UnsharpMasking.ipynb

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  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "view-in-github",
        "colab_type": "text"
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      "source": [
        "<a href=\"https://colab.research.google.com/github/lowolf25/Face_Recognition/blob/main/UnsharpMasking.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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      "source": [
        "# import library\n",
        "\n",
        "import cv2\n",
        "import numpy as np"
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "# load the image path\n",
        "input_image_path = '/content/th.jfif'"
      ],
      "metadata": {
        "id": "mi1A9MclEXTD"
      },
      "execution_count": 7,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "# read the image\n",
        "image = cv2.imread(input_image_path)"
      ],
      "metadata": {
        "id": "uj0xULIhErCA"
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      "execution_count": 8,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "# convert the image to grayscale\n",
        "gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)"
      ],
      "metadata": {
        "id": "SklQ8AZGE1BY"
      },
      "execution_count": 9,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "# apply gaussian blur to the grayscale image to create a blurred version of yr image\n",
        "\n",
        "blur_image = cv2.GaussianBlur(gray_image, (3,3), 0)"
      ],
      "metadata": {
        "id": "37MJTtYuFa_X"
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      "execution_count": 10,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "# calcuate the original substacting with blurred image\n",
        "detial_image = gray_image - blur_image"
      ],
      "metadata": {
        "id": "ZYz9BBNsFz23"
      },
      "execution_count": 11,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "# calculate the original adding with detial image\n",
        "sharpen_image = detial_image + gray_image\n"
      ],
      "metadata": {
        "id": "fTeJw1YKGBgc"
      },
      "execution_count": 12,
      "outputs": []
    },
    {
      "cell_type": "code",
      "source": [
        "cv2.imwrite('gray_image.jpg', gray_image)\n",
        "cv2.imwrite('blur_image.jpg', blur_image)\n",
        "cv2.imwrite('detial_image.jpg', detial_image)\n",
        "cv2.imwrite('sharpen_image.jpg', sharpen_image)"
      ],
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        "colab": {
          "base_uri": "https://localhost:8080/"
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        "outputId": "b97f2ac4-9a6f-48eb-85b1-3fc1c0a43efc"
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      "execution_count": 13,
      "outputs": [
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          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "True"
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          "metadata": {},
          "execution_count": 13
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