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Event camera is a new type of sensor that is different from traditionalcameras. Each pixel is triggered asynchronously by an event. The trigger eventis the change of the brightness irradiated on the pixel. If the increment ordecrement is higher than a certain threshold, the event is output. Comparedwith traditional cameras, event cameras have the advantages of high temporalresolution, low latency, high dynamic range, low bandwidth and low powerconsumption. We carried out a series of observation experiments in a simulatedspace lighting environment. The experimental results show that the event cameracan give full play to the above advantages in space situational awareness. Thisarticle first introduces the basic principles of the event camera, thenanalyzes its advantages and disadvantages, then introduces the observationexperiment and analyzes the experimental results, and finally, a workflow ofspace situational awareness based on event cameras is given.

A Preliminary Research on Space Situational Awareness Based on Event Cameras