BBAND Index: A No-Reference Banding Artifact Predictor

• URL: http://arxiv.org/abs/2002.11891v1
• Date: Thu, 27 Feb 2020 03:05:26 GMT
• Title: BBAND Index: A No-Reference Banding Artifact Predictor
• Authors: Zhengzhong Tu, Jessie Lin, Yilin Wang, Balu Adsumilli, and Alan C. Bovik
• Abstract summary: Banding artifact, or false contouring, is a common video compression impairment. We propose a new distortion-specific no-reference video quality model for predicting banding artifacts, called the Blind BANding Detector (BBAND index)
• Score: 55.42929350861115
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Banding artifact, or false contouring, is a common video compression impairment that tends to appear on large flat regions in encoded videos. These staircase-shaped color bands can be very noticeable in high-definition videos. Here we study this artifact, and propose a new distortion-specific no-reference video quality model for predicting banding artifacts, called the Blind BANding Detector (BBAND index). BBAND is inspired by human visual models. The proposed detector can generate a pixel-wise banding visibility map and output a banding severity score at both the frame and video levels. Experimental results show that our proposed method outperforms state-of-the-art banding detection algorithms and delivers better consistency with subjective evaluations.

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