• 通过显示器稳定性测量,为在对比度敏感测量模型、图像质量、图像感知模型评价等研究领域中用显示器进行实验研究奠定了基础。

    Based on the measurement of stability, it makes a good foundation for experimental research measuring contrast sensitivity and estimating color appearance, image quality and image perception on CRT.

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  • 采取正交实验手段,全面分析了噪声条纹对比度密度条纹方向间距测量精度影响

    By means of orthogonal experiment, the effects of noise, visibility and fringe density on the measuring accuracy of fringe direction and space are analysed in detail.

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  • 测量断面平均计数噪声冷区对比度剖面曲线

    The mean counts, noise, contrast and profile curves of the slices were measured.

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  • 其中与光学特性测量有关的项目发光亮度、角度相关亮度均匀性、角度相关对比度阶色度线性

    Optical characteristics-related measurement projects in it include: shining luminance, angle-related luminance uniformity, angle-related contrast ratio, gray scale curve, etc.

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  • 原始的电子干涉条纹图中含有很强颗粒性噪声对比度很差,因此去除噪声电子散斑干涉测量技术关键问题

    Traditional speckle fringe patterns by electronic speckle pattern interferometry (ESPI) are inherently noisy and of limited visibility, so denoising is the key problem in ESPI.

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  • 测量记录2个密度区内兴趣像素均值噪声计算对比度噪声比。

    The pixel mean value and noise of the image in region of interest were measured and recorded in 2 density areas, and the CNR was calculated.

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  • 测量记录2个密度区内兴趣像素均值噪声计算对比度噪声比。

    The pixel mean value and noise of the image in region of interest were measured and recorded in 2 density areas, and the CNR was calculated.

    youdao

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