A New Optimization Strategy for Solving the Fall-Off Boundary Value Problem in Pixel-Value Differencing Steganography.
Ismael R. Grajeda-MarínHéctor A. Montes VenegasJosé Raymundo Marcial-RomeroJosé Antonio Hernández ServínVianney Muñoz-JiménezGuillermo De Ita LunaPublished in: Int. J. Pattern Recognit. Artif. Intell. (2018)
Keyphrases
- optimization strategy
- boundary value problem
- pixel values
- cover image
- optimization algorithm
- differential equations
- improved algorithm
- image quality
- secret data
- numerical solution
- particle swarm
- initial solution
- boundary conditions
- optimization method
- partial differential equations
- data hiding
- iterative procedure
- gray level
- probability density function
- multi objective