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        <title>yanding:成像质量评价:工具:光源:减光片的介绍与应用</title>
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        <description>减光片的介绍与应用

减光片（Neutral Density Filter，简称 ND 滤光片，又称中性滤光片）是一种用于均匀衰减入射光强、且不改变光谱色温的光学器件。其核心作用在于在高亮度环境下灵活控制进光量，以适配慢快门长曝光或大光圈浅景深等特殊拍摄需求。$$ D = \log\left(\frac{1}{T}\right) $$$T = I_{out}/I_{in}$$0 \sim 1$$1/2$$$ T = \frac{1}{2} = 0.5 $$$T = 0.5$$$ D = \log\left(\frac{1}{0.5}\right) = \log(2) \approx 0.3 $$…</description>
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        <title>yanding:成像质量评价:工具:光源:多光谱光源箱</title>
        <link>https://wiki.yanding.com/doku.php?id=yanding:%E6%88%90%E5%83%8F%E8%B4%A8%E9%87%8F%E8%AF%84%E4%BB%B7:%E5%B7%A5%E5%85%B7:%E5%85%89%E6%BA%90:%E5%A4%9A%E5%85%89%E8%B0%B1%E5%85%89%E6%BA%90%E7%AE%B1&amp;rev=1761895075&amp;do=diff</link>
        <description>多光谱光源箱——为光学测试精度立新标，给每一道光精准“标定”答案

 一、色温相同，颜色为何不同？

色温，是对光色调的一种度量。一般来说，暖黄色光的色温较低，冷白色光的色温较高。看似同色温的光，实则蕴含着不同的 “光谱奥秘”。光谱，如同光的 “成分配方表” ，即使色温一致，不同光谱的光源，其成分也存在差异。</description>
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        <title>yanding:成像质量评价:工具:光源:矩阵交通灯</title>
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        <description>研鼎矩阵交通灯助力ADAS系统准确识别交通灯状态

 引言

随着自动驾驶技术的飞速发展，车载ADAS（高级驾驶辅助系统）的环境感知性能面临严峻挑战，其中交通灯识别问题尤为显著。本文将深入分析这一技术挑战，并探讨研鼎的矩阵交通灯在ADAS测试中的创新应用。</description>
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        <dc:date>2025-10-31T07:19:41+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>yanding:成像质量评价:工具:光源:道路交通信号灯仿真测试平台</title>
        <link>https://wiki.yanding.com/doku.php?id=yanding:%E6%88%90%E5%83%8F%E8%B4%A8%E9%87%8F%E8%AF%84%E4%BB%B7:%E5%B7%A5%E5%85%B7:%E5%85%89%E6%BA%90:%E9%81%93%E8%B7%AF%E4%BA%A4%E9%80%9A%E4%BF%A1%E5%8F%B7%E7%81%AF%E4%BB%BF%E7%9C%9F%E6%B5%8B%E8%AF%95%E5%B9%B3%E5%8F%B0&amp;rev=1761895181&amp;do=diff</link>
        <description>研鼎道路交通信号灯仿真测试平台

随着自动驾驶技术的不断发展，相应的测试手段也必须同步升级。当前的测试多聚焦于车道检测、物体追踪和场景理解等方面，但道路交通信号灯识别作为视觉感知系统中的关键环节，却仍处于测试不足的状态。</description>
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