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        <title>yanding:成像质量评价:测试用例:adas测试用例:对比度表现指标_cpi</title>
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        <description>对比度表现指标（CPI）

一、对比度表现指标（CPI）概念

对比度是区分物体与环境的重要基础条件。对比度表现指标（Contrast Performance Indicators，简称 CPI）用于评估成像系统的对比度再现能力，主要分为两种：对比度检测概率（CDP）和对比度信噪比（CSNR）。</description>
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        <dc:date>2026-01-07T09:07:12+00:00</dc:date>
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        <title>yanding:成像质量评价:测试用例:adas测试用例:闪烁_flicker</title>
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        <description>闪烁(Flicker)

一、什么是闪烁


在车载成像领域，闪烁（Flicker）指相机拍摄的图像中出现周期性明暗波动、条纹或局部亮度不稳定的现象。这种现象并非光源 “肉眼可见的闪烁”，而是由于相机与光源的周期性特性不匹配，导致图像对光源的 “周期性亮度变化” 产生了可见的捕捉偏差。在ADAS应用中，闪烁会增加识别交通信号、速度标志或安全信息的难度。</description>
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