Frequency-domain loss function for deep exposure correction of dark images.
Ojasvi YadavKoustav GhosalSebastian LutzAljosa SmolicPublished in: Signal Image Video Process. (2021)
Keyphrases
- frequency domain
- loss function
- cross correlation
- power spectrum
- fourier domain
- fourier transform
- log polar
- spatial domain
- fourier analysis
- power spectra
- phase correlation
- image data
- directional filtering
- bandpass
- subband
- image classification
- discrete fourier transform
- input image
- spectral domain
- feature extraction
- image retrieval
- pairwise
- affine invariance
- denoising
- support vector
- fast fourier transform
- spectrum analysis
- computer vision
- random fields
- markov random field
- image registration
- pre processed