Forensics feature analysis in quaternion wavelet domain for distinguishing photographic images and computer graphics.
Jinwei WangTing LiYun-Qing ShiShiguo LianJingyu YePublished in: Multim. Tools Appl. (2017)
Keyphrases
- photographic images
- wavelet domain
- feature analysis
- computer graphics
- wavelet coefficients
- denoising
- spatial domain
- image processing
- multiscale
- wavelet transform
- computer vision
- photorealistic
- image synthesis
- multiresolution
- image denoising
- human visual system
- subband
- virtual reality
- virtual environment
- image based rendering
- feature extraction
- high frequency
- face recognition
- natural images
- complex scenes
- texture mapping
- frequency domain
- independent component analysis
- visual information
- three dimensional
- single image
- feature selection