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The NVR4000-4KS3 model of the Lite Series NVR is favored for itsoutstanding performance. It supports 4K resolution for scenes thatrequire highly detailed images, and can serve as the edge, central, orbackup storage with an intuitive shortcut menu for remotemanagement and control. This NVR also features Smart MotionDetection (SMD) by recorder, which can distinguish target vehicles andhumans from ordinary ones in real-time. When an IPC is connected tothe NVR, a variety of AI functions become available such as facedetection, perimeter protection, and people counting. This NVR isboth cost-effective and easy-to-install, making it ideal for a wide rangeof applications such as for cities, transportation, education andfinance.SMD PlusWith intelligent algorithm, Dahua Smart Motion Detection technologycan categorize the targets that trigger motion detection and filter themotion detection alarm triggered by non-concerned targets to realizeeffective and accurate alarm.Face Detection by CameraFace detection is to detect if there is any human face appearing in thevideo. This technology adopts a deep learning algorithm to supportface detection, tracking, optimization and capturing, and then outputthe best face snapshot.Face Recognition by CameraDahua Face Recognition technology extracts the features of capturedfaces and compares them with that in face database.Perimeter Protection by CameraAutomatically filters out false alarms caused by animals, rustlingleaves, bright lights, etc. Enables system to act secondary recognitionfor the targets. Improves alarm accuracy.Stereo Analysis by CameraWith deep learning algorithm and 3-dimensional scene information,Dahua Stereo Analysis technology can recognize people's behaviors,such as fall detection, violence detection, stay detection, and spaceexception, and then generates alarm signals and triggers linkage.Heat Map by CameraDahua heat map technology is used to display the crowd density andpeople appearance probability. Export and display the crowd status bydifferent colors. Generally, the crowd status is the statistics of peoplequantity in space and time dimensions.