Robust Image Hash Function Based on Polar Harmonic Transforms and Feature Selection.
Y. N. LiPublished in: CIS (2012)
Keyphrases
- feature selection
- hash functions
- image data
- input image
- image content
- multiscale
- image classification
- pattern recognition
- image retrieval
- image features
- database systems
- feature points
- dimensionality reduction
- wavelet transform
- image set
- pixel values
- feature descriptors
- data structure
- watermarking technique
- polar coordinates