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NIPS 2017 Defense Against Adversarial Attack (18th place)

https://www.kaggle.com/c/nips-2017-defense-against-adversarial-attack

Scheme

Scheme

Baseline Algorithms

Fast Gradient Sign Method

Fast Gradient Sign Method is to generate adversarial images with gradient information of loss for the image.

https://arxiv.org/pdf/1607.02533.pdf

Run script file in sample_attack folder as followed.

./run_attack.sh

This module is based on sample attack codes from Google Brain.

Iterative Least-likely Class Method

Iterative Least-likely Class Method is to generate adversarial images by not using true label but "least-likely" label.

https://arxiv.org/pdf/1607.02533.pdf

Run script file in iter_llcm folder as followed.

./run_attack.sh

This module is based on gongzhitaao's git and sample attack codes from Google Brain.

https://github.com/gongzhitaao/tensorflow-adversarial

(Proposed) Adversarial Attack based on adversarial generative learning

This module is to learn a functionality generating adversairal noise can make the model mis-predict data added with that as followed.

Scheme

We designed and validated lots of variations which are summarized bellowed table.

The source code name is

mark[1-3]_<target_model_num>_[notavg,avg,avg2].py.

In there files, avg and avg2 mean ensemble after and before softmax, because TF supports one API, which is for softmax and cross-entropy simultaneously and shows a great performance, thus, we tried both of using that and not using that. "notavg" means design of loss function with cross-entropy functions for each target model.

noise value range loss function batch_normalization deconv model structure
mark1 -max_eps,0 and max_eps reverse Cross-Entropy not used conv3-fc1-deconv3
mark2 [-max_eps,max_eps] reverse Cross-Entropy not used conv3-fc1-deconv3
mark3 [-max_eps,max_eps] reverse Cross-Entropy and the Cross-Entropy for least label used conv3-fc1-deconv3

Reverse Cross-Entropy and training accuracy on learning of mark3

Scheme

Results

Comparison Result Summary ((!) means black-box validation, max_epsilon is fixed as 10)

inception v3 resnet v2 50 inception v4 inception resnet v2 resnet v2 101 resnet v2 152 inception v1 inception v2 vgg-16 vgg-19 resnet v1 50 resnet v1 101 resnet v1 152 black-box vali. sum(incept. resnet v2, incept. v1/v2,vgg 16/19, resnet v1 50/101/152) entire sum
fgsm 749 (!)258 (!)226 (!)173 (!)248 (!)245 (!)300 (!)238 (!)343 (!)356 (!)487 (!)270 (!)255 2422 4148
mark2 with incept.v3 941 (!)473 (!)616 (!)251 (!)467 (!)428 (!)473 (!)535 (!)654 (!)618 (!)808 (!)524 (!)516 4379 7304
mark2 with incept.v3 and res.v2_50 949 641 (!)609 (!)279 (!)443 (!)422 (!)450 (!)635 (!)650 (!)629 (!)874 (!)567 (!)576 4660 7724
mark2 with incept.v3 and res.v2 50/152 936 636 (!)605 (!)280 (!)472 570 (!)458 (!)567 (!)693 (!)650 (!)799 (!)536 (!)544 4527 7746
mark2 with incept.v3/4 and res.v2 50/152/101 932 564 600 (!)349 528 495 (!)473 (!)597 (!)655 (!)642 (!)821 (!)525 (!)551 4613 7732
mark2 with incept.v3/4,res.v2 50/152/101 and avg 970 621 631 (!)257 618 559 (!)519 (!)603 (!)673 (!)658 (!)866 (!)571 (!)580 4727 8126
mark2 with incept.v3/4,res.v2 50/152/101 and avg2 815 760 786 (!)234 770 739 (!)626 (!)735 (!)681 (!)675 (!)880 (!)649 (!)649 5129 8999
mark2 with incept.v3,res.v2 50/152 and avg2 854 814 (!)585 (!)272 (!)613 781 (!)633 (!)738 (!)657 (!)670 (!)855 (!)577 (!)604 5006 8653
mark2 with incept.v3,res.v2 50 and avg2 884 824 (!)605 (!)235 (!)631 (!)565 (!)604 (!)661 (!)665 (!)652 (!)813 (!)577 (!)583 4790 8299
step l.l 751 (!)258 (!)221 (!)163 (!)241 (!)241 (!)302 (!)236 (!)342 (!)352 (!)490 (!)262 (!)249 2396 4108
mark3 with incept.v3 995 (!)385 (!)515 (!)232 (!)321 (!)329 (!)350 (!)439 (!)518 (!)527 (!)806 (!)450 (!)462 3784 6329
mark3 with incept.v3/4,res.v2 50/152/101 and avg2 886 873 877 (!)379 862 845 (!)648 (!)720 (!)723 (!)719 (!)854 (!)670 (!)664 5377 9720

Result Summary

4 5 6 7 8 9 10 11 12 13 14 15 16 sum
fgsm 780 781 773 759 762 753 748 747 739 741 740 737 733 9793
random_noise 0 0 0 0 0 0 0 0 0 0 0 0 0 0
mark1 with incept.v3 learned only when max_eps is 4,8 and 12 512 525 528 532 765 768 772 771 837 837 837 838 838 9360
mark1 with incept.v3 learned only when max_eps is 6,8,10,12 and 14 521 571 716 753 758 777 825 831 924 935 937 940 941 10429
mark1 with incept.v3 learned only when max_eps is 6,7,8,10,12,13,14 and 16 521 629 716 753 758 777 825 831 924 935 964 966 967 10566
mark1 with incept.v3 learned only when max_eps is 8 298 536 716 753 765 768 772 771 772 773 778 787 791 9280
mark1 with incept.v3 learned only when max_eps is 12 96 172 289 443 636 781 825 831 837 837 837 838 838 8260
mark2 with incept.v3/4,res.v2 50/152/101 and avg2 learned for every max_eps 225 459 177 201 721 799 832 884 907 925 938 951 959 8978
mark2 with incept.v3/4,res.v2 50/152/101 and avg2(9-16) + fgsm(<=8) 780 781 773 759 762 799 832 884 907 925 938 951 959 11050
step l.l 771 776 767 759 753 749 751 748 741 743 741 735 735 9769
mark3 with incept.v3(4-8) 894 928 960 957 982 982 982 982 982 982 982 982 982 12577

Authors

Jaesik Yoon (jaesik817@gmail.com)

Hoyong Jang (hoyong.jang@kaist.ac.kr)

Talk Materials and Video (In Korean)

https://www.slideshare.net/NaverEngineering/ss-86897066

https://youtu.be/76-Zuskj03c