Detection of direction and wavelength of ocean wave by power spectrum of ocean wave image.
Huiming TangShengrong XuPublished in: ICPR (3) (1992)
Keyphrases
- power spectrum
- frequency analysis
- frequency domain
- image data
- natural images
- input image
- autocorrelation function
- image features
- image segmentation
- ridgelet transform
- multiscale
- detection algorithm
- density function
- signal noise ratio
- independent component analysis
- bank of gabor filters
- power spectral
- spectral estimation
- space variant
- high resolution
- feature extraction