AI at Edge
June 2, 2020 by Unizenweb with no comment AI at Edge
Most smart city applications today rely on analyzing large amounts of video data from cameras.
The ability to identify and reason over the most relevant events within a video is essential to build efficient and scalable applications.
The NVIDIA Jetson Nano-based brings in the Intelligent Video Analytics and Smart Cities category all offline at edge.
At the heart of the application is an auto-encoder model trained and running on a Jetson Nano using TensorFlow and Keras. This model learns the context of a scene with each oncoming frame of the video and develops the ability to flag anomalous events. The team proposes that these anomalous events can be processed using DeepStream SDK for additional inference–for example, to identify and track objects in the scene.
In a scene with continuous activity such as a busy road, this method of tracking the structure of the image and flagging major changes to the image as anomalies is better than a simple motion detection algorithm. In the video below, the application correctly flags anomalous events and in the process reduces the image feed by 100X.
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