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August 15, 2021 19:37
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{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": 7, | |
"id": "cf254b68", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"# The user only specifies the input nodes and output heads.\n", | |
"import autokeras as ak\n", | |
"from keras.datasets import mnist\n", | |
"from autokeras import ImageClassifier" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 8, | |
"id": "b595e403", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"(x_train, y_train), (x_test, y_test) = mnist.load_data()\n", | |
"x_train = x_train.reshape(x_train.shape + (1,)) # (1,) denotes the channles which is 1 in this case\n", | |
"x_test = x_test.reshape(x_test.shape + (1,)) # (1,) denotes the channles which is 1 in this case" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"id": "9800df04", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"Trial 1 Complete [00h 35m 25s]\n", | |
"val_loss: 0.040560998022556305\n", | |
"\n", | |
"Best val_loss So Far: 0.040560998022556305\n", | |
"Total elapsed time: 00h 35m 25s\n", | |
"\n", | |
"Search: Running Trial #2\n", | |
"\n", | |
"Hyperparameter |Value |Best Value So Far \n", | |
"image_block_1/b...|resnet |vanilla \n", | |
"image_block_1/n...|True |True \n", | |
"image_block_1/a...|True |False \n", | |
"image_block_1/i...|True |None \n", | |
"image_block_1/i...|True |None \n", | |
"image_block_1/i...|0 |None \n", | |
"image_block_1/i...|0 |None \n", | |
"image_block_1/i...|0.1 |None \n", | |
"image_block_1/i...|0 |None \n", | |
"image_block_1/r...|False |None \n", | |
"image_block_1/r...|resnet50 |None \n", | |
"image_block_1/r...|True |None \n", | |
"classification_...|global_avg |flatten \n", | |
"classification_...|0 |0.5 \n", | |
"optimizer |adam |adam \n", | |
"learning_rate |0.001 |0.001 \n", | |
"\n", | |
"Epoch 1/1000\n", | |
" 128/1500 [=>............................] - ETA: 6:03:54 - loss: 1.3791 - accuracy: 0.5776" | |
] | |
} | |
], | |
"source": [ | |
"# Instantiate the ImageClassifier class\n", | |
"clf = ImageClassifier(num_classes=9)\n", | |
"# Fit the train set to the image classifier\n", | |
"clf.fit(x_train, y_train)\n", | |
"clf.final_fit(x_train, y_train, x_test, y_test, retrain=True)\n", | |
"# Summarize the results\n", | |
"y = clf.evaluate(x_test, y_test)\n", | |
"print(y * 100)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"id": "505e920d", | |
"metadata": {}, | |
"outputs": [], | |
"source": [] | |
} | |
], | |
"metadata": { | |
"environment": { | |
"name": "tf2-gpu.2-3.m76", | |
"type": "gcloud", | |
"uri": "gcr.io/deeplearning-platform-release/tf2-gpu.2-3:m76" | |
}, | |
"kernelspec": { | |
"display_name": "Python [conda env:root] *", | |
"language": "python", | |
"name": "conda-root-py" | |
}, | |
"language_info": { | |
"codemirror_mode": { | |
"name": "ipython", | |
"version": 3 | |
}, | |
"file_extension": ".py", | |
"mimetype": "text/x-python", | |
"name": "python", | |
"nbconvert_exporter": "python", | |
"pygments_lexer": "ipython3", | |
"version": "3.7.10" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 5 | |
} |
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