A halftone image quality assessment method based on gradient and texture

IF 3.4 2区工程技术 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

Displays Pub Date : 2025-07-26 DOI:10.1016/j.displa.2025.103165

Xinhong Zhang , Jiayin Zhao , Fan Zhang

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引用次数: 0

Abstract

Digital halftoning is an important screening technique in the digital printing and publishing. However, traditional image quality assessment (IQA) methods are not fully applicable to the quality assessment of halftone images. This paper proposes a gradient and texture-based quality assessment method for halftone images, PGT-SSIM (Partitioned Gradient and Texture Structural Similarity). The proposed method builds on the partitioning concept, extracts the gradient feature map of the image, incorporates texture feature differences, and finally applies the SSIM formula for weighted scoring to derive the final quality score. Experimental results demonstrate that the proposed method achieves higher accuracy and better alignment with human subjective perception compared to existing approaches. The indexes of PGT-SSIM are significantly higher than SSIM. The PLCC index of PGT-SSIM is 11% higher than that of Partition SSIM. Furthermore, the proposed halftone IQA method provides valuable insights for improving halftone algorithms, making it a significant contribution to the field.

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基于梯度和纹理的半色调图像质量评价方法

数字半色调是数字印刷出版中一项重要的筛选技术。然而，传统的图像质量评价方法并不完全适用于半色调图像的质量评价。提出了一种基于梯度和纹理的半色调图像质量评价方法PGT-SSIM （Partitioned gradient and Texture Structural Similarity）。该方法在分割概念的基础上，提取图像的梯度特征映射，结合纹理特征差异，最后应用SSIM公式进行加权评分，得出最终的质量分数。实验结果表明，与现有方法相比，该方法具有更高的准确率和更好的与人类主观感知的一致性。PGT-SSIM的各项指标显著高于SSIM。PGT-SSIM的PLCC指数比Partition SSIM的PLCC指数高11%。此外，所提出的半色调IQA方法为改进半色调算法提供了有价值的见解，使其成为该领域的重要贡献。

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来源期刊

Displays 工程技术-工程：电子与电气

CiteScore

4.60

自引率

25.60%

发文量

138

审稿时长

92 days

期刊介绍： Displays is the international journal covering the research and development of display technology, its effective presentation and perception of information, and applications and systems including display-human interface. Technical papers on practical developments in Displays technology provide an effective channel to promote greater understanding and cross-fertilization across the diverse disciplines of the Displays community. Original research papers solving ergonomics issues at the display-human interface advance effective presentation of information. Tutorial papers covering fundamentals intended for display technologies and human factor engineers new to the field will also occasionally featured.