ONVIF®, the global standardisation initiative for IP-based physical security products, has introduced the Release Candidate for Profile M. This draft specification standardises the communication of metadata and event handling of analytics for smart applications. It paves the way for increased interoperability of IP cameras or analytics applications with video management systems, and easier integration with IoT (Internet of Things) systems.

Profile M provides a standard way of communicating metadata between edge devices or services, such as IP cameras or analytics apps for devices, and clients, such as video management software (VMS), network video recorders or server- or cloud-based services.

Video management software

This means that systems integrators and end users can flexibly mix and match solutions from different providers of analytics, edge devices, and video management software or cloud services, together with IoT applications, into one system.

Profile M will be a compelling ONVIF profile for camera and VMS vendors"

Profile M will be a compelling ONVIF profile for camera and VMS vendors, and independent developers of edge-, server- or cloud-based services,” said Sriram Bhetanabottla, Chair of the ONVIF Profile M Working Group. “The rise in the number of smart applications for security, business intelligence and IoT devices is driving interoperability demands. Profile M apps will have wide compatibility, and this will encourage further growth in the number and types of applications and result in even greater choice for end users.”

Licence plate recognition

The ONVIF Profile M Release Candidate supports analytics configuration and information query for metadata, as well as filtering and streaming of metadata. It has interfaces for generic object classification and specified metadata for geolocation, vehicle, licence plate, human face and human body.

Profile M also defines interfaces for rule configuration for events, event handling for apps that support people counting, and face and licence plate recognition, and events using JSON (JavaScript Object Notation) and the MQTT (Message Queuing Telemetry Transport) protocol for IoT applications. Use cases for metadata include highlighting objects of interest in a video stream, heat mapping in a retail store using human and geolocation metadata and vehicle mapping in a parking lot using vehicle and geolocation metadata.

Event-handling interface

Profile M can be combined with other ONVIF video and access control profiles for an integrated system

Use cases for Profile M event handling interfaces include crowd control or queue management through people counting analytics and access control in a parking lot through license plate recognition apps.

For an IoT application, the Profile M event-handling interface can be used, for instance, for room temperature control, where a Profile M camera (with MQTT support) detects humans in a room and sends an ONVIF event over MQTT to an IoT platform or application that, in turn, triggers a smart thermostat to adjust the room temperature. Profile M can be combined with other ONVIF video and access control profiles for an integrated system based on ONVIF interfaces.

Video recording and storage

Founded in 2008, ONVIF is a pioneer and well-recognised industry forum driving interoperability for IP-based physical security products. The organisation has a global member base of established camera, video management system and access control companies and more than 19,000 profile conformant products.

ONVIF offers Profile S for streaming video; Profile G for video recording and storage; Profile C for physical access control; Profile Q for improved out-of-the-box functionality; Profile A for broader access control configuration; Profile T for advanced video streaming and the release candidate for Profile D for access control peripherals. ONVIF continues to work with its members to expand the number of IP interoperability solutions ONVIF conformant products can provide.

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