Created
October 4, 2018 10:24
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dice coefficient
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| def dice_loss(input, target): | |
| smooth = 1. | |
| iflat = input.view(-1) | |
| tflat = target.view(-1) | |
| intersection = (iflat * tflat).sum() | |
| return 1 - ((2. * intersection + smooth) / | |
| (iflat.sum() + tflat.sum() + smooth)) |
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