no code implementations • 14 Jan 2021 • Li-Yun Wang, Yeganeh Jalalpour, Wu-chi Feng
This paper presents a novel context-aware image denoising algorithm that combines an adaptive image smoothing technique and color reduction techniques to remove perturbation from adversarial images.
no code implementations • 3 Dec 2020 • Ryan Feng, Wu-chi Feng, Atul Prakash
We first formally prove that adaptive codebooks can provide stronger robustness guarantees than fixed codebooks as a preprocessing defense on some datasets.