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Biden administration announces program changes to attract international STEM students

Biden administration announces program changes to attract international STEM students Published: Jan. 21, 2022 at 11:47 a.m. ET By Associated Press ....

General Discussion , News Stories ,

"Towards Visualizing and Detecting Audio Adversarial Examples for Autom" by Wei Zong, Yang Wai Chow et al.

Automatic speech recognition (ASR) systems are now ubiquitous in many commonly used applications, as various commercial products rely on ASR techniques, which are increasingly based on machine learning, to transcribe voice commands into text for further processing. However, audio adversarial examples (AEs) have emerged as a serious security threat, as they have been shown to be able to fool ASR models into producing incorrect results. Although there are proposed methods to defend against audio AEs, the intrinsic properties of audio AEs compared with benign audio have not been well studied. In this paper, we show that the machine learning decision boundary patterns around audio AEs and benign audio are fundamentally different. In addition, using dimensionality reduction techniques, we show that these different patterns can be distinguished visually in 2D space. Based on dimensionality reduction results, this paper also demonstrates that it is feasible to detect previously unknown audio ....

Adversarial Example , Adversarial Machine Learning , Anomaly Detection ,