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| from tensorflow import keras | |
| # Define the parameters of the model | |
| model = keras.Sequential([ | |
| keras.layers.Flatten(input_shape=(1, nBands)), | |
| keras.layers.Dense(14, activation='relu'), | |
| keras.layers.Dense(2, activation='softmax')]) | |
| # Define the accuracy metrics and parameters | |
| model.compile(optimizer="adam", loss="sparse_categorical_crossentropy", metrics=["accuracy"]) |
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| # Normalise the data | |
| xTrain = xTrain / 255.0 | |
| xTest = xTest / 255.0 | |
| featuresHyderabad = featuresHyderabad / 255.0 | |
| # Reshape the data | |
| xTrain = xTrain.reshape((xTrain.shape[0], 1, xTrain.shape[1])) | |
| xTest = xTest.reshape((xTest.shape[0], 1, xTest.shape[1])) | |
| featuresHyderabad = featuresHyderabad.reshape((featuresHyderabad.shape[0], 1, featuresHyderabad.shape[1])) |
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| from sklearn.model_selection import train_test_split | |
| xTrain, xTest, yTrain, yTest = train_test_split(featuresBangalore, labelBangalore, test_size=0.4, random_state=42) | |
| print(xTrain.shape) | |
| print(yTrain.shape) | |
| print(xTest.shape) | |
| print(yTest.shape) |
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| from pyrsgis.convert import changeDimension | |
| featuresBangalore = changeDimension(featuresBangalore) | |
| labelBangalore = changeDimension (labelBangalore) | |
| featuresHyderabad = changeDimension(featuresHyderabad) | |
| nBands = featuresBangalore.shape[1] | |
| labelBangalore = (labelBangalore == 1).astype(int) | |
| print("Bangalore multispectral image shape: ", featuresBangalore.shape) | |
| print("Bangalore binary built-up image shape: ", labelBangalore.shape) |
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| print("Bangalore multispectral image shape: ", featuresBangalore.shape) | |
| print("Bangalore binary built-up image shape: ", labelBangalore.shape) | |
| print("Hyderabad multispectral image shape: ", featuresHyderabad.shape) |
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| import os | |
| from pyrsgis import raster | |
| os.chdir("E:\\yourDirectoryName") | |
| mxBangalore = 'l5_Bangalore2011_raw.tif' | |
| builtupBangalore = 'l5_Bangalore2011_builtup.tif' | |
| mxHyderabad = 'l5_Hyderabad2011_raw.tif' | |
| # Read the rasters as array | |
| ds1, featuresBangalore = raster.read(mxBangalore, bands='all') |
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