An adaptive image authentication scheme for vector quantization compressed image.
Jun-Chou ChuangYu-Chen HuPublished in: J. Vis. Commun. Image Represent. (2011)
Keyphrases
- vector quantization
- image compression
- distortion measure
- compressed images
- authentication scheme
- index table
- image data
- jpeg images
- multiscale
- image segmentation
- image features
- image classification
- image representation
- data embedding
- compression ratio
- reconstructed image
- wavelet transform
- low bit rate
- image transmission
- similarity measure
- lossy compression
- discrete cosine transform
- smart card
- test images
- structural similarity
- low frequency
- high resolution
- signal processing
- post processing
- image processing