Dahua PTZ AI network camera adopts advanced CNN deep learning
algorithms to support face recognition with high accuracy. This camera
possess wide monitor range, PFA algorithm that can always present a
clear, focused image while zooming, and smart wiper technology that
supported by RainSensor.
For challenging low-light applications, Dahua’s Starlight Ultra-low Light
Technology offers best-in-class light sensitivity, capturing color details in
low light down to 0.002 Lux. The camera uses a set of optical features
to balance light throughout the scene, resulting in clear images in dark
Once facial features are extracted from captured faces, they are stored in
a database where they can be easily searched and compared against other
images. Once a successful match is found, the system outputs the result.
The Dahua Face Recognition camera supports a built-in database that
stores up to 10,000 facial images, helping the camera achieve real-time
face capture and comparison.
Automatically filters out false alarms caused by animals, rustling
leaves, bright lights, etc. Enables system to act secondary recognition for
the targets. Improves alarm accuracy.
Metadata is feature attribute information extracted from a target object
which can be used for data retrieval. There are four kinds of metadata
supported by Dahua PTZ AI camera: human face, human body, motor
vehicle and non-motor vehicle metadata. Facial information includes
gender, age, glasses, masks, beards, etc. Human body information
includes hat, top, top color, bottom, bottom color, bag, etc. Motor vehicle
information includes plate color, type, vehicle color, sunshield, ornament,
calling, seatbelt, smoking, annual inspection sticker, etc. Non-motor
vehicle information includes type, color, top type, top color, people
PFA technology has innovatively introduced new methods of judgment
to ensure the accuracy and predictability of the direction of subject
distance adjustment. The result is a set of advanced focusing algorithms.
PFA ensures clarity of the image throughout the process of zooming
and shortens focus time. The realization of PFA technology substantially
improves user experience and increases product value.
Dahua cameras operate in extreme temperature environments, rated
for use in temperatures from -40 °C to +70 °C (-40 °F to +158 °F) with
95% humidity. Subjected to rigorous dust and water immersion tests
and certified to the IP67 Ingress Protection rating make it suitable for
demanding outdoor applications.
The camera allows for ±25% input voltage tolerance, suitable for the
most unstable conditions for outdoor applications. Its 8KV lightning rating
provides effective protection for both the camera and its structure against
The camera conforms to the ONVIF (Open Network Video Interface
Forum) specifications, ensuring interoperability between network video
products regardless of manufacturer.
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