Perceptual cryptography on SPIHT compressed images or videos.
Shiguo LianJinsheng SunZhiquan WangPublished in: ICME (2004)
Keyphrases
- compressed images
- image compression
- visual quality
- artifact reduction
- compression ratio
- human visual system
- dct domain
- reconstructed image
- compressed domain
- video analysis
- video sequences
- video frames
- bitstream
- compression algorithm
- discrete cosine transform
- low level
- key frames
- video content
- motion estimation
- high frequency
- spatial resolution
- compression scheme
- image processing
- coding scheme
- image quality
- image coder
- visual information