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added code for generating slide-level local features (of shape [M, np…
…atch, 384] where M = number of regions in the slide, and npatch = number of (256,256) patches in each region)
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data: | ||
query_dataset: | ||
test_dataset: | ||
batch_size: 256 | ||
image_size: 256 | ||
student: | ||
pretrained_weights: | ||
knn: | ||
nb_knn: [10, 20, 100, 200] | ||
temperature: 0.07 | ||
n_tries: 1 | ||
n_per_class_list: -1 | ||
output_dir: ./output | ||
speed: | ||
num_workers: 8 | ||
gather_on_cpu: false | ||
wandb: | ||
enable: false | ||
project: 'vision' | ||
username: 'vlfm' | ||
exp_name: 'knn' | ||
tags: ['${wandb.exp_name}', '${student.arch}'] | ||
dir: '/home/user' | ||
group: | ||
resume_id: |
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dino: | ||
head_bottleneck_dim: 384 | ||
train: | ||
centering: sinkhorn_knopp | ||
experiment_name: 'feature_extraction' | ||
inference: | ||
root_dir: '/data/pathology/projects/ais-cap/dataset/panda/hs2p/patches/otsu/${inference.region_size}/jpg' | ||
slide_list: | ||
level: local | ||
region_size: 2048 | ||
patch_size: 256 | ||
num_workers: 8 | ||
save_region_features: false | ||
student: | ||
arch: vit_small | ||
patch_size: 14 | ||
num_register_tokens: 0 | ||
pretrained_weights: '/data/pathology/projects/ais-cap/clement/code/dinov2/output/769naczt/eval/training_649999/teacher_checkpoint.pth' | ||
drop_path_rate: 0.4 | ||
ffn_layer: swiglufused | ||
block_chunks: 4 | ||
crops: | ||
global_crops_size: 224 | ||
local_crops_size: 98 | ||
wandb: | ||
enable: true | ||
project: 'hipt' | ||
username: 'clemsg' | ||
exp_name: '${train.experiment_name}' | ||
tags: ['${wandb.exp_name}', '${inference.level}', '${inference.region_size}', '${student.arch}'] | ||
dir: '/home/user' | ||
group: | ||
resume_id: |
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Original file line number | Diff line number | Diff line change |
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import torch | ||
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from einops import rearrange | ||
from pathlib import Path | ||
from torchvision import transforms | ||
from typing import Callable, Optional | ||
from torchvision.datasets.folder import default_loader | ||
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class SlideIDsDataset(torch.utils.data.Dataset): | ||
"""Dataset for iterating over slide IDs.""" | ||
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def __init__(self, slide_ids): | ||
""" | ||
Args: | ||
slide_ids (list of str): List of slide IDs. | ||
""" | ||
self.slide_ids = slide_ids | ||
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def __len__(self): | ||
return len(self.slide_ids) | ||
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def __getitem__(self, index): | ||
slide_id = self.slide_ids[index] | ||
return slide_id | ||
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class SlideRegionDataset(torch.utils.data.Dataset): | ||
def __init__( | ||
self, | ||
root_dir: Path, | ||
slide_id: str, | ||
fmt: str = "jpg", | ||
image_size: int = 256, | ||
loader: Callable = default_loader, | ||
transform: Optional[Callable] = None, | ||
): | ||
self.root_dir = root_dir | ||
self.slide_id = slide_id | ||
self.format = fmt | ||
self.image_size = image_size | ||
self.transform = transform | ||
self.loader = loader | ||
self.region_paths = self._find_region_paths() | ||
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def _find_region_paths(self): | ||
region_dir = Path(self.root_dir, self.slide_id, "imgs") | ||
sorted_region_paths = sorted([str(fp) for fp in region_dir.glob(f"*.{self.format}")]) | ||
return sorted_region_paths | ||
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def __len__(self): | ||
return len(self.region_paths) | ||
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def __getitem__(self, idx): | ||
region_path = self.region_paths[idx] | ||
region = self.loader(region_path) | ||
region = transforms.functional.to_tensor(region) # [3, region_size, region_size] | ||
region = region.unfold(1, self.image_size, self.image_size).unfold( | ||
2, self.image_size, self.image_size | ||
) # [3, npatch, npatch, image_size, image_size] | ||
region = rearrange(region, "c p1 p2 w h -> (p1 p2) c w h") # [num_patches, 3, image_size, image_size] | ||
if self.transform is not None: | ||
region = self.transform(region) | ||
return idx, region, region_path |
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