1 code implementation • 16 Jul 2024 • Zachariah Carmichael, Timothy Redgrave, Daniel Gonzalez Cedre, Walter J. Scheirer
We combine concept-based neural networks with generative, flow-based classifiers into a novel, intrinsically explainable, exactly invertible approach to supervised learning.
1 code implementation • 28 Oct 2023 • Soumyendu Sarkar, Ashwin Ramesh Babu, Sajad Mousavi, Zachariah Carmichael, Vineet Gundecha, Sahand Ghorbanpour, Ricardo Luna, Gutierrez Antonio Guillen, Avisek Naug
We present a novel framework for generating adversarial benchmarks to evaluate the robustness of image classification models.
1 code implementation • 27 Oct 2023 • Zachariah Carmichael, Walter J. Scheirer
Surging interest in deep learning from high-stakes domains has precipitated concern over the inscrutable nature of black box neural networks.
no code implementations • 25 Sep 2023 • Zachariah Carmichael, Suhas Lohit, Anoop Cherian, Michael Jones, Walter Scheirer
Prototypical part neural networks (ProtoPartNNs), namely PROTOPNET and its derivatives, are an intrinsically interpretable approach to machine learning.
1 code implementation • 7 Aug 2023 • Sophia J. Abraham, Kehelwala D. G. Maduranga, Jeffery Kinnison, Zachariah Carmichael, Jonathan D. Hauenstein, Walter J. Scheirer
Traditional methods, like grid search and Bayesian optimization, often struggle to quickly adapt and efficiently search the loss landscape.
1 code implementation • 29 May 2022 • Zachariah Carmichael, Walter J Scheirer
We propose algorithms for the detection (CAD-Detect) and defense (CAD-Defend) of these attacks, which are aided by our novel conditional anomaly detection approach, KNN-CAD.
no code implementations • 16 Mar 2022 • William Theisen, Daniel Gonzalez Cedre, Zachariah Carmichael, Daniel Moreira, Tim Weninger, Walter Scheirer
On the internet, images are no longer static; they have become dynamic content.
1 code implementation • 16 Dec 2021 • Zachariah Carmichael, Tim Moon, Sam Ade Jacobs
Monumental advances in deep learning have led to unprecedented achievements across various domains.
Explainable Artificial Intelligence (XAI)
Image Classification
+1
1 code implementation • 15 Jun 2021 • Zachariah Carmichael, Walter J. Scheirer
In this work, we propose a framework for the evaluation of post hoc explainers on ground truth that is directly derived from the additive structure of a model.
no code implementations • 28 Mar 2021 • Sophia Abraham, Zachariah Carmichael, Sreya Banerjee, Rosaura VidalMata, Ankit Agrawal, Md Nafee Al Islam, Walter Scheirer, Jane Cleland-Huang
Computer vision approaches are widely used by autonomous robotic systems to sense the world around them and to guide their decision making as they perform diverse tasks such as collision avoidance, search and rescue, and object manipulation.
2 code implementations • 22 Apr 2020 • Nicholas Soures, David Chambers, Zachariah Carmichael, Anurag Daram, Dimpy P. Shah, Kal Clark, Lloyd Potter, Dhireesha Kudithipudi
The SARS-CoV-2 infectious outbreak has rapidly spread across the globe and precipitated varying policies to effectuate physical distancing to ameliorate its impact.
Populations and Evolution
no code implementations • 6 Aug 2019 • Hamed F. Langroudi, Zachariah Carmichael, David Pastuch, Dhireesha Kudithipudi
Additionally, the framework is amenable for different quantization approaches and supports mixed-precision floating point and fixed-point numerical formats.
no code implementations • 30 Jul 2019 • Hamed F. Langroudi, Zachariah Carmichael, Dhireesha Kudithipudi
Recently, the posit numerical format has shown promise for DNN data representation and compute with ultra-low precision ([5.. 8]-bit).
no code implementations • 1 Jul 2019 • Zachariah Carmichael, Humza Syed, Dhireesha Kudithipudi
Echo state networks are computationally lightweight reservoir models inspired by the random projections observed in cortical circuitry.
no code implementations • 25 Mar 2019 • Zachariah Carmichael, Hamed F. Langroudi, Char Khazanov, Jeffrey Lillie, John L. Gustafson, Dhireesha Kudithipudi
Our results indicate that posits are a natural fit for DNN inference, outperforming at $\leq$8-bit precision, and can be realized with competitive resource requirements relative to those of floating point.
no code implementations • 5 Dec 2018 • Zachariah Carmichael, Hamed F. Langroudi, Char Khazanov, Jeffrey Lillie, John L. Gustafson, Dhireesha Kudithipudi
We propose a precision-adaptable FPGA soft core for exact multiply-and-accumulate for uniform comparison across three numerical formats, fixed, floating-point and posit.
no code implementations • 20 Oct 2018 • Hamed F. Langroudi, Zachariah Carmichael, John L. Gustafson, Dhireesha Kudithipudi
Conventional reduced-precision numerical formats, such as fixed-point and floating point, cannot accurately represent deep neural network parameters with a nonlinear distribution and small dynamic range.
no code implementations • 1 Aug 2018 • Zachariah Carmichael, Humza Syed, Stuart Burtner, Dhireesha Kudithipudi
Neuro-inspired recurrent neural network algorithms, such as echo state networks, are computationally lightweight and thereby map well onto untethered devices.