Official code for the paper Your Classifier is Secretly an Energy Based Model and You Should Treat it Like One.
Includes scripts for training JEM (Joint-Energy Model), evaluating models at various tasks, and running adversarial attacks.
A pretrained model on CIFAR10 can be found here.
For more info on me and my work please checkout my website, twitter, or Google Scholar.
Many thanks to my amazing co-authors: Jackson (Kuan-Chieh) Wang, Jörn-Henrick Jacobsen, David Duvenaud, Mohammad Norouzi, and Kevin Swersky.
To train a model on CIFAR10 as in the paper
python train_wrn_ebm.py --lr .0001 --dataset cifar10 --optimizer adam --p_x_weight 1.0 --p_y_given_x_weight 1.0 --p_x_y_weight 0.0 --sigma .03 --width 10 --depth 28 --save_dir /YOUR/SAVE/DIR --plot_uncond --warmup_iters 1000To evaluate the classifier (on CIFAR10):
python eval_wrn_ebm.py --load_path /PATH/TO/YOUR/MODEL.pt --eval test_clf --dataset cifar_testTo do OOD detection (on CIFAR100)
python eval_wrn_ebm.py --load_path /PATH/TO/YOUR/MODEL.pt --eval OOD --ood_dataset cifar_100To generate a histogram of OOD scores like Table 2
python eval_wrn_ebm.py --load_path /PATH/TO/YOUR/MODEL.pt --eval logp_hist --datasets cifar10 svhn --save_dir /YOUR/HIST/FOLDERTo generate new unconditional samples
python eval_wrn_ebm.py --load_path /PATH/TO/YOUR/MODEL.pt --eval uncond_samples --save_dir /YOUR/SAVE/DIR --n_sample_steps {THE_MORE_THE_BETTER (1000 minimum)} --buffer_size 10000 --n_steps 40 --print_every 100 --reinit_freq 0.05To generate conditional samples from a saved replay buffer
python eval_wrn_ebm.py --load_path /PATH/TO/YOUR/MODEL.pt --eval cond_samples --save_dir /YOUR/SAVE/DIRTo generate new conditional samples
python eval_wrn_ebm.py --load_path /PATH/TO/YOUR/MODEL.pt --eval cond_samples --save_dir /YOUR/SAVE/DIR --n_sample_steps {THE_MORE_THE_BETTER (1000 minimum)} --buffer_size 10000 --n_steps 40 --print_every 10 --reinit_freq 0.05 --fresh_samplesTo run Linf attacks on JEM-1
python attack_model.py --start_batch 0 --end_batch 6 --load_path /PATH/TO/YOUR/MODEL.pt --exp_name /YOUR/EXP/NAME --n_steps_refine 1 --distance Linf --random_init --n_dup_chains 5 --base_dir /PATH/TO/YOUR/EXPERIMENTS/DIRECTORYTo run L2 attacks on JEM-1
python attack_model.py --start_batch 0 --end_batch 6 --load_path /cloud_storage/BEST_EBM.pt --exp_name rerun_ebm_1_step_5_dup_l2_no_sigma_REDO --n_steps_refine 1 --distance L2 --random_init --n_dup_chains 5 --sigma 0.0 --base_dir /cloud_storage/adv_results &Happy Energy-Based Modeling!
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