colorspaces.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# ColorSpaces"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Splitting the Channels "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import cv2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "image = cv2.imread(\"sample_image.jpg\")\n",
    "cv2.imshow(\"Original\", image)\n",
    "cv2.waitKey(0)\n",
    "cv2.destroyAllWindows()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "(B, G, R) = cv2.split(image)\n",
    "cv2.imshow(\"Red\", R)\n",
    "cv2.imshow(\"Green\", G)\n",
    "cv2.imshow(\"Blue\", B)\n",
    "\n",
    "cv2.waitKey(0)\n",
    "cv2.destroyAllWindows()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Merging the Channels"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "merged = cv2.merge([B, G, R])\n",
    "cv2.imshow(\"Merged\", merged)\n",
    "\n",
    "cv2.waitKey(0)\n",
    "cv2.destroyAllWindows()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Displaying the images in the proper Individual Colors (Without GrayScale)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "zeros_array = np.zeros(image.shape[:2], dtype=\"uint8\")\n",
    "Red = cv2.merge([zeros_array, zeros_array, R])\n",
    "Green = cv2.merge([zeros_array, G, zeros_array])\n",
    "Blue = cv2.merge([B, zeros_array, zeros_array])\n",
    "cv2.imshow(\"Green Component\", Green)\n",
    "cv2.imshow(\"Blue Component\", Blue)\n",
    "cv2.imshow(\"Red Component\", Red)\n",
    "\n",
    "cv2.waitKey(0)\n",
    "cv2.destroyAllWindows()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Converting Image to different Colorspaces"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
    "gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)\n",
    "hsv_image = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)\n",
    "lab_image = cv2.cvtColor(image, cv2.COLOR_BGR2LAB)\n",
    "cv2.imshow(\"Gray\", gray_image)\n",
    "cv2.imshow(\"HSV\", hsv_image)\n",
    "cv2.imshow(\"LAB Image\", lab_image)\n",
    "\n",
    "cv2.waitKey(0)\n",
    "cv2.destroyAllWindows()"
   ]
  }
 ],
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