Search Results for author: Maria-Irina Nicolae

Found 7 papers, 2 papers with code

Revisiting Neural Program Smoothing for Fuzzing

2 code implementations28 Sep 2023 Maria-Irina Nicolae, Max Eisele, Andreas Zeller

In this paper, we conduct the most extensive evaluation of NPS fuzzers against standard gray-box fuzzers (>11 CPU years and >5. 5 GPU years), and make the following contributions: (1) We find that the original performance claims for NPS fuzzers do not hold; a gap we relate to fundamental, implementation, and experimental limitations of prior works.

Benchmarking

Adversarial Robustness Toolbox v1.0.0

5 code implementations3 Jul 2018 Maria-Irina Nicolae, Mathieu Sinn, Minh Ngoc Tran, Beat Buesser, Ambrish Rawat, Martin Wistuba, Valentina Zantedeschi, Nathalie Baracaldo, Bryant Chen, Heiko Ludwig, Ian M. Molloy, Ben Edwards

Defending Machine Learning models involves certifying and verifying model robustness and model hardening with approaches such as pre-processing inputs, augmenting training data with adversarial samples, and leveraging runtime detection methods to flag any inputs that might have been modified by an adversary.

Adversarial Robustness BIG-bench Machine Learning +2

Adversarial Phenomenon in the Eyes of Bayesian Deep Learning

no code implementations22 Nov 2017 Ambrish Rawat, Martin Wistuba, Maria-Irina Nicolae

Deep Learning models are vulnerable to adversarial examples, i. e.\ images obtained via deliberate imperceptible perturbations, such that the model misclassifies them with high confidence.

Open-World Visual Recognition Using Knowledge Graphs

no code implementations28 Aug 2017 Vincent P. A. Lonij, Ambrish Rawat, Maria-Irina Nicolae

First, a knowledge-graph representation is learned to embed a large set of entities into a semantic space.

Knowledge Graphs

Efficient Defenses Against Adversarial Attacks

no code implementations21 Jul 2017 Valentina Zantedeschi, Maria-Irina Nicolae, Ambrish Rawat

Following the recent adoption of deep neural networks (DNN) accross a wide range of applications, adversarial attacks against these models have proven to be an indisputable threat.

Similarity Learning for Time Series Classification

no code implementations15 Oct 2016 Maria-Irina Nicolae, Éric Gaussier, Amaury Habrard, Marc Sebban

In this paper, we propose a novel method for learning similarities based on DTW, in order to improve time series classification.

Classification Dynamic Time Warping +4

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