README.md

Automatically Adaptive Conformal Prediction

This is the official repository of the paper "Automatically Adaptive Conformal Prediction".

📊 Datasets

We used two datasets for our experiments: Polyp Dataset (train dataset and test dataset) and the Fire segmentation dataset

👨‍🍳 Prepare data

In order to run our different algorithms, data are expected to be stored as follow:

├── ...
└── data
   ├── polyp                 
   │   ├── train
   |   |   ├──   images
   |   |   └──   labels
   │   ├── val
   |   |   ├──   images
   |   |   └──   labels
   │   ├── res
   |   |   ├──   images
   |   |   └──   labels
   │   ├── cal
   |   |   ├──   images
   |   |   └──   labels
   │   └── test
   |       ├──   images
   |       └──   labels
   └── fire
       ├── train
       |   ├──   images
       |   └──   labels
       ├── ...
       
       └── test
           ├──   images
           └──   labels

🏃‍♀️Train model

The architecture as well as the trained weights for the PraNet model can be found here. So here we only need to train a UNet for the fire segmentation

$ python multiaccurate_cp/main.py train --ml-data-dir=data/fire/02_prepared_data --output-dir=data/fire/03_model_weights/unet

🔮 Semantic segmentation inference

For each model, the inference has to be run on the residual, calibration and test datasets

UNet inference

$ python multiaccurate_cp/main.py infer-unet --model-dir=data/fire/03_model_weights/unet --model-name=$MODEL_NAME --data-dir=data/fire/02_prepared_data --ml-set=$ML_SET --output-dir=data/fire/04_predictions/

PraNet inference

$ python multiaccurate_cp/main.py infer-polyp --data-dir=data/polyp/02_prepared_data --output-dir=data/polyp/04_predictions/ --model-dir=data/polyp/03_model_weights/pranet ml-set=$ML_SET

📌 Train embedding model

$ python multiaccurate_cp/main.py train-residual --ml-data-dir=data/$DATASET/02_prepared_data --probas-dir=data/$DATASET/04_predictions --output-dir=data/$DATASET/03_model_weights/resnet --model.resnet=resnet50 --model.model-input=image_and_probas --model.embedding-size=1024

📥 Inference residual

$ python multiaccurate_cp/main.py infer-residual --model-dir=data/$DATASET/03_model_weights/resnet --model-name=$MODEL_NAME --data-dir=data/$DATASET/02_prepared_data --pred-proba-dir=data/$DATASET/04_predictions --ml-set=$ML_SET

⚡ Theta optimization quickstart

from scipy.optimize import minimize

from multiaccurate_cp.utils.multiaccurate import J, J_prime

ALPHA = .1
N = len(cal_labels)

lambda_ridge = .01
optimal_theta = minimize(
    J, np.random.uniform(0, 1, RESNET_EMBEDDING_SIZE),
    method="SLSQP",
    args=(
        cal_labels,
        cal_pred_probas,
        cal_emb,
        ALPHA,
        N,
        regularization="ridge",
        lambda_ridge
    ), jac=J_prime,
    options={"disp": True, "maxiter": 1000}, tol=1e-10
)