Perceptual Authentication Hashing for Digital Images With Contrastive Unsupervised Learning.
Guopeng GaoChuan QinYaodong FangYuanding ZhouPublished in: IEEE Multim. (2023)
Keyphrases
- digital images
- unsupervised learning
- digital watermarking
- supervised learning
- biometric authentication
- image authentication
- deep learning
- semi supervised
- copyright protection
- order preserving
- human perception
- object recognition
- dimensionality reduction
- human visual system
- expectation maximization
- user authentication
- low level
- security analysis
- perceptual grouping
- file organization
- adobe photoshop
- random projections
- authentication mechanism
- machine learning
- authentication scheme
- fragile watermarking
- watermarking technique
- security mechanisms
- nearest neighbor search
- hamming distance
- similarity search
- model selection
- data structure
- reinforcement learning
- decision trees
- feature selection