Employing Unsharp Masking for Contrast Enhancement in Reversible Data Hiding.
Iyad F. JafarHamzah MaghaydahKhalid A. DarabkhPublished in: ISSPIT (2019)
Keyphrases
- unsharp masking
- contrast enhancement
- reversible data hiding
- visual quality
- image enhancement
- data hiding
- high capacity
- gray level
- pixel values
- histogram equalization
- bit rate
- multiscale
- image quality
- low contrast
- transfer function
- low pass
- human visual system
- high frequency
- edge enhancement
- color images
- tone mapping
- edge preserving
- high quality
- noise reduction
- co occurrence
- multiresolution
- error diffusion
- image processing