A DCT Multi-channel Image Information Sharing Scheme in Resisting JPEG Lossy Compression Attack.
Liping ShaoXuanping ZhangYuemei RenPublished in: IScIDE (2011)
Keyphrases
- lossy compression
- information sharing
- multi channel
- digital watermark
- image compression
- jpeg images
- image quality
- compression rate
- lossless compression
- discrete cosine transformation
- watermarking algorithm
- image authentication
- low bit rate
- bit rate
- pattern matching
- compression ratio
- jpeg compression
- watermarking technique
- gray level images
- dct coefficients
- discrete cosine transform
- high compression ratio
- image data
- digital watermarking
- file size
- watermark detection
- jpeg ls
- multiscale
- jpeg compressed images
- visual quality
- digital images
- watermarked image
- image representation
- dct domain
- gray level
- compressed domain
- transform domain
- pixel values
- compression algorithm