High Frequency Content based Stimulus for Perceptual Sharpness Assessment in Natural Images.
Ashirbani SahaQ. M. Jonathan WuPublished in: CoRR (2014)
Keyphrases
- high frequency
- natural images
- image quality assessment
- low frequency
- visual quality
- natural scenes
- quality assessment
- human visual system
- multiscale
- higher order
- image denoising
- object recognition
- perceptual quality
- denoising
- wavelet transform
- high resolution
- visual perception
- input image
- subband
- image retrieval
- statistics of natural images
- image patches
- human perception
- receptive fields
- test images
- wavelet coefficients
- discrete wavelet transform
- low pass
- noisy images
- wavelet domain
- wavelet decomposition
- visual cortex
- locally adaptive
- high quality
- human vision
- frequency band