IEEE Trans Image Process - A perceptually relevant approach to ringing region detection.

Tópicos

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Resumo

An efficient approach toward a no-reference ringing metric intrinsically exists of two steps: first detecting regions in an image where ringing might occur, and second quantifying the ringing annoyance in these regions. This paper presents a novel approach toward the first step: the automatic detection of regions visually impaired by ringing artifacts in compressed images. It is a no-reference approach, taking into account the specific physical structure of ringing artifacts combined with properties of the human visual system (HVS). To maintain low complexity for real-time applications, the proposed approach adopts a perceptually relevant edge detector to capture regions in the image susceptible to ringing, and a simple yet efficient model of visual masking to determine ringing visibility. The approach is validated with the results of a psychovisual experiment, and its performance is compared to existing alternatives in literature for ringing region detection. Experimental results show that our method is promising in terms of both reliability and computational efficiency.

Resumo Limpo

effici approach toward norefer ring metric intrins exist two step first detect region imag ring might occur second quantifi ring annoy region paper present novel approach toward first step automat detect region visual impair ring artifact compress imag norefer approach take account specif physic structur ring artifact combin properti human visual system hvs maintain low complex realtim applic propos approach adopt perceptu relev edg detector captur region imag suscept ring simpl yet effici model visual mask determin ring visibl approach valid result psychovisu experi perform compar exist altern literatur ring region detect experiment result show method promis term reliabl comput effici

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