High-Frequency Preserving Image Downscaler.
Jaehwan KimSoo Min KangKwang Pyo ChoiYoungo ParkChaeeun LeeJongseok LeePublished in: ICIP (2021)
Keyphrases
- high frequency
- low frequency
- high resolution
- high frequency components
- high frequencies
- wavelet decomposition
- image data
- multi resolution analysis
- blocking artifacts
- low and high frequency
- single image
- multiscale
- wavelet transform
- image analysis
- input image
- wavelet coefficients
- visual quality
- discrete wavelet transform
- image segmentation
- frequency domain
- subband
- high pass
- pixel values
- contourlet transform
- subband decomposition
- frequency band
- edge detection
- computer vision
- wavelet domain
- edge information
- multispectral images
- low pass
- post processing
- face recognition