一种自由视点视频系统中立体图像质量的评价方法

王士培; 彭宗举; 陈芬; 蒋刚毅; 郁梅

doi:10.11959/j.issn.1000-0801.2018038

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一种自由视点视频系统中立体图像质量的评价方法

研究与开发 | 更新时间：2024-06-05

- 一种自由视点视频系统中立体图像质量的评价方法
- A quality assessment metric for stereoscopic image in free viewpoint video system
- 电信科学 2018年34卷第3期页码：76-85
- 作者机构：
- 作者简介：
  
  [ "王士培（1994-），女，宁波大学信息科学与工程学院硕士生，主要研究方向为虚拟视点绘制及其质量评价。" ]
  [ "彭宗举（1973-），男，博士，宁波大学信息科学与工程学院教授，主要研究方向为三维视频信号处理与编码。" ]
  [ "陈芬（1973-），女，博士，宁波大学信息科学与工程学院副教授，主要研究方向为三维视频信号处理与编码。" ]
  [ "蒋刚毅（1964-），男，博士，宁波大学信息科学与工程学院教授，主要研究方向为三维视频信号处理与编码。" ]
  [ "郁梅（1968-），女，博士，宁波大学信息科学与工程学院教授，主要研究方向为三维视频信号处理与编码。" ]
- 基金信息：
  
  国家自然科学基金资助项目;The National Natural Science Foundation of China(61771269);国家自然科学基金资助项目;The National Natural Science Foundation of China(61620106012);国家自然科学基金资助项目;The National Natural Science Foundation of China(U1301257);浙江省自然科学基金资助项目;The Natural Science Foundation of Zhejiang Province of China(LY16F010002);浙江省自然科学基金资助项目;The Natural Science Foundation of Zhejiang Province of China(LY15F010005);浙江省自然科学基金资助项目;The Natural Science Foundation of Zhejiang Province of China(LY17F010005)
- DOI：10.11959/j.issn.1000-0801.2018038
  中图分类号： TP391.41
- 网络出版日期：2018-03，
  
  纸质出版日期：2018-03-20
- 稿件说明：
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王士培, 彭宗举, 陈芬, 等. 一种自由视点视频系统中立体图像质量的评价方法[J]. 电信科学, 2018,34(3):76-85.

Shipei WANG, Zongju PENG, Fen CHEN, et al. A quality assessment metric for stereoscopic image in free viewpoint video system[J]. Telecommunications science, 2018, 34(3): 76-85.
王士培, 彭宗举, 陈芬, 等. 一种自由视点视频系统中立体图像质量的评价方法[J]. 电信科学, 2018,34(3):76-85. DOI： 10.11959/j.issn.1000-0801.2018038.

Shipei WANG, Zongju PENG, Fen CHEN, et al. A quality assessment metric for stereoscopic image in free viewpoint video system[J]. Telecommunications science, 2018, 34(3): 76-85. DOI： 10.11959/j.issn.1000-0801.2018038.

摘要

提出了一种自由视点视频系统中立体图像的质量评价方法。分别对参考图像与失真图像进行小波分解后用对比敏感度函数加权，计算两者之间的平均结构相似度得到基于内容的质量分数；在双目匹配区域中找到中心凹区域，在该区域上计算图像之间的平均相位相似度，得到基于深度感知的质量分数；利用阈值提取匹配区域中为人眼所感知的失真区域，与利用视差映射过来的另一视点图像的相对应区域计算平均结构相似度得到基于双目特性的质量分数。融合各部分质量分数得到最终图像质量。实验结果表明，本算法评价结果与主观感知一致性较好，更符合人眼视觉特性。

Abstract

A quality assessment metric of stereoscopic image in free viewpoint video system was proposed.After the reference and distorted images being decomposed by wavelet then weighted by contrast sensitivity function respectively

the content score was obtained by calculating the average structural similarity.After the center region being found in the binocular matching region

the average phase similarity was calculated on the region to obtain depth perception.The distortion region perceived by the human eye in the matching region by using the threshold

the average structural similarity was calculated between this region and the corresponding region of the other view image by disparity mapping

then the binocular characteristic score was obtained.The final image quality can be obtained by fusing score of each part.The experimental results show that the proposed algorithm has better consistency with subjective perception and it is more in line with human visual characteristics.

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references

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多特征融合的合成视点立体图像质量评价