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We investigate the impact of adversarial attacks against videos on the object detection and classification performance of industrial Machine Learning (ML) application. Specifically, we design the use case with the Intelligent Transportation System that processes real videos recorded by the vehicles’ dash cams and detects traffic lights and road signs in these videos. As the ML system, we employed Rekognition cloud service from Amazon, which is a commercial tool for on-demand object detection in the data of various modalities. To study Rekognition robustness to adversarial attacks, we manipulate the videos by adding the noise to them. We vary the intensity of the added noise by setting the ratio of randomly selected pixels affected by this noise. We then process the videos affected by the noise of various intensity and evaluate the performance demonstrated by Rekognition. As the evaluation metrics, we employ confidence scores provided by Rekognition, and the ratio of correct decisions that shows how successful is Rekognition in recognizing the patterns of interest in the frame. According to our results, even simple adversarial attacks of low intensity (up to 2% of the affected pixels in a single frame) result in a significant Rekognition performance decrease and require additional measures to improve the robustness and satisfy the industrial ML applications’ demands.more » « less
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