Visual Quality Optimization for Privacy Protection Bar-based Secure Image Display Technique.
Sanghyun ParkSang-ug KangPublished in: KSII Trans. Internet Inf. Syst. (2017)
Keyphrases
- visual quality
- perceptual quality
- privacy protection
- image quality
- contrast enhancement
- high frequency
- human visual system
- image data
- higher psnr
- signal noise ratio
- enhanced image
- multiscale
- bit rate
- input image
- high resolution
- pixel values
- reconstructed image
- peak signal to noise ratio
- image classification
- image segmentation
- display devices
- compressed images
- low bit rate
- image quality assessment
- low level
- reversible data hiding
- image retrieval
- statistical databases
- image enhancement