Chinese Journal of Liquid Crystals and Displays, Volume. 40, Issue 5, 716(2025)
Optimization method of grating stereoscopic display based on simulation image evaluation
Fig. 5. Partial evaluation loss value and human visual loss value in the first experiment stage.（a）DSITS，DSS，GMSD；（b）SSIM，IW_SSIM，MS_SSIM；（c）LPIPS，MDSI，SRSIM；（d）Content_Loss，PSNR，HaarPSI.
Fig. 6. Partial evaluation loss value and human visual loss value of the first experiment in the second stage. The images obtained in this experiment are simu-lated as the distance between the grating and the display panel varied.（a）Content_Loss，DSS，GMSD；（b）LPIPS，HaarPSI，SRSIM.
Fig. 7. Partial evaluation loss value and human visual loss value of the second experiment in the second stage. The images obtained in this experiment are simulated as the curvature radius of the cylindrical lens varied.（a）Content_Loss，DSS，GMSD；（b）LPIPS，HaarPSI，SRSIM.
Table 1. Selected image quality assessment index
View tableView in ArticleTable 1. Selected image quality assessment index
英文缩写 英文全称 中文名称 PSNR Peak Signal-to-Noise Ratio 峰值信噪比 SSIM Structure Similarity Index Measure 结构相似性 IW-SSIM Information Content Weighted Structural Similarity Index 信息内容加权的结构相似性 MS-SSIM Multi-Scale Structural Similarity Index Measure 多尺度结构相似性 DSS DCT Subband Similarity Index 离散余弦变换的子带相似性 DSITS Deep Image Structure and Texture Similarity 深度图像结构和纹理相似性 GMSD Gradient Magnitude Similarity Deviation 梯度幅度相似性偏差 MDSI Mean Deviation Similarity Index 平均偏差相似性 HaarPSI Haar Perceptual Similarity Index Haar感知相似性 SRSIM［ 23 ］Spectral Residual Based Similarity 基于光谱残差的相似性 LPIPS Learned Perceptual Image Patch Similarity 可学习的感知图像块相似性 CL［ 24 ］Content-Loss 内容损失
Table 2. Experimental images and their issues
View tableView in ArticleTable 2. Experimental images and their issues
图片编号 图片问题描述 图片编号 图片问题描述 1 正常 6 线数错误 2 偏移 7 模糊 3 模糊+偏移 8 模糊+色彩失真 4 模糊 9 重影 5 正常 10 色彩失真
Table 3. Pearson correlation results of the first stage experiment
View tableView in ArticleTable 3. Pearson correlation results of the first stage experiment
图像质量评估指标 皮尔逊相关系数 LPIPS 0.813 9 SRSIM 0.808 3 DSS 0.783 1 HaarPSI 0.712 8 GMSD 0.708 9 Content_Loss 0.636 4 DSITS 0.602 7 IW_SSIM 0.522 8 MDSI 0.493 1 MS_SSIM 0.312 0 SSIM 0.285 3 PSNR 0.194 0
Table 4. Pearson correlation results of the first experiment in the second stage
View tableView in ArticleTable 4. Pearson correlation results of the first experiment in the second stage
图像质量评估指标 皮尔逊相关系数 LPIPS 0.894 0 Content_Loss 0.859 8 SRSIM 0.768 4 DSS 0.732 0 HaarPSI 0.718 4 GMSD 0.717 5
Table 5. Pearson correlation results of the second experiment in the second stage
View tableView in ArticleTable 5. Pearson correlation results of the second experiment in the second stage
图像质量评估指标 皮尔逊相关系数 LPIPS 0.994 5 SRSIM 0.969 1 HaarPSI 0.963 0 GMSD 0.957 1 DSS 0.956 3 Content_Loss 0.891 6
Table 6. Displayer parameters
View tableView in ArticleTable 6. Displayer parameters
参数 数值 显示器尺寸 1 440 mm×810 mm 显示面板分辨率 3 840×2 160 观看距离 2 000 mm 观看视角 50° 柱透镜曲率半径范围 0.53~2 mm 光栅折射率 1.617 5 编码的视点数 51 光栅倾角正切值 0.102 43 光栅节距 1.03 mm 光栅到显示面板距离范围 0.5~2 mm
Table 7. Optimized parameters
View tableView in ArticleTable 7. Optimized parameters
优化平台 柱透镜曲率半径/mm 光栅到显示面板的距离/mm 弥散斑（RMS）半径 中心视场/μm 边缘视场/μm 本文方法 0.648 1.515 15.567 89.744 Zemax 0.669 1.523 22.434 97.354
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Yifei HONG, Zihan NIE, Xinzhu SANG, Shujun XING. Optimization method of grating stereoscopic display based on simulation image evaluation[J]. Chinese Journal of Liquid Crystals and Displays, 2025, 40(5): 716
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Received: Jan. 14, 2025
Accepted: --
Published Online: Jun. 18, 2025
The Author Email: Shujun XING (xsj@bupt.edu.cn)
