This repository contains contain code for Interpretable Image Recognition with Hierarchical Prototypes
|__ HPnet/ --> Directory with HPnet code
|__ saved_models_8protos1/ --> Directory with pre-trained HPnet model and saved prototype images & neighbors
|__ *.ipynb --> iPython notebooks for interpeting model prototypes & classifications, fitting and evaluating novel class detectors
|__*.py --> HPnet framework code
|__ vgg/ --> Directory with code for training vgg base model and evaluating accuracy according to hierarchical class organization in HPnet
- Python 3.6
- PyTorch 1.3
- torchvision 0.4.1
- SciPy 1.0.0
We perform experiments on a subset of ImageNet 2012 classes, described in detail in our paper. We treat 15 classes as in-distribution, and 15 as "novel" classes.
Our code assumes the directory structure
|__ datasets/ --> Directory with HPnet code
|__ Imagenet/ -->
|train --> 1250 train images per class
|valid --> 50 validation images per class
|test --> 50 test images per class
|OOD/ --> Folder for novel class data
|train --> 1250 train images per class
|valid --> 50 validation images per class
|test --> 50 test images per class
|OODall/ --> Folder for novel class accuracy evaluation (lacks train-val-test slit of OOD)
To train a new HPnet model using our class hierarchy, and assuming you have the train/val/test data collected and organized as above, run
cd HPnet
python main.py
To view and interpret model prototypes, which can be done without training a model using our provided images, use view_protos.ipynb and nearest_neighbors.ipynb.
For training and evaluate novel class detectors, see novel_class_detection.ipynb
For a case study of the model in action, see case_study.ipynb.
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