Oscillated Projection of Adversarial Light (OPAL)

Document Type

Abstract

Publication Date

Spring 5-1-2024

Abstract

OPAL, or Oscillated Projection of Adversarial Light, is an attempt to realize modern day research into adversarial examples by way of a device that uses light itself as a perturbation. A Raspberry Pi 4 is used to play tones on a speaker; a mounted laser then casts light onto a mirror which is oscillated by the sound playing. This configuration projects patterns onto a road sign which is then evaluated by an object detection model running on the Pi. The inference with the maximum loss is the optimal example which is then projected onto the sign statically. This allows attackers to remotely deploy attacks against autonomous vehicles. In addition, it offers manufacturers a device to test their models against for adversarial interference.

Comments

Completed as part of the Computer Science Senior Capstone Project.

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