Search Results for author: Raphael Olivier

Found 10 papers, 6 papers with code

Improving Membership Inference in ASR Model Auditing with Perturbed Loss Features

no code implementations2 May 2024 Francisco Teixeira, Karla Pizzi, Raphael Olivier, Alberto Abad, Bhiksha Raj, Isabel Trancoso

Membership Inference (MI) poses a substantial privacy threat to the training data of Automatic Speech Recognition (ASR) systems, while also offering an opportunity to audit these models with regard to user data.

There is more than one kind of robustness: Fooling Whisper with adversarial examples

1 code implementation26 Oct 2022 Raphael Olivier, Bhiksha Raj

Whisper is a recent Automatic Speech Recognition (ASR) model displaying impressive robustness to both out-of-distribution inputs and random noise.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

Watch What You Pretrain For: Targeted, Transferable Adversarial Examples on Self-Supervised Speech Recognition models

1 code implementation17 Sep 2022 Raphael Olivier, Hadi Abdullah, Bhiksha Raj

To exploit ASR models in real-world, black-box settings, an adversary can leverage the transferability property, i. e. that an adversarial sample produced for a proxy ASR can also fool a different remote ASR.

Adversarial Attack Automatic Speech Recognition +3

How many perturbations break this model? Evaluating robustness beyond adversarial accuracy

1 code implementation8 Jul 2022 Raphael Olivier, Bhiksha Raj

Finally, with sparsity we can measure increases in robustness that do not affect accuracy: we show for example that data augmentation can by itself increase adversarial robustness, without using adversarial training.

Adversarial Attack Adversarial Robustness +1

Recent improvements of ASR models in the face of adversarial attacks

1 code implementation29 Mar 2022 Raphael Olivier, Bhiksha Raj

Like many other tasks involving neural networks, Speech Recognition models are vulnerable to adversarial attacks.

speech-recognition Speech Recognition

Sequential Randomized Smoothing for Adversarially Robust Speech Recognition

1 code implementation EMNLP 2021 Raphael Olivier, Bhiksha Raj

We apply adaptive versions of state-of-the-art attacks, such as the Imperceptible ASR attack, to our model, and show that our strongest defense is robust to all attacks that use inaudible noise, and can only be broken with very high distortion.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

Exploiting Non-Linear Redundancy for Neural Model Compression

no code implementations28 May 2020 Muhammad A. Shah, Raphael Olivier, Bhiksha Raj

Deploying deep learning models, comprising of non-linear combination of millions, even billions, of parameters is challenging given the memory, power and compute constraints of the real world.

Model Compression

In-training Matrix Factorization for Parameter-frugal Neural Machine Translation

no code implementations27 Sep 2019 Zachary Kaden, Teven Le Scao, Raphael Olivier

In this paper, we propose the use of in-training matrix factorization to reduce the model size for neural machine translation.

Machine Translation Translation

Retrieval-Based Neural Code Generation

1 code implementation EMNLP 2018 Shirley Anugrah Hayati, Raphael Olivier, Pravalika Avvaru, Pengcheng Yin, Anthony Tomasic, Graham Neubig

In models to generate program source code from natural language, representing this code in a tree structure has been a common approach.

Code Generation Retrieval +2

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