结合周边视觉的轻量级立体图像质量评价 方法
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河北工业大学

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河北省教育厅重点项目(ZD2020304);河北省引进留学人员资助项目(C20220316)


Lightweight stereoscopic image quality assessment method combining peripheral vision
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Hebei University of Technology

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Key Project of Hebei Provincial Department of Education (ZD2020304) ; Hebei Province Fund Project for Overseas Researchers (C20220316).

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    摘要:

    针对立体图像质量预测偏差问题,基于人眼视觉模型,提出一种结合周边视觉信息的轻量级立体图像质量评价方法。首先,构建双目感知模型获取中央凹视觉区与周边视觉区,利用对称式立体信息融合模块加强视差信息;然后,通过轻量级特征提取模块获取双目质量感知特征;最后,在全连接层实现主客观立体图像质量评价值的关系映射。引入自适应多损失策略指导模型训练,在 LIVE 3D 与 Waterloo IVC 立体图像库进行性能测试,结果表明,算法具有良好的综合性能,与人类主观质量感知保持较高的一致性。

    Abstract:

    Aiming at the problem of stereoscopic image quality prediction bias, a lightweight stereoscopic image quality assessment method combining peripheral visual information is proposed based on the human eye vision model. First, a binocular perception model is constructed to acquire the central concave visual area and the peripheral visual area, and a symmetric stereoscopic information fusion module is used to enhance the parallax information. Then, the binocular quality perception features are obtained by the lightweight feature extraction module. Finally, the relationship between the subjective and objective stereoscopic image quality evaluation values maps in the fully connected layer. An adaptive multi-loss strategy is introduced to guide the model training, while the performance tests are conducted in LIVE 3D and the Waterloo IVC stereoscopic image databases. The results show that the proposed algorithm performs comprehensive and maintains a high level of consistency with human subjective quality perception.

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  • 收稿日期:2023-04-09
  • 最后修改日期:2023-07-13
  • 录用日期:2023-07-23
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