Unverified85% confidenceDecision RuleTime unknown
宽动态范围(WDR)≥100dB且带主动红外补光的设备才能应对逆光和夜间，纯白光补光会造成用户眩目且夜间体验差
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified夜间与逆光表现主要取决于红外补光和宽动态(WDR)能力，选带主动红外补光+WDR≥100dB的设备；纯依赖可见光摄像头的门禁在夜间或强逆光门口识别率会明显下降87% similarUnverified户外或逆光门口须选带宽动态WDR≥100dB并配置补光灯的设备，普通摄像头在强逆光下识别率骤降；纯白光补光夜间刺眼，优先选红外补光方案85% similarUnverified夜视清晰度看红外灯数量与传感器，720p足够看清呼吸起伏，1080p以上主要提升细节但夜间红外模式下清晰度差异有限，不必为分辨率溢价买单78% similarUnverified不要为追求高亮度买大功率补光灯用于近距离自拍，功率过高（＞10W）近距离会导致过曝和刺眼，桌面近景补光3-5W已足够77% similarUnverified对护眼敏感或用于书房、儿童房，应选标注无频闪（DC驱动/高频PWM≥3125Hz）的产品，低价灯泡常有肉眼不可见的100Hz频闪，长时间用易疲劳77% similar
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