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background luminescence 本底发光

  • Object: to evaluate mesopic contrast threshold under 3 kinds of background and to explore the effect of adaptation time, adaptation luminance and glare on contrast threshold of humans eye.

    目的评估3背景环境中间视觉对比度值,探讨适应时间、背景亮度眩光人眼对比度阈值影响

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  • The principle for testing the image tube luminance and background is discussed. The constitution of the instrument and processing methods of test data are introduced.

    论述亮度增益背景测试仪原理介绍仪器组成以及测试数据处理方法

    dict.cnki.net

  • First, after the foreground is retrieved, the luminance test is used to reduce part the object region that has higher pixel's intensity in the foreground than the corresponding background.

    算法首先提取出来前景区域进行亮度测试,去除前景区域像素亮度值高于对应背景区域的区域。

    dict.cnki.net

  • As to sea image, the variance feature of region of interest and the luminance contrast feature between target and background are used to fusion recognition.

    对于海面图像,分别采用兴趣舰船目标区域方差值、目标背景亮度对比度两个特征对目标进行融合识别。

    dict.cnki.net

  • As to sea image, the variance feature of region of interest and the luminance contrast feature between target and background are used to fusion recognition.

    对于海面图像,分别采用兴趣舰船目标区域方差值、目标背景亮度对比度两个特征对目标进行融合识别。

    dict.cnki.net

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