Search Results for author: Kristofer E. Bouchard

Found 11 papers, 3 papers with code

The Artificial Intelligence Ontology: LLM-assisted construction of AI concept hierarchies

1 code implementation3 Apr 2024 Marcin P. Joachimiak, Mark A. Miller, J. Harry Caufield, Ryan Ly, Nomi L. Harris, Andrew Tritt, Christopher J. Mungall, Kristofer E. Bouchard

This approach not only ensures the ontology's relevance amidst the fast-paced advancements in AI but also significantly enhances its utility for researchers, developers, and educators by simplifying the integration of new AI concepts and methodologies.

AutoCT: Automated CT registration, segmentation, and quantification

no code implementations26 Oct 2023 Zhe Bai, Abdelilah Essiari, Talita Perciano, Kristofer E. Bouchard

The processing and analysis of computed tomography (CT) imaging is important for both basic scientific development and clinical applications.

Computed Tomography (CT) Segmentation

Critical Point-Finding Methods Reveal Gradient-Flat Regions of Deep Network Losses

no code implementations23 Mar 2020 Charles G. Frye, James Simon, Neha S. Wadia, Andrew Ligeralde, Michael R. DeWeese, Kristofer E. Bouchard

Despite the fact that the loss functions of deep neural networks are highly non-convex, gradient-based optimization algorithms converge to approximately the same performance from many random initial points.

Second-order methods

Hangul Fonts Dataset: a Hierarchical and Compositional Dataset for Investigating Learned Representations

no code implementations23 May 2019 Jesse A. Livezey, Ahyeon Hwang, Jacob Yeung, Kristofer E. Bouchard

Thus, HFD enables the identification of shortcomings in existing methods, a critical first step toward developing new machine learning algorithms to extract hierarchical and compositional structure in the context of naturalistic variability.

BIG-bench Machine Learning Representation Learning

Numerically Recovering the Critical Points of a Deep Linear Autoencoder

no code implementations29 Jan 2019 Charles G. Frye, Neha S. Wadia, Michael R. DeWeese, Kristofer E. Bouchard

Numerically locating the critical points of non-convex surfaces is a long-standing problem central to many fields.

Spiking Linear Dynamical Systems on Neuromorphic Hardware for Low-Power Brain-Machine Interfaces

no code implementations22 May 2018 David G. Clark, Jesse A. Livezey, Edward F. Chang, Kristofer E. Bouchard

Neuromorphic architectures achieve low-power operation by using many simple spiking neurons in lieu of traditional hardware.

Deep learning as a tool for neural data analysis: speech classification and cross-frequency coupling in human sensorimotor cortex

2 code implementations26 Mar 2018 Jesse A. Livezey, Kristofer E. Bouchard, Edward F. Chang

A fundamental challenge in neuroscience is to understand what structure in the world is represented in spatially distributed patterns of neural activity from multiple single-trial measurements.

General Classification

Bootstrapped Adaptive Threshold Selection for Statistical Model Selection and Estimation

no code implementations13 May 2015 Kristofer E. Bouchard

A central goal of neuroscience is to understand how activity in the nervous system is related to features of the external world, or to features of the nervous system itself.

Model Selection

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