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SLAP: Improving Physical Adversarial Examples with Short-Lived Adversarial Perturbations

Artifacts for "SLAP: Improving Physical Adversarial Examples with Short-Lived Adversarial Perturbations" to appear in Usenix Security 2021.

The code for the experiments will come soon.

Data and Models

Data and models used in this paper are available in this release. The data.zip folder will contain the following files:

.  # data.zip
├── models                    # contains all models
│   ├── yolov3           
│   ├── maskrcnn
│   ├── gtsrbcnn
│   │   │── cvpr18            # taken from cvpr18 paper
│   │   │── cvpr18iyswim      # above with input randomization layer added
│   │   │── usenix21          # architecture from cvpr18 but re-trained
│   │   └── usenix21adv       # above but trained with adversarial loss
│   └── lisacnn               # same subfolders as gtsrbcnn
├── indoor                    # data used in indoors experiment
│   ├── objects               # target objects cutouts
│   ├── profile               # profiling data, used to fit projection model
│   │   │── 120/stop_sign/all_triples.csv  # file used in 120 lux, for stop sign target
│   │   └── ...        
│   └── optimize
│       │── 120/stop_sign/yolov3/_best_projection.png  # projection image used for 120 lux, stop sign, yolov3 model
│       └── ...        
├── outdoor                    # data used in outdoors experiment 
└── datasets                   # image datasets used for re-training
    ├── gtsrb           
    └── lisa

Using this codebase

This repository contains most of the code used in the paper. We also publish a Docker image containing the execution environment and data and models used in this work.

To use this repository, you will need docker, docker-compose and a GPU. Make sure that the GPU is available within docker containers, (e.g., we had to set "default-runtime": "nvidia" in /etc/docker/daemon.json). Most of the code will also work on a CPU once you replace tensorflow-gpu with tensorflow==1.15.3; if you do not have a GPU you can do this inside the container or rebuild it from a cpu-based image (FROM tensorflow/tensorflow:1.15.3-py3-jupyter).

Follow these steps:

  • git clone https://github.com/ssloxford/short-lived-adversarial-perturbations.git
  • cd short-lived-adversarial-perturbations/
  • wget https://github.com/ssloxford/short-lived-adversarial-perturbations/releases/download/usenix21/data.zip the data.zip contains models and data necessary to run tests.
  • unzip data.zip
  • docker pull ssloxford/short-lived-adversarial-perturbations:usenix21
  • docker-compose up -d
  • docker attach slap_container
  • nose2 this runs a set of tests which verify that the basic functionalities run correctly.

One can check examples of usage by locally opening the notebook the notebook example.ipynb (the notebook is running inside the container and forwarded on this port). The password is slap@usenix21.

You can also check the content of this notebook online example.ipynb.

Contributors

Acknowledgements

This work was generously supported by a grant from armasuisse and by the Engineering and Physical Sciences Research Council [grant numbers EP/N509711/1, EP/P00881X/1].