Frequency estimator of sinusoid based on interpolation of three DFT spectral lines.
Lei FanGuoqing QiPublished in: Signal Process. (2018)
Keyphrases
- frequency domain
- spectral domain
- frequency spectrum
- least squares
- spectral characteristics
- low frequency
- discrete fourier transform
- straight line
- displacement estimation
- maximum likelihood
- line segments
- image interpolation
- fourier transform
- line drawings
- spectral analysis
- spatial domain
- fourier coefficients
- image processing
- interpolation method
- hough transform
- hyperspectral images
- variance estimator
- color reproduction
- interpolation methods
- importance sampling
- multispectral images
- image reconstruction
- image data