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47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
""" Submit code specific to the kaggle challenge"""
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import os
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import torch
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from PIL import Image
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import numpy as np
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from predict import predict_img
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from unet import UNet
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# credits to https://stackoverflow.com/users/6076729/manuel-lagunas
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def rle_encode(mask_image):
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pixels = mask_image.flatten()
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# We avoid issues with '1' at the start or end (at the corners of
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# the original image) by setting those pixels to '0' explicitly.
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# We do not expect these to be non-zero for an accurate mask,
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# so this should not harm the score.
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pixels[0] = 0
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pixels[-1] = 0
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runs = np.where(pixels[1:] != pixels[:-1])[0] + 2
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runs[1::2] = runs[1::2] - runs[:-1:2]
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return runs
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def submit(net):
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"""Used for Kaggle submission: predicts and encode all test images"""
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dir = 'data/test/'
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device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
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N = len(list(os.listdir(dir)))
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with open('SUBMISSION.csv', 'a') as f:
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f.write('img,rle_mask\n')
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for index, i in enumerate(os.listdir(dir)):
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print('{}/{}'.format(index, N))
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img = Image.open(dir + i)
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mask = predict_img(net, img, device)
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enc = rle_encode(mask)
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f.write('{},{}\n'.format(i, ' '.join(map(str, enc))))
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if __name__ == '__main__':
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net = UNet(3, 1).cuda()
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net.load_state_dict(torch.load('MODEL.pth'))
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submit(net)
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