Low-light conditions are a monitoring challenge for installers and end users. Images taken from scenarios with dark lighting (or after dark) using traditional surveillance cameras are often black and white, fuzzy or heavily pixelated, which is not ideal for backtracking in case of an event.
When choosing the right camera for scenarios with low illumination, you can consider 4K cameras – an industry craze that is gradually becoming a mainstream monitoring solution. In fact, according to a latest report, the 4K video surveillance market size is expected to grow at 9 percent CAGR (compound annual growth rate), which is primarily driven by the increasing demand for public safety and security services, as well as the speedy advancements in 4K technologies and more affordable cameras on the market.
4K in a nutshell
4K cameras have resolution of 3840 x 2160 pixels, which means 8 million plus pixels. In comparison, 4K surveillance cameras have
The Dahua Full-colour 4K cameras adopt a 1/1.2 inch image sensor (currently Dahua's best low-light IPC sensor) that provides 110 percent pixel size increase compared to conventional 8 MP sensor. What’s more, its F1.0 large aperture can capture light that is more available and the maximum light energy that the sensor can receive is doubled.
The Dahua Full-colour 4K camera is packed with AI functions that can accommodate various monitoring needs of users. Perimeter protection accurately detects targets in the scene. SMD 3.0 reduces false alarms and increases the detection distance. AI Schedule allows users to set different AI functions based on their preferred time. Other AI functions include people counting (eight rules) and queue management (four rules).
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