Robust image hashing using non-uniform sampling in discrete Fourier domain.
Chuan QinChin-Chen ChangPei-Ling TsouPublished in: Digit. Signal Process. (2013)
Keyphrases
- fourier domain
- input image
- fourier transform
- image data
- band limited
- single image
- image features
- frequency domain
- image analysis
- multiscale
- invariant features
- log polar
- template matching
- spatial domain
- image retrieval
- edge detection
- wavelet domain
- optic flow
- image matching
- test images
- high resolution
- similarity measure
- image processing
- gabor filters
- pixel values
- contrast enhancement
- computer vision