A Steganographic Approach Based on Pixel Blocks Differencing to Enhance the Quality of the Stego Image.
Alfa Fakhrur Rizal ZainiJean De La Croix NtivuguruzwaTohari AhmadPublished in: ICTAS (2024)
Keyphrases
- stego image
- image blocks
- embedding capacity
- secret data
- reversible data hiding
- data hiding
- image quality
- data embedding
- cover image
- pixel values
- visual quality
- digital images
- binary images
- block size
- discrete cosine transform
- transform domain
- high quality
- secret message
- test images
- high capacity
- spatial domain
- dct domain
- compressed images
- spread spectrum
- human visual system
- information hiding
- high frequency
- gray level
- image data