matlab: MATLAB code to generate universal perturbations, using Caffe or MatConvNet.
python: Python code to generate universal perturbations using TensorFlow.
precomputed: Precomputed universal perturbations, for pre-trained models on ImageNet.
##Reference [1] S. Moosavi-Dezfooli*, A. Fawzi*, O. Fawzi, P. Frossard: Universal adversarial perturbations. CoRR abs/1610.08401 (2016)