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move workshop description and non-notebook materials to normal website

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notebooks/2_image_quantization.ipynb
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"metadata": {},
"source": [
"# Color Quantization using K-Means\n",
"In this notebook, we want to transform a regular RGB image (where each pixel is represented as a Red-Green-Blue triplet) into a [compressed representation](https://en.wikipedia.org/wiki/Color_quantization), where each pixel is represented as a single number (color index) together with a limited color palette (RGB triplets corresponding to the color indices). \n",
"In this notebook, we want to transform a regular [RGB image](https://en.wikipedia.org/wiki/RGB_color_model#Numeric_representations) (where each pixel is represented as a Red-Green-Blue triplet) into a [compressed representation](https://en.wikipedia.org/wiki/Color_quantization), where each pixel is represented as a single number (color index) together with a limited color palette (RGB triplets corresponding to the color indices). \n",
"\n",
"Example from Wikipedia (original image and after quantization):\n",
"<img src=\"https://upload.wikimedia.org/wikipedia/commons/e/e3/Dithering_example_undithered.png\" alt=\"\" /> <img src=\"https://upload.wikimedia.org/wikipedia/en/4/48/Dithering_example_undithered_16color_palette.png\" alt=\"\" />"