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APEC Security Technology co.,ltd
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CCTV Knowledge

What is Wide Dynamic Range
What is Wide Dynamic Range
Wide Dynamic Range, also known as WDR, is designed to solve the overexposure or underexposure problems encountered in the highly contrasting light condition, namely when there are very bright and very dark areas coexisted in one scene. Moreover, WDR also reduces the blooming and smearing effect found in CCD type video cameras. Nevertheless, the superior video performance of WDR cameras is also accompanied by significant cost increase.
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