jupyter training
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main.ipynb
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main.ipynb
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requirements.txt
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requirements.txt
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import os
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import numpy as np
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import matplotlib.pyplot as plt
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import cv2 as cv
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import rasterio as rio
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RASTERS_DIR = './data/data/train_features'
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IMAGES_DIR = './images/'
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FC_DIR = "fc"
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def load_img(path, expand_dim=False):
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img = cv.imread(path)
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img = img / 255.0
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if expand_dim:
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img = np.expand_dims(img, axis=0)
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return img
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def create_folder(name, path):
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n = os.path.join(path, name)
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if not os.path.exists(n):
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os.makedirs(n)
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return n
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def scale(band):
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return band/np.max(band)
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def convert_raster_to_image(rasters_dir,
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rgb_path=None,
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false_color_path=None):
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b2 = scale(rio.open(rasters_dir+'/B02.tif').read().reshape(512, 512, 1))
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b3 = scale(rio.open(rasters_dir+'/B03.tif').read().reshape(512, 512, 1))
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b4 = scale(rio.open(rasters_dir+'/B04.tif').read().reshape(512, 512, 1))
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b8 = scale(rio.open(rasters_dir+'/B08.tif').read().reshape(512, 512, 1))
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file_name = rasters_dir.split(os.sep)[-1]
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rgb = np.dstack([b4, b3, b2])
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plt.imsave(fname=rgb_path + f'/{file_name}.jpeg',
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arr=rgb)
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fc = np.dstack([b8, b3, b2])
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plt.imsave(fname=false_color_path + f'/{file_name}.jpeg',
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arr=fc)
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def transform_photo(raster_dir):
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dp = create_folder(raster_dir, IMAGES_DIR)
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fc = create_folder(FC_DIR, dp)
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convert_raster_to_image(os.path.join(RASTERS_DIR, raster_dir), dp, fc)
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if __name__ == "__main__":
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for d in os.listdir(RASTERS_DIR):
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transform_photo(d)
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