Invariances of JPEG-quantized DCT coefficients and their application in robust image steganography.
Liyan ZhuXiangyang LuoChunfang YangYi ZhangFenlin LiuPublished in: Signal Process. (2021)
Keyphrases
- dct coefficients
- discrete cosine transform
- dct domain
- compressed domain
- transform domain
- jpeg compression
- feature vectors
- jpeg images
- compressed images
- coded images
- image compression
- low frequency
- multimedia
- watermarking algorithm
- blocking artifacts
- filter bank
- frequency domain
- computationally efficient
- pattern recognition