Enhanced Precision in Frequency and Phase Spectrum in Optical Frequency Domain Reflectometry Using Zoom-FFT Based Spectrum Refinement.
Liangjun DongWeilin XieCongfan WangXiang ZhengJiang YangQiang YangYi YinWei WeiYi DongPublished in: ICAIT (2023)
Keyphrases
- frequency domain
- frequency spectrum
- power spectrum
- fourier transform
- low frequency
- frequency analysis
- spatial domain
- fourier domain
- power spectra
- frequency domain analysis
- power spectral
- spectrum analysis
- fast fourier transform
- frequency response
- bandpass
- cross correlation
- feature extraction
- subband
- denoising
- space variant
- image processing
- spectral domain
- fourier analysis
- spectral features
- phase correlation
- frequency band
- facial asymmetry
- filter bank
- image compression
- image quality
- affine invariance
- multiscale