A Semi-Fragile Image Content Authentication Technique based on Secure Hash in Frequency Domain.
P. D. Sheba Kezia MalarchelviPublished in: Int. J. Netw. Secur. (2013)
Keyphrases
- frequency domain
- low frequency
- spatial domain
- input image
- image features
- image data
- image authentication
- tamper detection
- denoising
- image content
- edge detection
- multiscale
- high resolution
- image segmentation
- image representation
- watermarked image
- test images
- feature extraction
- additive noise
- image retrieval
- high quality
- similarity measure
- discrete wavelet transform
- transform domain
- image denoising
- high frequency