A Dual Stealthy Backdoor: From Both Spatial and Frequency Perspectives

no code implementations • 3 Jul 2023 • Yudong Gao, Honglong Chen, Peng Sun, Junjian Li, Anqing Zhang, Zhibo Wang

Then, to attain strong stealthiness, we incorporate Fourier Transform and Discrete Cosine Transform to mix the poisoned image and clean image in the frequency domain.

Backdoor Attack