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remove Normalize as stats are grabbed automatically (#502)

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* remove Normalize

* clean
This commit is contained in:
Hamel Husain 2022-03-06 15:48:34 -08:00 committed by GitHub
parent a251aae293
commit 035016fb0c
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2 changed files with 8 additions and 10 deletions
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7
06_multicat.ipynb
View File

@ -1654,8 +1654,7 @@
" get_items=get_image_files,\n", " get_items=get_image_files,\n",
" get_y=get_ctr,\n", " get_y=get_ctr,\n",
" splitter=FuncSplitter(lambda o: o.parent.name=='13'),\n", " splitter=FuncSplitter(lambda o: o.parent.name=='13'),\n",
" batch_tfms=[*aug_transforms(size=(240,320)), \n", " batch_tfms=aug_transforms(size=(240,320)), \n",
" Normalize.from_stats(*imagenet_stats)]\n",
")" ")"
] ]
}, },
@ -2169,11 +2168,11 @@
"split_at_heading": true "split_at_heading": true
}, },
"kernelspec": { "kernelspec": {
"display_name": "Python 3", "display_name": "Python 3 (ipykernel)",
"language": "python", "language": "python",
"name": "python3" "name": "python3"
} }
}, },
"nbformat": 4, "nbformat": 4,
"nbformat_minor": 2 "nbformat_minor": 4
} }

11
clean/06_multicat.ipynb
View File

@ -326,7 +326,7 @@
"source": [ "source": [
"def binary_cross_entropy(inputs, targets):\n", "def binary_cross_entropy(inputs, targets):\n",
" inputs = inputs.sigmoid()\n", " inputs = inputs.sigmoid()\n",
" return -torch.where(targets==1, inputs, 1-inputs).log().mean()" " return -torch.where(targets==1, 1-inputs, inputs).log().mean()"
] ]
}, },
{ {
@ -534,8 +534,7 @@
" get_items=get_image_files,\n", " get_items=get_image_files,\n",
" get_y=get_ctr,\n", " get_y=get_ctr,\n",
" splitter=FuncSplitter(lambda o: o.parent.name=='13'),\n", " splitter=FuncSplitter(lambda o: o.parent.name=='13'),\n",
" batch_tfms=[*aug_transforms(size=(240,320)), \n", " batch_tfms=aug_transforms(size=(240,320)), \n",
" Normalize.from_stats(*imagenet_stats)]\n",
")" ")"
] ]
}, },
@ -682,7 +681,7 @@
"1. When is it okay to tune a hyperparameter on the validation set?\n", "1. When is it okay to tune a hyperparameter on the validation set?\n",
"1. How is `y_range` implemented in fastai? (See if you can implement it yourself and test it without peeking!)\n", "1. How is `y_range` implemented in fastai? (See if you can implement it yourself and test it without peeking!)\n",
"1. What is a regression problem? What loss function should you use for such a problem?\n", "1. What is a regression problem? What loss function should you use for such a problem?\n",
"1. What do you need to do to make sure the fastai library applies the same data augmentation to your inputs images and your target point coordinates?" "1. What do you need to do to make sure the fastai library applies the same data augmentation to your input images and your target point coordinates?"
] ]
}, },
{ {
@ -713,11 +712,11 @@
"split_at_heading": true "split_at_heading": true
}, },
"kernelspec": { "kernelspec": {
"display_name": "Python 3", "display_name": "Python 3 (ipykernel)",
"language": "python", "language": "python",
"name": "python3" "name": "python3"
} }
}, },
"nbformat": 4, "nbformat": 4,
"nbformat_minor": 2 "nbformat_minor": 4
} }