LWT-DCT based image hashing for image authentication via blind geometric correction.
Ram Kumar KarshPublished in: Multim. Tools Appl. (2023)
Keyphrases
- image authentication
- tamper detection
- image content
- public key
- image data
- multiscale
- image representation
- watermarking scheme
- authentication scheme
- image classification
- jpeg compression
- test images
- image retrieval
- high resolution
- digital watermarking
- watermarking technique
- image regions
- image compression
- watermarking algorithm
- lossy compression
- edge detection
- image database
- digital images
- image features