Stealthy Frequency-Domain Backdoor Attacks: Fourier Decomposition and Fundamental Frequency Injection.
Qianli MaJunping QinKai YanLei WangHao SunPublished in: IEEE Signal Process. Lett. (2023)
Keyphrases
- frequency domain
- fundamental frequency
- fourier transform
- spatial domain
- fourier domain
- fourier analysis
- feature extraction
- cross correlation
- subband
- frequency analysis
- filter bank
- power spectrum
- power spectra
- fast fourier transform
- wavelet packet
- speech signal
- watermarking scheme
- denoising
- frequency domain analysis
- space variant
- phase correlation
- frequency spectrum
- spectrum analysis
- discrete cosine transform
- watermarking algorithm
- radon transform
- frequency response
- affine invariance
- image segmentation