High Frequency Content based Stimulus for Perceptual Sharpness Assessment in Natural Images

17 Dec 2014Ashirbani SahaQ. M. Jonathan Wu

A blind approach to evaluate the perceptual sharpness present in a natural image is proposed. Though the literature demonstrates a set of variegated visual cues to detect or evaluate the absence or presence of sharpness, we emphasize in the current work that high frequency content and local standard deviation can form strong features to compute perceived sharpness in any natural image, and can be considered an able alternative for the existing cues... (read more)

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