A Low-Power Microcontroller with Accuracy-Controlled Event-Driven Signal Processing Unit for Rare-Event Activity-Sensing IoT Devices

Figure 5

Atomic event generator (AEG) based on feature scanning window and signal segmentation.

(a) Configuration of signal scanning window for atomic event extraction

(b) Atomic event generator definition

(c) Examples of set of signal segment

(d) Representing various atomic events according to featured points