Quaternion Markov Splicing Detection for Color Images Based on Quaternion Discrete Cosine Transform.
Jinwei WangRenfeng LiuHao WangBin WuYun-Qing ShiPublished in: KSII Trans. Internet Inf. Syst. (2020)
Keyphrases
- discrete cosine transform
- color images
- fourier transform
- image compression
- dct coefficients
- transform domain
- filter bank
- hartley transform
- jpeg images
- gray scale
- discrete fourier transform
- compressed images
- image blocks
- blocking artifacts
- grayscale images
- lapped transforms
- color information
- image processing
- fast fourier transform
- image coding
- color space
- multiresolution
- image and video coding
- frequency domain
- computationally efficient
- signal processing
- pattern recognition
- color components
- video sequences
- multimedia