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   "source": [
    "# 6. Region properties exercises"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import pandas as pd\n",
    "import matplotlib.pyplot as plt\n",
    "import skimage\n",
    "import skimage.morphology"
   ]
  },
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   "cell_type": "markdown",
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   "source": [
    "1. Import the image from http://wiki.cmci.info/sampleimages/4color_cells.tif"
   ]
  },
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "2. Create a mask using the third channel"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "3. Create a labeled image of the mask"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "4. Measure the region properties using this labeled image and use the **fourth** channel as intensity image"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "5. Extract the ```mean_intensity``` property from the dictionary"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "6. Plot a histogram of these intensities"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "7. What do you observe in this histogram ? Plot the fourth channel and see if the histogram makes sense."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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