The Shape Cognition and Query Supported by Fourier Transform.
Tinghua AiYun ShuaiJingzhong LiPublished in: SDH (2008)
Keyphrases
- fourier transform
- frequency domain
- fourier coefficients
- fourier descriptors
- polar coordinates
- signal processing
- rotation invariance
- radon transform
- fourier domain
- shape features
- discrete fourier transform
- correlation function
- shape descriptors
- shape representation
- shape analysis
- fast fourier transform
- fourier analysis
- neural network
- power spectrum
- log polar
- feature space
- multiscale
- computer vision