Exposing Deepfake Videos with Spatial, Frequency and Multi-scale Temporal Artifacts.
Yongjian HuHongjie ZhaoZeqiong YuBeibei LiuXiangyu YuPublished in: IWDW (2021)
Keyphrases
- spatial frequency
- multiscale
- texture segmentation
- low frequency
- temporal coherence
- temporal relationships
- visual effects
- temporal information
- spatio temporal
- wavelet transform
- video frames
- dynamic textures
- high quality
- spatial and temporal
- human activities
- video clips
- video sequences
- image texture
- wigner distribution
- high frequency
- edge detection
- temporal patterns
- gabor filters
- slowly varying
- hyperspectral
- local binary pattern
- wavelet coefficients
- space time
- multiresolution