Traditional pattern enhancement based on improved singular value decomposition and gamma function in the frequency domain.
Yingda DongChunguang HeYanping QinYunmei YuanFan GaoHuaqiong DuoXiming WangPublished in: J. Intell. Fuzzy Syst. (2023)
Keyphrases
- frequency domain
- singular value decomposition
- fourier transform
- spatial domain
- affine invariance
- prolate spheroidal
- singular values
- cross correlation
- dimension reduction
- directional filtering
- latent semantic indexing
- least squares
- feature extraction
- dimensionality reduction
- low rank
- denoising
- principal component analysis
- reconstruction error
- power spectra
- subband
- image processing
- filter bank
- recommender systems
- image data
- high dimensional