Robust perceptual image hashing via matrix invariants.
Suleyman Serdar KozatRamarathnam VenkatesanMehmet Kivanç MihçakPublished in: ICIP (2004)
Keyphrases
- image data
- image noise
- input image
- image content
- image classification
- geometric distortions
- image analysis
- low level
- single image
- affine invariant
- keypoints
- image representation
- similarity measure
- vector field
- image features
- multiscale
- segmentation method
- edge detection
- image retrieval
- visual perception
- moment invariants
- perceptual grouping
- image quality assessment
- empirically derived
- image segmentation
- color invariant
- matrix representation
- differential operators
- structure tensor
- quasi invariant
- watermarking technique
- invariant features
- image matching
- image regions
- similarity search
- image quality