Random grid-based threshold visual secret sharing with improved visual quality and lossless recovery ability.
Xin LiuShen WangXuehu YanWeizhe ZhangPublished in: Multim. Tools Appl. (2018)
Keyphrases
- visual quality
- image quality
- bit rate
- high frequency
- human visual system
- compressed images
- low bit rate
- reconstructed image
- error concealment
- peak signal to noise ratio
- lossy compression
- perceptual quality
- image compression
- data embedding
- high quality
- ground truth
- inter frame
- lossless compression
- wavelet transform
- wireless sensor networks