no code implementations • 5 Dec 2024 • Haoyang Li, Marko Stamenkovic, Alexander Shmakov, Michael Fenton, Darius Shih-Chieh Chao, Kaitlyn Maiya White, Caden Mikkelsen, Jovan Mitic, Cristina Mantilla Suarez, Melissa Quinnan, Greg Landsberg, Harvey Newman, Pierre Baldi, Daniel Whiteson, Javier Duarte
However, the complexity of jet assignment increases when simultaneously considering both $H\rightarrow b\bar{b}$ reconstruction possibilities, i. e., two "resolved" small-radius jets each containing a shower initiated by a $b$-quark or one "boosted" large-radius jet containing a merged shower initiated by a $b\bar{b}$ pair.
no code implementations • 13 Oct 2024 • KyungMin Kim, JB Lanier, Pierre Baldi, Charless Fowlkes, Roy Fox
Training in the presence of visual distractions is particularly difficult due to the high variation they introduce to representation learning.
no code implementations • 2 Oct 2024 • KyungMin Kim, Davide Corsi, Andoni Rodriguez, JB Lanier, Benjami Parellada, Pierre Baldi, Cesar Sanchez, Roy Fox
For real-world robotic domains, it is essential to define safety specifications over continuous state and action spaces to accurately account for system dynamics and compute new actions that minimally deviate from the agent's original decision.
no code implementations • 15 May 2024 • Pierre Baldi, Antonios Alexos, Ian Domingo, Alireza Rahmansetayesh
However, gradient descent on the regularized error function ought to converge to a balanced state, and thus network balance can be used to assess learning progress.
no code implementations • 22 Apr 2024 • Alexander Shmakov, Kevin Greif, Michael James Fenton, Aishik Ghosh, Pierre Baldi, Daniel Whiteson
The measurements performed by particle physics experiments must account for the imperfect response of the detectors used to observe the interactions.
no code implementations • 15 Mar 2024 • Antonios Alexos, Yu-Dai Tsai, Ian Domingo, Maryam Pishgar, Pierre Baldi
Creating controlled methods to simulate neurodegeneration in artificial intelligence (AI) is crucial for applications that emulate brain function decline and cognitive disorders.
no code implementations • 8 Mar 2024 • Shahriar Hojjati Emmami, Ali Pilehvar Meibody, Lobat Tayebi, Mohammadamin Tavakoli, Pierre Baldi
The deliberate manipulation of ammonium persulfate, methylenebisacrylamide, dimethyleacrylamide, and polyethylene oxide concentrations resulted in the development of a hydrogel with an exceptional stretchability, capable of extending up to 260 times its original length.
no code implementations • 5 Mar 2024 • Antonios Alexos, Pierre Baldi
In addition to speech generation, speech editing is also a crucial task, which requires the seamless and unnoticeable integration of edited speech into synthesized speech.
no code implementations • 28 Dec 2023 • Sabino Miranda, Obdulia Pichardo-Lagunas, Bella Martínez-Seis, Pierre Baldi
This study evaluates the performance of large language models, specifically GPT-3. 5 and BARD (supported by Gemini Pro model), in undergraduate admissions exams proposed by the National Polytechnic Institute in Mexico.
no code implementations • 16 Dec 2023 • Antonios Alexos, Junze Liu, Akash Tiwari, Kshitij Bhardwaj, Sean Hayes, Pierre Baldi, Satish Bukkapatnam, Suhas Bhandarkar
In Inertial Confinement Fusion (ICF) process, roughly a 2mm spherical shell made of high density carbon is used as target for laser beams, which compress and heat it to energy levels needed for high fusion yield.
no code implementations • 5 Sep 2023 • Michael James Fenton, Alexander Shmakov, Hideki Okawa, Yuji Li, Ko-Yang Hsiao, Shih-Chieh Hsu, Daniel Whiteson, Pierre Baldi
We explore the performance of the extended capability of SPA-NET in the context of semi-leptonic decays of top quark pairs as well as top quark pairs produced in association with a Higgs boson.
no code implementations • 21 Jul 2023 • Kolby Nottingham, Yasaman Razeghi, KyungMin Kim, JB Lanier, Pierre Baldi, Roy Fox, Sameer Singh
Large language models (LLMs) are being applied as actors for sequential decision making tasks in domains such as robotics and games, utilizing their general world knowledge and planning abilities.
2 code implementations • NeurIPS 2023 • Sungduk Yu, Zeyuan Hu, Akshay Subramaniam, Walter Hannah, Liran Peng, Jerry Lin, Mohamed Aziz Bhouri, Ritwik Gupta, Björn Lütjens, Justus C. Will, Gunnar Behrens, Julius J. M. Busecke, Nora Loose, Charles I. Stern, Tom Beucler, Bryce Harrop, Helge Heuer, Benjamin R. Hillman, Andrea Jenney, Nana Liu, Alistair White, Tian Zheng, Zhiming Kuang, Fiaz Ahmed, Elizabeth Barnes, Noah D. Brenowitz, Christopher Bretherton, Veronika Eyring, Savannah Ferretti, Nicholas Lutsko, Pierre Gentine, Stephan Mandt, J. David Neelin, Rose Yu, Laure Zanna, Nathan Urban, Janni Yuval, Ryan Abernathey, Pierre Baldi, Wayne Chuang, Yu Huang, Fernando Iglesias-Suarez, Sanket Jantre, Po-Lun Ma, Sara Shamekh, Guang Zhang, Michael Pritchard
As an extension of the ClimSim dataset (Yu et al., 2024), we present ClimSim-Online, which also includes an end-to-end workflow for developing hybrid ML-physics simulators.
no code implementations • 19 May 2023 • Junze Liu, Aishik Ghosh, Dylan Smith, Pierre Baldi, Daniel Whiteson
Generation of simulated detector response to collision products is crucial to data analysis in particle physics, but computationally very expensive.
1 code implementation • NeurIPS 2023 • Geunwoo Kim, Pierre Baldi, Stephen Mcaleer
We compare multiple LLMs and find that RCI with the InstructGPT-3+RLHF LLM is state-of-the-art on MiniWoB++, using only a handful of demonstrations per task rather than tens of thousands, and without a task-specific reward function.
no code implementations • 10 Mar 2023 • Alexander Shmakov, Alejandro Yankelevich, Jianming Bian, Pierre Baldi
TransformerCVN classifies events with 90\% accuracy and improves the reconstruction of individual particles by 6\% over baseline methods which lack the integrated architecture of TransformerCVN.
no code implementations • 16 Dec 2022 • Junze Liu, Aishik Ghosh, Dylan Smith, Pierre Baldi, Daniel Whiteson
Calorimeter shower simulations are often the bottleneck in simulation time for particle physics detectors.
no code implementations • 19 Jul 2022 • JB Lanier, Stephen Mcaleer, Pierre Baldi, Roy Fox
In this paper, we propose Feasible Adversarial Robust RL (FARR), a novel problem formulation and objective for automatically determining the set of environment parameter values over which to be robust.
no code implementations • 13 Jul 2022 • Stephen Mcaleer, JB Lanier, Kevin Wang, Pierre Baldi, Roy Fox, Tuomas Sandholm
Instead of adding only deterministic best responses to the opponent's least exploitable population mixture, SP-PSRO also learns an approximately optimal stochastic policy and adds it to the population as well.
no code implementations • 6 Jun 2022 • Alexander Shmakov, Mohammadamin Tavakoli, Pierre Baldi, Christopher M. Karwin, Alex Broughton, Simona Murgia
A significant point-like component from the small scale (or discrete) structure in the H2 interstellar gas might be present in the Fermi-LAT data, but modeling this emission relies on observations of rare gas tracers only available in limited regions of the sky.
no code implementations • 15 Feb 2022 • Pierre Baldi, Roman Vershynin
The gating mechanisms correspond to multiplicative extensions of the standard model and are used across all current attention-based deep learning architectures.
no code implementations • 19 Jan 2022 • Stephen Mcaleer, Kevin Wang, John Lanier, Marc Lanctot, Pierre Baldi, Tuomas Sandholm, Roy Fox
PSRO is based on the tabular double oracle (DO) method, an algorithm that is guaranteed to converge to a Nash equilibrium, but may increase exploitability from one iteration to the next.
Multi-agent Reinforcement Learning
reinforcement-learning
+3
no code implementations • 2 Jan 2022 • Mohammadamin Tavakoli, Alexander Shmakov, Francesco Ceccarelli, Pierre Baldi
To achieve such skills, it is important to develop good representations of chemical reactions, or good deep learning architectures that can learn such representations automatically from the data.
1 code implementation • 13 Jul 2021 • Mohammadamin Tavakoli, Peter Sadowski, Pierre Baldi
The circular autoencoders are trained in self-supervised mode by recirculation algorithms and the top layer in supervised mode by stochastic gradient descent, with the option of propagating error information through the entire stack using non-symmetric connections.
1 code implementation • 7 Jun 2021 • Alexander Shmakov, Michael James Fenton, Ta-Wei Ho, Shih-Chieh Hsu, Daniel Whiteson, Pierre Baldi
The creation of unstable heavy particles at the Large Hadron Collider is the most direct way to address some of the deepest open questions in physics.
no code implementations • 7 Jun 2021 • Stephen Mcaleer, John Lanier, Michael Dennis, Pierre Baldi, Roy Fox
Machine learning algorithms often make decisions on behalf of agents with varied and sometimes conflicting interests.
no code implementations • 24 Mar 2021 • Mohammadamin Tavakoli, Aaron Mood, David Van Vranken, Pierre Baldi
There is a lack of scalable quantitative measures of reactivity for functional groups in organic chemistry.
1 code implementation • NeurIPS 2021 • Stephen Mcaleer, John Lanier, Kevin Wang, Pierre Baldi, Roy Fox
NXDO is the first deep RL method that can find an approximate Nash equilibrium in high-dimensional continuous-action sequential games.
no code implementations • 19 Feb 2021 • Pierre Baldi, Roman Vershynin
Motivated by biological considerations, we study sparse neural maps from an input layer to a target layer with sparse activity, and specifically the problem of storing $K$ input-target associations $(x, y)$, or memories, when the target vectors $y$ are sparse.
no code implementations • 8 Feb 2021 • Forest Agostinelli, Alexander Shmakov, Stephen Mcaleer, Roy Fox, Pierre Baldi
We use Q* search to solve the Rubik's cube when formulated with a large action space that includes 1872 meta-actions and find that this 157-fold increase in the size of the action space incurs less than a 4-fold increase in computation time and less than a 3-fold increase in number of nodes generated when performing Q* search.
no code implementations • 30 Jan 2021 • Jordan Ott, David Bruyette, Cody Arbuckle, Dylan Balsz, Silke Hecht, Lisa Shubitz, Pierre Baldi
We also use the classification model to identify regions of interest and localize the disease in the radiographic images, as illustrated through visual heatmaps.
no code implementations • 22 Dec 2020 • Pierre Baldi, Lukas Blecher, Anja Butter, Julian Collado, Jessica N. Howard, Fabian Keilbach, Tilman Plehn, Gregor Kasieczka, Daniel Whiteson
QCD-jets at the LHC are described by simple physics principles.
Super-Resolution
High Energy Physics - Phenomenology
no code implementations • 11 Dec 2020 • Junze Liu, Jordan Ott, Julian Collado, Benjamin Jargowsky, Wenjie Wu, Jianming Bian, Pierre Baldi
To precisely reconstruct these kinematic characteristics of detected interactions at DUNE, we have developed and will present two CNN-based methods, 2-D and 3-D, for the reconstruction of final state particle direction and energy, as well as neutrino energy.
no code implementations • 10 Nov 2020 • Stephen Mcaleer, Alex Fast, Yuntian Xue, Magdalene Seiler, William Tang, Mihaela Balu, Pierre Baldi, Andrew W. Browne
The skin dataset includes 550 images for each of the resolution levels.
1 code implementation • 3 Nov 2020 • Julian Collado, Jessica N. Howard, Taylor Faucett, Tony Tong, Pierre Baldi, Daniel Whiteson
We investigate whether state-of-the-art classification features commonly used to distinguish electrons from jet backgrounds in collider experiments are overlooking valuable information.
Data Analysis, Statistics and Probability High Energy Physics - Experiment High Energy Physics - Phenomenology
1 code implementation • 19 Oct 2020 • Michael James Fenton, Alexander Shmakov, Ta-Wei Ho, Shih-Chieh Hsu, Daniel Whiteson, Pierre Baldi
Top quarks, produced in large numbers at the Large Hadron Collider, have a complex detector signature and require special reconstruction techniques.
no code implementations • 29 Jul 2020 • Lars Hertel, Pierre Baldi, Daniel L. Gillen
Reinforcement learning algorithms can show strong variation in performance between training runs with different random seeds.
no code implementations • 16 Jun 2020 • Mohammadamin Tavakoli, Forest Agostinelli, Pierre Baldi
Furthermore, we show that SPLASH units significantly increase the robustness of deep neural networks to adversarial attacks.
2 code implementations • NeurIPS 2020 • Stephen McAleer, John Lanier, Roy Fox, Pierre Baldi
We also introduce an open-source environment for Barrage Stratego, a variant of Stratego with an approximate game tree complexity of $10^{50}$.
1 code implementation • 8 May 2020 • Lars Hertel, Julian Collado, Peter Sadowski, Jordan Ott, Pierre Baldi
Sherpa is a hyperparameter optimization library for machine learning models.
no code implementations • 17 Apr 2020 • Mohammadamin Tavakoli, Pierre Baldi
In order to continuously represent molecules, we propose a generative model in the form of a VAE which is operating on the 2D-graph structure of molecules.
2 code implementations • 14 Apr 2020 • Jordan Ott, Mike Pritchard, Natalie Best, Erik Linstead, Milan Curcic, Pierre Baldi
Implementing artificial neural networks is commonly achieved via high-level programming languages like Python and easy-to-use deep learning libraries like Keras.
no code implementations • 10 Dec 2019 • Alexander Shmakov, John Lanier, Stephen Mcaleer, Rohan Achar, Cristina Lopes, Pierre Baldi
Much of recent success in multiagent reinforcement learning has been in two-player zero-sum games.
Multiagent Systems
no code implementations • 25 Sep 2019 • Mohammadamin Tavakoli, Forest Agostinelli, Pierre Baldi
Finally, we show that the use of Symmetric-APL activations can significantly increase the robustness of deep neural networks to adversarial attacks.
1 code implementation • 23 Sep 2019 • Jordan Ott, Erik Linstead, Nicholas LaHaye, Pierre Baldi
Weight-sharing is one of the pillars behind Convolutional Neural Networks and their successes.
4 code implementations • 3 Sep 2019 • Tom Beucler, Michael Pritchard, Stephan Rasp, Jordan Ott, Pierre Baldi, Pierre Gentine
Neural networks can emulate nonlinear physical systems with high accuracy, yet they may produce physically-inconsistent results when violating fundamental constraints.
Computational Physics Atmospheric and Oceanic Physics
1 code implementation • 9 Jun 2019 • John B. Lanier, Stephen Mcaleer, Pierre Baldi
Dealing with sparse rewards is a longstanding challenge in reinforcement learning.
no code implementations • ICLR 2019 • Peter Sadowski, Pierre Baldi
We show that each target can be modeled as a sample from a Dirichlet distribution, where the parameters of the Dirichlet are provided by the output of a neural network, and that the combined model can be trained using the gradient of the data likelihood.
no code implementations • ICLR 2019 • Stephen McAleer, Forest Agostinelli, Alexander Shmakov, Pierre Baldi
Autodidactic Iteration is able to learn how to solve the Rubik’s Cube and the 15-puzzle without relying on human data.
no code implementations • 2 Jan 2019 • Pierre Baldi, Roman Vershynin
Here we define the capacity of an architecture by the binary logarithm of the number of functions it can compute, as the synaptic weights are varied.
no code implementations • NeurIPS 2018 • Pierre Baldi, Roman Vershynin
We define the capacity of a learning machine to be the logarithm of the number (or volume) of the functions it can implement.
no code implementations • 16 Nov 2018 • Lingge Li, Nitish Nayak, Jianming Bian, Pierre Baldi
The unified approach of Feldman and Cousins allows for exact statistical inference of small signals that commonly arise in high energy physics.
9 code implementations • 18 May 2018 • Stephen McAleer, Forest Agostinelli, Alexander Shmakov, Pierre Baldi
A generally intelligent agent must be able to teach itself how to solve problems in complex domains with minimal human supervision.
no code implementations • 22 Dec 2017 • Pierre Baldi, Peter Sadowski, Zhiqin Lu
Specifically, random backpropagation and its variations can be performed with the same non-linear neurons used in the main input-output forward channel, and the connections in the learning channel can be adapted using the same algorithm used in the forward channel, removing the need for any specialized hardware in the learning channel.
1 code implementation • 6 Jun 2017 • Peter Sadowski, Balint Radics, Ananya, Yasunori Yamazaki, Pierre Baldi
Antihydrogen is at the forefront of antimatter research at the CERN Antiproton Decelerator.
no code implementations • 10 Mar 2017 • Chase Shimmin, Peter Sadowski, Pierre Baldi, Edison Weik, Daniel Whiteson, Edward Goul, Andreas Søgaard
We describe a strategy for constructing a neural network jet substructure tagger which powerfully discriminates boosted decay signals while remaining largely uncorrelated with the jet mass.
no code implementations • 8 Dec 2016 • Pierre Baldi, Peter Sadowski, Zhiqin Lu
It is remarkable both because of its effectiveness, in spite of using random matrices to communicate error information, and because it completely removes the taxing requirement of maintaining symmetric weights in a physical neural system.
no code implementations • 28 Jan 2016 • Evan Racah, Seyoon Ko, Peter Sadowski, Wahid Bhimji, Craig Tull, Sang-Yun Oh, Pierre Baldi, Prabhat
Experiments in particle physics produce enormous quantities of data that must be analyzed and interpreted by teams of physicists.
2 code implementations • 28 Jan 2016 • Pierre Baldi, Kyle Cranmer, Taylor Faucett, Peter Sadowski, Daniel Whiteson
We investigate a new structure for machine learning classifiers applied to problems in high-energy physics by expanding the inputs to include not only measured features but also physics parameters.
BIG-bench Machine Learning
Vocal Bursts Intensity Prediction
no code implementations • 22 Jun 2015 • Pierre Baldi, Peter Sadowski
The nature of the communicated information about the targets and the structure of the learning channel partition the space of learning algorithms.
3 code implementations • 21 Dec 2014 • Forest Agostinelli, Matthew Hoffman, Peter Sadowski, Pierre Baldi
Artificial neural networks typically have a fixed, non-linear activation function at each neuron.
Ranked #176 on
Image Classification
on CIFAR-100
(using extra training data)
no code implementations • NeurIPS 2014 • Peter J. Sadowski, Daniel Whiteson, Pierre Baldi
Particle colliders enable us to probe the fundamental nature of matter by observing exotic particles produced by high-energy collisions.
no code implementations • 13 Oct 2014 • Pierre Baldi, Peter Sadowski, Daniel Whiteson
The Higgs boson is thought to provide the interaction that imparts mass to the fundamental fermions, but while measurements at the Large Hadron Collider (LHC) are consistent with this hypothesis, current analysis techniques lack the statistical power to cross the traditional 5$\sigma$ significance barrier without more data.
2 code implementations • 19 Feb 2014 • Pierre Baldi, Peter Sadowski, Daniel Whiteson
Standard approaches have relied on `shallow' machine learning models that have a limited capacity to learn complex non-linear functions of the inputs, and rely on a pain-staking search through manually constructed non-linear features.
High Energy Physics - Phenomenology High Energy Physics - Experiment
no code implementations • NeurIPS 2013 • Pierre Baldi, Peter J. Sadowski
Dropout is a relatively new algorithm for training neural networks which relies on stochastically dropping out'' neurons during training in order to avoid the co-adaptation of feature detectors.
no code implementations • 20 Aug 2011 • Pierre Baldi, Zhiqin Lu
The general framework described here is useful to classify autoencoders and identify general common properties that ought to be investigated for each class, illuminating some of the connections between information theory, unsupervised learning, clustering, Hebbian learning, and autoencoders.