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July 6, 2022 00:48
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Show picture examples of DataLoader/Dataset images with masks
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| # example of train images with masks | |
| ds = HuBMAPDataset(transforms=augmentations) | |
| dl = DataLoader(ds, batch_size=bs, shuffle=False, num_workers=NUM_WORKERS) | |
| imgs, masks = next(iter(dl)) | |
| plt.figure(figsize=(16, 16)) | |
| for i, (img, mask) in enumerate(zip(imgs, masks)): | |
| img = ((img.permute(1, 2, 0) * std + mean) * 255.0).numpy().astype(np.uint8) | |
| plt.subplot(8, 8, i + 1) | |
| plt.imshow(img, vmin=0, vmax=255) | |
| plt.imshow(mask.squeeze().numpy(), alpha=0.2) | |
| plt.axis('off') | |
| plt.subplots_adjust(wspace=None, hspace=None) | |
| del ds, dl, imgs, masks |
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