Perceptual Cryptography on JPEG2000 Compressed Images or Videos.
Shiguo LianJinsheng SunZhiquan WangPublished in: CIT (2004)
Keyphrases
- jpeg compressed images
- image quality
- compressed images
- dct domain
- human visual system
- digital images
- jpeg compression
- visual quality
- image compression
- dct coefficients
- image quality assessment
- bit rate
- blocking artifacts
- compression ratio
- peak signal to noise ratio
- compressed domain
- low level
- discrete cosine transform
- transform domain
- post processing
- video sequences
- digital video
- reconstructed image
- wavelet domain
- compression algorithm
- low bit rate
- bitstream
- video frames
- video data
- image data