Lecture 5 Image Crop & Blank image.ipynb

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   "cell_type": "markdown",
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   "metadata": {},
   "source": [
    "## Image Crop"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "cbc0622d",
   "metadata": {},
   "outputs": [],
   "source": [
    "import cv2"
   ]
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  {
   "cell_type": "code",
   "execution_count": 69,
   "id": "ad6883a2",
   "metadata": {},
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     "text": [
      "(500, 500, 3)\n"
     ]
    }
   ],
   "source": [
    "img = cv2.imread(\"festival.jpg\")\n",
    "img = cv2.resize(img , (500, 500))\n",
    "\n",
    "print(img.shape)\n",
    "\n",
    "crop_img = img[100:140 , 185:305]     #img[y1:y2  x1:x2]\n",
    "\n",
    "cv2.imshow(\"Rooshan\", img)\n",
    "cv2.imshow(\"crop image\", crop_img)\n",
    "cv2.waitKey(0)\n",
    "cv2.destroyAllWindows()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1f3390e7",
   "metadata": {},
   "source": [
    "## Blank Image Create"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "9592e561",
   "metadata": {},
   "outputs": [],
   "source": [
    "import cv2\n",
    "import numpy as np"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "6c23067d",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "(960, 960, 3)\n"
     ]
    }
   ],
   "source": [
    "img = cv2.imread(\"zeeshan_fareed.jpg\")\n",
    "print(img.shape)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "351d608c",
   "metadata": {},
   "outputs": [],
   "source": [
    "## blank/white image\n",
    "\n",
    "new_img = np.ones((500,500), np.uint8) * 255\n",
    "\n",
    "cv2.imshow(\"boy\",new_img)\n",
    "cv2.waitKey(0)\n",
    "cv2.destroyAllWindows()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "5dc5c178",
   "metadata": {},
   "outputs": [],
   "source": [
    "## black image\n",
    "\n",
    "new_img1 = np.zeros((500,500), np.uint8) * 255\n",
    "\n",
    "cv2.imshow(\"Boy\",new_img1)\n",
    "cv2.waitKey(0)\n",
    "cv2.destroyAllWindows()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "1a6099a7",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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