What is Video Metadata?

Metadata refers to “data that provides information about other data”. In other words, it is “data about data. ”Metadata has various purposes. It helps users find relevant information and discover resources. Dahua Video Metadata technology with deep learning algorithm can detect, track, and capture images of people, vehicle and non-motor vehicle. It selects the best images and extracts attributes of targets to locate them immediately. In order to better enhance the value of its functions, We have added targets direction analysis and data statistics technology, which can be used for business analysis.


Extracts up to 28+ attributes of human, motor vehicle and non-motor vehicle in video, which can help pinpoint targets accurately.

Extracts multiple attributes of the target with high detection rate and high accuracy, which can quickly and accurately detect and analyze various targets.

Offers AI search to locate specified targets using attributes of targets or human body images.

Customers can use the number and direction of people, motor vehicle and non-vehicle for statistical reports and business analysis.


IP Solution

Video Metadata


  • Supports multiple attributes.
  • Supports flow statistics and report export.
  • Supports Attributes Analysis and Quick Target Location.
  • Low requirements for network bandwidth. Reduces transmission pressure.

Typical Scenario


Using video metadata makes up for the lack of coverage of face and vehicle cameras, increases the integrity of pedestrian and vehicle evidences, and effectively improves the security personnel’s ability to detect cases.

City Road

There are lots of traffic accidents on city roads everyday. The video metadata technology increases the efficiency of case investigation by providing additional details of the target vehicle. It can also obtain more vehicle attribute for further surveillance.