Search Results for author: Ethan O. Nadler

Found 7 papers, 5 papers with code

Divergences in Color Perception between Deep Neural Networks and Humans

no code implementations11 Sep 2023 Ethan O. Nadler, Elise Darragh-Ford, Bhargav Srinivasa Desikan, Christian Conaway, Mark Chu, Tasker Hull, Douglas Guilbeault

Deep neural networks (DNNs) are increasingly proposed as models of human vision, bolstered by their impressive performance on image classification and object recognition tasks.

Image Classification Image Segmentation +3

Signal in Noise: Exploring Meaning Encoded in Random Character Sequences with Character-Aware Language Models

1 code implementation ACL 2022 Mark Chu, Bhargav Srinivasa Desikan, Ethan O. Nadler, D. Ruggiero Lo Sardo, Elise Darragh-Ford, Douglas Guilbeault

Natural language processing models learn word representations based on the distributional hypothesis, which asserts that word context (e. g., co-occurrence) correlates with meaning.

comp-syn: Perceptually Grounded Word Embeddings with Color

1 code implementation COLING 2020 Bhargav Srinivasa Desikan, Tasker Hull, Ethan O. Nadler, Douglas Guilbeault, Aabir Abubaker Kar, Mark Chu, Donald Ruggiero Lo Sardo

Popular approaches to natural language processing create word embeddings based on textual co-occurrence patterns, but often ignore embodied, sensory aspects of language.

Image Retrieval Word Embeddings

Constraints on the epoch of dark matter formation from Milky Way satellites

no code implementations2 Oct 2020 Subinoy Das, Ethan O. Nadler

A small fraction of thermalized dark radiation that transitions into cold dark matter (CDM) between big bang nucleosynthesis and matter-radiation equality can account for the entire dark matter relic density.

Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies High Energy Physics - Phenomenology

Constraints on Dark Matter Microphysics from the Milky Way Satellite Population

1 code implementation22 Apr 2019 Ethan O. Nadler, Vera Gluscevic, Kimberly K. Boddy, Risa H. Wechsler

Alternatives to the cold, collisionless dark matter (DM) paradigm in which DM behaves as a collisional fluid generically suppress small-scale structure.

Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology

Modeling the Connection Between Subhalos and Satellites in Milky Way-Like Systems

1 code implementation14 Sep 2018 Ethan O. Nadler, Yao-Yuan Mao, Gregory M. Green, Risa H. Wechsler

We develop a comprehensive and flexible model for the connection between satellite galaxies and dark matter subhalos in dark matter-only zoom-in simulations of Milky Way (MW)-mass host halos.

Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics

Modeling the Impact of Baryons on Subhalo Populations with Machine Learning

1 code implementation12 Dec 2017 Ethan O. Nadler, Yao-Yuan Mao, Risa H. Wechsler, Shea Garrison-Kimmel, Andrew Wetzel

We identify subhalos in dark matter-only (DMO) zoom-in simulations that are likely to be disrupted due to baryonic effects by using a random forest classifier trained on two hydrodynamic simulations of Milky Way (MW)-mass host halos from the Latte suite of the Feedback in Realistic Environments (FIRE) project.

Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics

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