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Fix classifying the wrong image in FL duet_mnist #425

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Fix classifying the wrong image in FL duet_mnist #425

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29 changes: 22 additions & 7 deletions federated-learning/duet_mnist/MNIST_Syft_Data_Scientist.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -686,24 +686,39 @@
"import PIL.ImageOps \n",
"\n",
"import os\n",
"\n",
"transform = torchvision.transforms.ToTensor()\n",
"\n",
"\n",
"def image_to_tensor(im: PIL.Image.Image) -> torch.Tensor:\n",
" \"\"\"Converts given PIL.Image.Image object to torch.Tensor\n",
" \"\"\"\n",
" \n",
" im_transformed = transform(im)\n",
" im_transformed = im_transformed[0].clone().detach()\n",
" \n",
" return im_transformed\n",
"\n",
"\n",
"def classify_url_image(image_url):\n",
" filename = os.path.basename(image_url)\n",
" os.system(f'curl -O {image_url}')\n",
" im = Image.open(filename)\n",
" im = PIL.ImageOps.invert(im)\n",
"# im = im.resize((28,28), Image.ANTIALIAS)\n",
" im = im.resize((28,28), Image.ANTIALIAS)\n",
" im = im.convert('LA')\n",
" enhancer = ImageEnhance.Brightness(im)\n",
" im = enhancer.enhance(3)\n",
"\n",
" # convert the image to a torch.tensor to send it to the model for prediction \n",
" im_tensor = image_to_tensor(im)\n",
"\n",
" print(im.size)\n",
" fig = plt.figure()\n",
" plt.tight_layout()\n",
" plt.imshow(im, cmap=\"gray\", interpolation=\"none\")\n",
" \n",
" # classify local\n",
" class_num, preds = classify_local(image_1, local_model)\n",
" class_num, preds = classify_local(im_tensor, local_model)\n",
" print(f\"Prediction: {class_num}\")\n",
" print(preds)"
]
Expand All @@ -714,8 +729,8 @@
"metadata": {},
"outputs": [],
"source": [
"# image_url = \"https://raw.githubusercontent.com/kensanata/numbers/master/0018_CHXX/0/number-100.png\"\n",
"# classify_url_image(image_url)"
"image_url = \"https://raw.githubusercontent.com/kensanata/numbers/master/0018_CHXX/0/number-100.png\"\n",
"classify_url_image(image_url)"
]
},
{
Expand All @@ -728,7 +743,7 @@
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
Expand All @@ -742,7 +757,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.6.9"
"version": "3.9.7"
},
"pycharm": {
"stem_cell": {
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