクリプト

• グレースケール変換
  • convert https://docs.nvidia.com/vpi/python/build/vpi.Image.convert.html
• リサイズ
  • rescale https://docs.nvidia.com/vpi/python/build/vpi.Image.rescale.html#vpi.Image.rescale
• ヒストグラム平坦化
• eqhist

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FROM ubuntu:20.04

ARG GID=1000
ARG UID=1000

# add new sudo user
ENV USERNAME onnx
ENV HOME /home/$USERNAME
RUN groupadd -f -g ${GID} ${USERNAME}
RUN useradd -m $USERNAME -u ${UID} -g ${GID} && \

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FROM nvidia/cuda:11.1-cudnn8-devel-ubuntu20.04

ENV NVIDIA_VISIBLE_DEVICES ${NVIDIA_VISIBLE_DEVICES:-all}
ENV NVIDIA_DRIVER_CAPABILITIES ${NVIDIA_DRIVER_CAPABILITIES:+$NVIDIA_DRIVER_CAPABILITIES,}graphics

# add new sudo user
ENV USERNAME autoware
ENV HOME /home/$USERNAME
RUN useradd -m $USERNAME && \
        echo "$USERNAME:$USERNAME" | chpasswd && \

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clDeviceQuery Starting...

1 OpenCL Platforms found

 CL_PLATFORM_NAME: 	Apple
 CL_PLATFORM_VERSION: 	OpenCL 1.2 (Dec 21 2020 17:26:51)
OpenCL Device Info:

 1 devices found supporting OpenCL on: Apple

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XSOCK=/tmp/.X11-unix
XAUTH=/tmp/.docker.xauth
touch $XAUTH
xauth nlist $DISPLAY | sed -e 's/^..../ffff/' | xauth -f $XAUTH nmerge -

docker run --privileged --rm -it \
           --volume=$XSOCK:$XSOCK:rw \
           --volume=$XAUTH:$XAUTH:rw \
           --volume=/dev/bus/usb:/dev/bus/usb \
           --shm-size=1gb \

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FROM ubuntu:18.04

# add new sudo user
ENV USERNAME depthai
ENV HOME /home/$USERNAME
RUN useradd -m $USERNAME && \
        echo "$USERNAME:$USERNAME" | chpasswd && \
        usermod --shell /bin/bash $USERNAME && \
        usermod -aG sudo $USERNAME && \
        mkdir /etc/sudoers.d && \