Reversible Contrast Enhancement by Histogram Specification and Very Low Distortion Data Hiding.
Dinu ColtucHenri George CoandaPublished in: IEEE Trans. Inf. Forensics Secur. (2024)
Keyphrases
- contrast enhancement
- data hiding
- reversible data hiding
- embedding capacity
- histogram equalization
- visual quality
- gray level
- embedded image
- image enhancement
- data embedding
- error correction
- enhanced image
- secret data
- spatial domain
- image contrast
- data hiding scheme
- multiscale
- pixel values
- high capacity
- spread spectrum
- color images
- image quality
- watermarking technique
- low contrast
- high frequency
- error diffusion
- gray value
- information hiding
- gray scale
- human visual system
- watermarked image
- bit rate
- cover image
- error concealment
- multiresolution
- dynamic range
- image analysis
- image retrieval
- image segmentation