A Secure Perceptual Hash Algorithm for Image Content Authentication.
Li WengBart PreneelPublished in: Communications and Multimedia Security (2011)
Keyphrases
- image processing algorithms
- dynamic programming
- matching algorithm
- segmentation algorithm
- human eyes
- computational complexity
- optimal solution
- learning algorithm
- estimation algorithm
- region of interest
- image data
- similarity measure
- segmentation method
- single image
- image representation
- k means
- detection algorithm
- human visual system
- high resolution
- image segmentation
- low level
- multiscale
- objective function
- energy function
- expectation maximization
- image matching
- image content
- image features
- motion estimation
- image set
- perceptual grouping
- gray value
- interpolation method
- gradient information
- natural images