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IEICE TRANSACTIONS on Fundamentals

A Fully-Blind and Fast Image Quality Predictor with Convolutional Neural Networks

Zhengxue CHENG, Masaru TAKEUCHI, Kenji KANAI, Jiro KATTO

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Summary :

Image quality assessment (IQA) is an inherent problem in the field of image processing. Recently, deep learning-based image quality assessment has attracted increased attention, owing to its high prediction accuracy. In this paper, we propose a fully-blind and fast image quality predictor (FFIQP) using convolutional neural networks including two strategies. First, we propose a distortion clustering strategy based on the distribution function of intermediate-layer results in the convolutional neural network (CNN) to make IQA fully blind. Second, by analyzing the relationship between image saliency information and CNN prediction error, we utilize a pre-saliency map to skip the non-salient patches for IQA acceleration. Experimental results verify that our method can achieve the high accuracy (0.978) with subjective quality scores, outperforming existing IQA methods. Moreover, the proposed method is highly computationally appealing, achieving flexible complexity performance by assigning different thresholds in the saliency map.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E101-A No.9 pp.1557-1566
Publication Date
2018/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E101.A.1557
Type of Manuscript
PAPER
Category
Image

Authors

Zhengxue CHENG
  Waseda University
Masaru TAKEUCHI
  Waseda University
Kenji KANAI
  Waseda University
Jiro KATTO
  Waseda University

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