opencv_webcam/tutorial.ipynb

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   "source": [
    "<a align=\"center\" href=\"https://gitee.com/CV_Lab/opencv_webcam\" target=\"_blank\" alt=\"Simple Icons\" >\n",
    "<img src=\"https://gitee.com/CV_Lab/opencv_webcam/attach_files/932349/download/%E7%81%AB%E7%AE%AD.svg\" width=64 height=64></a>\n",
    "\n",
    "<p>opencv-webcam-script v0.2（Jupyter版）</p>\n",
    "<p>创建人：曾逸夫</p>\n",
    "<p>创建时间：2022-01-02</p>"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "68e88aa6-99c8-42b9-a189-70e42e7e6460",
   "metadata": {},
   "source": [
    "<a href=\"https://pypi.org/project/opencv-webcam-script/0.2.0/\"><img src=\"https://img.shields.io/badge/PyPi-v0.2.0-brightgreen?logo=pypi\" alt=\"PyPi\" /></a>\n",
    "<a href=\"https://gitee.com/CV_Lab/opencv_webcam/releases/v0.2\"><img src=\"https://img.shields.io/badge/latest%20version-v0.2-green\" alt=\"Version\" /></a>\n",
    "<a href=\"https://hub.docker.com/r/zengdockerdocker/opencv-webcam-script\"><img src=\"https://img.shields.io/badge/docker-v0.2-blue?logo=docker\" alt=\"Docker\" /></a>\n",
    "<a href=\"https://gitee.com/CV_Lab/opencv_webcam/blob/master/tutorial.ipynb\"><img src=\"https://img.shields.io/badge/Jupyter-v0.2-orange?logo=jupyter\" alt=\"Docker\" /></a>\n",
    "<a href=\"https://gitee.com/CV_Lab/opencv_webcam/blob/master/LICENSE\"><img src=\"https://img.shields.io/badge/license-GPL--3.0-blue\" alt=\"License\" /></a>"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "5518d6e0-89ca-41d3-8be6-a3c76bc32709",
   "metadata": {},
   "source": [
    "## 安装"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f25bb221-dee2-499b-8879-f87ab35a9a60",
   "metadata": {},
   "source": [
    "### 克隆、安装依赖"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "89e07b19-7efa-4221-a220-f698b948cee2",
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   "source": [
    "# 首先手动创建虚拟环境\n",
    "# conda create -n ow python==3.8 # 虚拟环境名称为ow\n",
    "# conda activate ow # 激活虚拟环境\n",
    "!git clone https://gitee.com/CV_Lab/opencv_webcam.git  # 克隆\n",
    "%cd opencv_webcam\n",
    "%pip install -qr requirements.txt -U  # 安装"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b6bbf4a0-db17-4727-96f0-ba6370b7eae6",
   "metadata": {},
   "source": [
    "## 运行"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "58307de4-173b-46a9-b30d-c12cfe4a1de2",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# 常规调用\n",
    "!python opencv_webcam.py"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "f04eab9b-f7fc-42a0-a3df-6d546bcde5d9",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# 视频帧自动保存\n",
    "!python opencv_webcam.py -isasf"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "acaf3636-8f83-47af-8161-2614a24cf3cc",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# 每隔10帧保存一次帧\n",
    "!python opencv_webcam.py -isasf -fns 10"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "6b564768-4ea4-4081-a9e8-6799dd862ef8",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# 默认按a键捕获一帧\n",
    "!python opencv_webcam.py -ishsf"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "bbf16f8a-50fb-41f6-8c6d-31152ce29217",
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   "outputs": [],
   "source": [
    "# 设置z键为捕获键\n",
    "!python opencv_webcam.py -ishsf -fck z"
   ]
  },
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   "cell_type": "code",
   "execution_count": null,
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   "source": [
    "# 重塑宽度300 高度200\n",
    "# 自动版\n",
    "!python opencv_webcam.py -isasf -isrf -rf 300 200\n",
    "# 手动版\n",
    "!python opencv_webcam.py -ishsf -isrf -rf 300 200"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "17d4f042-bcf5-4040-9737-ce5b927c13b2",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 宽高缩放比为0.5\n",
    "# 自动版\n",
    "!python opencv_webcam.py -isasf -isrf -rrf 0.5\n",
    "# 手动版\n",
    "!python opencv_webcam.py -ishsf -isrf -rrf 0.5"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "46f48201-9608-4122-a0d0-ac226e46eaac",
   "metadata": {
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   "source": [
    "# 设置保存路径，默认保存路径为./WebcamFrame\n",
    "!python opencv_webcam.py -fsd custom_dir -isasf # 以自动版为例"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5b34e67f-0e25-43ff-aec1-ef3ed74f7fd8",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# 设置帧图片的前缀名称\n",
    "!python opencv_webcam.py -isasf -fnp webcam"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "387d62f8-5e9b-4141-8e90-3d2c13381d57",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 设置JPG质量为100，默认为95\n",
    "!python opencv_webcam.py -isasf -fss jpg -jq 100\n",
    "# 设置PNG质量为5，默认为3\n",
    "!python opencv_webcam.py -isasf -fss png -jq 5"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "7cc860c3-e8a0-4e65-95c1-123f84c21c09",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# 默认为p键\n",
    "!python opencv_webcam.py -p w\n",
    "# 按任意键继续"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "13f16a9e-cc3c-4b41-b23b-6383b36c5c16",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# 设置保存100帧\n",
    "!python opencv_webcam.py -isasf -afn 100"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "fcb03330-b662-4d49-b302-32c70ec40104",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# 查询脚本参数\n",
    "!python opencv_webcam.py --help"
   ]
  }
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