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image-compression
Commit a9bf04b8 authored by Bryce Hepner's avatar Bryce Hepner
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Modified in running, tests successful

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Showing with 293 additions and 81 deletions
Encoding_decoding.ipynb
View file @ a9bf04b8
......@@ -2,7 +2,7 @@
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"execution_count": 2,
"id": "14f74f21",
"metadata": {},
"outputs": [],
......@@ -24,7 +24,7 @@
},
{
"cell_type": "code",
"execution_count": 2,
"execution_count": 3,
"id": "c16af61f",
"metadata": {},
"outputs": [],
......@@ -77,7 +77,7 @@
},
{
"cell_type": "code",
"execution_count": 3,
"execution_count": 4,
"id": "53786325",
"metadata": {},
"outputs": [],
......@@ -153,7 +153,7 @@
},
{
"cell_type": "code",
"execution_count": 4,
"execution_count": 5,
"id": "6b965751",
"metadata": {},
"outputs": [],
......@@ -209,7 +209,7 @@
},
{
"cell_type": "code",
"execution_count": 5,
"execution_count": 6,
"id": "b7561883",
"metadata": {},
"outputs": [],
......@@ -318,7 +318,7 @@
},
{
"cell_type": "code",
"execution_count": 6,
"execution_count": 7,
"id": "2eb774d2",
"metadata": {},
"outputs": [],
......@@ -358,7 +358,7 @@
},
{
"cell_type": "code",
"execution_count": 7,
"execution_count": 8,
"id": "8eeb40d0",
"metadata": {},
"outputs": [],
......@@ -402,6 +402,9 @@
" # if it's the very first pixel on the image\n",
" if i == 0 and j == 0:\n",
" decode_matrix[i][j] = int(the_keys0[the_values0.index(encoded_matrix[i,j])])\n",
" print(encoded_matrix[i][j])\n",
" print(the_values0.index(encoded_matrix[i,j]))\n",
" print(int(the_keys0[the_values0.index(encoded_matrix[i,j])]))\n",
" # if it's on the boundary (any of the 4 edges)\n",
" elif i == 0 or i == decode_matrix.shape[0]-1 or j == 0 or j == decode_matrix.shape[1]-1:\n",
" decode_matrix[i][j] = int(the_keys0[the_values0.index(encoded_matrix[i,j])]) + decode_matrix[0][0]\n",
......@@ -442,7 +445,7 @@
},
{
"cell_type": "code",
"execution_count": 15,
"execution_count": 9,
"id": "f959fe93",
"metadata": {},
"outputs": [],
......@@ -506,7 +509,7 @@
},
{
"cell_type": "code",
"execution_count": 12,
"execution_count": 10,
"id": "3e0e9742",
"metadata": {},
"outputs": [
......@@ -514,6 +517,9 @@
"name": "stdout",
"output_type": "stream",
"text": [
"11100100000\n",
"499\n",
"22275\n",
"True\n",
"5\n"
]
......
SaveableEncoderDecoder.ipynb
View file @ a9bf04b8
This diff is collapsed.
compression_benchmark.ipynb
View file @ a9bf04b8
......@@ -2,7 +2,7 @@
"cells": [
{
"cell_type": "code",
"execution_count": 46,
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
......@@ -33,7 +33,7 @@
},
{
"cell_type": "code",
"execution_count": 47,
"execution_count": 3,
"metadata": {},
"outputs": [],
"source": [
......@@ -61,7 +61,7 @@
},
{
"cell_type": "code",
"execution_count": 48,
"execution_count": 4,
"metadata": {},
"outputs": [],
"source": [
......@@ -71,7 +71,7 @@
},
{
"cell_type": "code",
"execution_count": 49,
"execution_count": 5,
"metadata": {},
"outputs": [
{
......@@ -90,7 +90,7 @@
},
{
"cell_type": "code",
"execution_count": 50,
"execution_count": 6,
"metadata": {},
"outputs": [],
"source": [
......@@ -99,7 +99,7 @@
},
{
"cell_type": "code",
"execution_count": 51,
"execution_count": 7,
"metadata": {},
"outputs": [],
"source": [
......@@ -108,7 +108,7 @@
},
{
"cell_type": "code",
"execution_count": 52,
"execution_count": 8,
"metadata": {},
"outputs": [],
"source": [
......@@ -117,7 +117,7 @@
},
{
"cell_type": "code",
"execution_count": 53,
"execution_count": 9,
"metadata": {},
"outputs": [
{
......@@ -134,7 +134,7 @@
},
{
"cell_type": "code",
"execution_count": 54,
"execution_count": 10,
"metadata": {},
"outputs": [
{
......@@ -152,7 +152,7 @@
},
{
"cell_type": "code",
"execution_count": 55,
"execution_count": 11,
"metadata": {},
"outputs": [],
"source": [
......@@ -161,7 +161,7 @@
},
{
"cell_type": "code",
"execution_count": 56,
"execution_count": 12,
"metadata": {},
"outputs": [
{
......@@ -178,7 +178,7 @@
},
{
"cell_type": "code",
"execution_count": 57,
"execution_count": 13,
"metadata": {},
"outputs": [
{
......@@ -196,7 +196,7 @@
},
{
"cell_type": "code",
"execution_count": 58,
"execution_count": 14,
"metadata": {},
"outputs": [
{
......@@ -213,35 +213,46 @@
},
{
"cell_type": "code",
"execution_count": 64,
"execution_count": 15,
"metadata": {},
"outputs": [],
"source": [
"from PIL import TiffTags\n",
"TiffTags.LIBTIFF_CORE.add(317)\n",
"TiffTags.LIBTIFF_CORE.add(318)\n",
"picture.save('Compressed_Round_2.tiff', compression='tiff_lzw', tiffinfo={317: 2})"
]
},
{
"cell_type": "code",
"execution_count": 65,
"execution_count": 16,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"404176\n"
"404176\n",
"True\n"
]
},
{
"name": "stderr",
"output_type": "stream",
"text": [
"/home/bryce/.local/lib/python3.8/site-packages/PIL/TiffImagePlugin.py:845: UserWarning: Truncated File Read\n",
" warnings.warn(str(msg))\n"
]
}
],
"source": [
"print(os.path.getsize('Compressed_Round_2.tiff'))"
"print(os.path.getsize('Compressed_Round_2.tiff'))\n",
"potentially_compressed = Image.open('Compressed_Round_2.tiff')\n",
"print(np.allclose(picture,potentially_compressed))"
]
},
{
"cell_type": "code",
"execution_count": 66,
"execution_count": 16,
"metadata": {},
"outputs": [
{
......@@ -274,14 +285,14 @@
},
{
"cell_type": "code",
"execution_count": 71,
"execution_count": 17,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"<PIL.TiffImagePlugin.TiffImageFile image mode=I;16B size=640x513 at 0x7F3520192160>\n"
"(640, 513)\n"
]
}
],
......@@ -295,7 +306,7 @@
},
{
"cell_type": "code",
"execution_count": 68,
"execution_count": 18,
"metadata": {},
"outputs": [],
"source": [
......@@ -304,7 +315,7 @@
},
{
"cell_type": "code",
"execution_count": 72,
"execution_count": 19,
"metadata": {},
"outputs": [
{
......@@ -337,7 +348,7 @@
},
{
"cell_type": "code",
"execution_count": 98,
"execution_count": 20,
"metadata": {},
"outputs": [],
"source": [
......@@ -346,7 +357,7 @@
},
{
"cell_type": "code",
"execution_count": 113,
"execution_count": 21,
"metadata": {},
"outputs": [
{
......@@ -373,7 +384,7 @@
},
{
"cell_type": "code",
"execution_count": 109,
"execution_count": 22,
"metadata": {},
"outputs": [],
"source": [
......@@ -383,7 +394,7 @@
},
{
"cell_type": "code",
"execution_count": 111,
"execution_count": 23,
"metadata": {},
"outputs": [],
"source": [
......@@ -392,24 +403,24 @@
},
{
"cell_type": "code",
"execution_count": 114,
"execution_count": 24,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"0.31142564558267916\n"
"0.6885743544173208\n"
]
}
],
"source": [
"print((oldsize-thirdsize)/oldsize)"
"print((thirdsize)/oldsize)"
]
},
{
"cell_type": "code",
"execution_count": 115,
"execution_count": 25,
"metadata": {},
"outputs": [
{
......@@ -418,7 +429,7 @@
"452578"
]
},
"execution_count": 115,
"execution_count": 25,
"metadata": {},
"output_type": "execute_result"
}
......@@ -429,20 +440,9 @@
},
{
"cell_type": "code",
"execution_count": 116,
"execution_count": null,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"112"
]
},
"execution_count": 116,
"metadata": {},
"output_type": "execute_result"
}
],
"outputs": [],
"source": []
},
{
......
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