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facebook/dino-vitb16 DINO checkpoint.| Hyperparameter | Value |
|---|---|
| Cs | 10 |
| class_weight | |
| cv | StratifiedKFold(n_splits=5, random_state=1, shuffle=True) |
| dual | False |
| fit_intercept | True |
| intercept_scaling | 1.0 |
| l1_ratios | |
| max_iter | 100 |
| multi_class | auto |
| n_jobs | |
| penalty | l2 |
| random_state | 1 |
| refit | False |
| scoring | |
| solver | lbfgs |
| tol | 0.0001 |
| verbose | 0 |
| Metric | Value |
|---|---|
| accuracy | 0.97707 |
| f1 score | 0.97707 |
1from PIL import Image
2from skops import hub_utils
3import torch
4from transformers import AutoFeatureExtractor, AutoModel
5import pickle
6import os
7
8# load embedding model
9device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
10feature_extractor = AutoFeatureExtractor.from_pretrained('facebook/dino-vitb16')
11model = AutoModel.from_pretrained('facebook/dino-vitb16').eval().to(device)
12
13# load logistic regression
14os.mkdir('emb-gam-dino')
15hub_utils.download(repo_id='Ramos-Ramos/emb-gam-dino', dst='emb-gam-dino')
16
17with open('emb-gam-dino/model.pkl', 'rb') as file:
18 logistic_regression = pickle.load(file)
19
20# load image
21img = Image.open('examples/english_springer.png')
22
23# preprocess image
24inputs = {k: v.to(device) for k, v in feature_extractor(img, return_tensors='pt').items()}
25
26# extract patch embeddings
27with torch.no_grad():
28 patch_embeddings = model(**inputs).last_hidden_state[0, 1:].cpu()
29
30# classify
31pred = logistic_regression.predict(patch_embeddings.sum(dim=0, keepdim=True))
32
33# get patch contributions
34patch_contributions = logistic_regression.coef_ @ patch_embeddings.T.numpy()@article{singh2022emb,
title={Emb-GAM: an Interpretable and Efficient Predictor using Pre-trained Language Models},
author={Singh, Chandan and Gao, Jianfeng},
journal={arXiv preprint arXiv:2209.11799},
year={2022}
}