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Generalized Sobel Filters for gradient estimation of distorted images.
Antonino Furnari
Giovanni Maria Farinella
Arcangelo Ranieri Bruna
Sebastiano Battiato
Published in:
ICIP (2015)
Keyphrases
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gradient estimation
distorted images
edge detection
variance reduction
human perception
image quality assessment
image quality
human visual system
structural similarity
multiscale
geometric distortions
image database
perceptual quality