An analytical study of subpixel-based image down-sampling patterns in frequency domain.
Yonggen LingOscar C. AuKetan TangJiahao PangJin ZengLu FangPublished in: VCIP (2013)
Keyphrases
- frequency domain
- cross correlation
- phase correlation
- low frequency
- transformed image
- power spectrum
- spatial domain
- frequency domain analysis
- space variant
- fourier transform
- discrete fourier transform
- image data
- log polar
- fourier domain
- template matching
- multiscale
- spectral domain
- image segmentation
- bandpass
- input image
- fourier analysis
- feature extraction
- spectral signatures
- power spectra
- directional filtering
- image alignment
- subband
- subpixel accuracy
- edge detection
- denoising
- fast fourier transform
- natural images
- affine invariance
- high resolution
- image sequences
- computer vision