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Unadversarial Examples: Designing Objects for Robust Vision

This repository contains the code necessary to replicate the major results of our paper:

Unadversarial Examples: Designing Objects for Robust Vision
Hadi Salman*, Andrew Ilyas*, Logan Engstrom*, Sai Vemprala, Aleksander Madry, Ashish Kapoor
Blogpost (MSR)
Blogpost (Gradient Science)

  title={Unadversarial Examples: Designing Objects for Robust Vision},
  author={Hadi Salman and Andrew Ilyas and Logan Engstrom and Sai Vemprala and Aleksander Madry and Ashish Kapoor},
  journal={arXiv preprint arXiv:2012.12235},

Getting started

The following steps will get you set up with the required packages (additional packages are required for the 3D textures setting, described below):

  1. Clone our repo: git clone

  2. Install dependencies:

    conda create -n unadv python=3.7
    conda activate unadv
    pip install -r requirements.txt

Generating unadversarial examples for CIFAR10

Here we show a quick example how to generate unadversarial examples for CIFAR-10. Similar procedure can be used with ImageNet. The entry point of our code is (see the file for a full description of arguments).

1- Download a pretrained CIFAR10 models, e.g.,

mkdir pretrained-models & 
wget -O pretrained-models/cifar_resnet50.ckpt ""

2- Run the following script

python -m src.main \
      --out-dir OUT_DIR \
      --exp-name demo \
      --dataset cifar \
      --data /tmp \
      --arch resnet50 \
      --model-path pretrained-models/cifar_resnet50.ckpt \
      --patch-size 10 \
      --patch-lr 0.001 \
      --training-mode booster \
      --epochs 30 \
      --adv-train 0

You can see the trained patches images in outdir/demo/save/ as training evolves.

3- Now you can evaluate the pretrained model on a boosted CIFAR10-C dataset (trained patch overlaid on CIFAR-10, then corruptions are added). Simply run

python -m src.evaluate_corruptions \
      --out-dir OUT_DIR \
      --exp-name demo \
      --model-path OUT_DIR/demo/ \
      --args-from-store data,dataset,arch,patch_size

This will evaluate the pretrained model on various corruptions and display the results in the terminal.

4- That's it!

Generating 3D unadversarial textures

The following steps were tested on these configurations:

  • Ubuntu 16.04, 8 x NVIDIA 1080Ti/2080Ti, 2x10-core Intel CPUs (w/ HyperThreading, 40 virtual cores), CUDA 10.2
  • Ubuntu 18.04, 2 x NVIDIA K80, 1x12-core Intel CPU, CUDA 10.2

1- Choose a dataset to use as background images; we used ImageNet in our paper, for which you will need to have ImageNet in PyTorch ImageFolder format somewhere on your machine. If you don't have that, you can just use solid colors as the backgrounds (though the results might not match the paper).

2- Install the requirements: you will need a machine with CUDA 10.2 installed (this process might work with other versions of CUDA but we only tested 10.2), as well as docker, nvidia-docker, and the requirements mentioned earlier in the README.

3- Go to the docker/ folder and run docker build --tag TAG ., changing TAG to your preferred name for your docker instance. This will build a docker instance with all the requirements installed!

4- Open and edit the IMAGENET_TRAIN and IMAGENET_VAL variables to point to the ImageNet dataset, if it's installed and you want to use it. Either way, change TAG on the last line of the file with whatever you named your docker instance in the last step.

5- Alter the parameters in src/configs/config.json according to your setup; the only things we would recommend altering are num_texcoord_renderers (this should not exceed the number of CPU cores you have available), exp_name (the name of the output folder, which will be created inside OUT_DIR from the previous step), and dataset (if you are using ImageNet, you can leave this be, otherwise change it to solids to use solid colors as the backgrounds).

6- From inside the docker folder, run python [--with-imagenet] --out-dir OUT_DIR --gpus GPUS from the same folder. The --with-imagenet argument should only be provided if you followed step four. The OUT_DIR argument should point to where you want the resulting models/output saved, and the GPUS argument should be a comma-separated list of GPU IDs that you would like to run the job on.

7- This process should open a new terminal (inside your docker instance). In this terminal, run GPU_MODE=0 bash [bus|warplane|ship|truck|car] /src/configs/config.json /out

8- Your 3D unadversarial texture should now be generating! Output, including example renderings, the texture itself, and the model checkpoint will be saved to $(OUT_DIR)/$(exp_name).

An example texture that you would get for the warplane is

Simulating 3D Unadversarial Objects in AirSim

Coming soon!

Environments, 3D models, along with python API for controlling these objects and running online object recognition inside Microsoft's AirSim high-fidelity simulator.



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Official repository for the "Unadversarial Examples: Designing Objects for Robust Vision" paper




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