Search Results for author: Kion Fallah

Found 7 papers, 6 papers with code

Manifold Contrastive Learning with Variational Lie Group Operators

1 code implementation23 Jun 2023 Kion Fallah, Alec Helbling, Kyle A. Johnsen, Christopher J. Rozell

In this work, we propose a contrastive learning approach that directly models the latent manifold using Lie group operators parameterized by coefficients with a sparsity-promoting prior.

Contrastive Learning Representation Learning +1

PrefGen: Preference Guided Image Generation with Relative Attributes

1 code implementation1 Apr 2023 Alec Helbling, Christopher J. Rozell, Matthew O'Shaughnessy, Kion Fallah

Using information from a sequence of query responses, we can estimate user preferences over a set of image attributes and perform preference-guided image editing and generation.

Attribute Image Generation

Active Learning of Ordinal Embeddings: A User Study on Football Data

no code implementations26 Jul 2022 Christoffer Loeffler, Kion Fallah, Stefano Fenu, Dario Zanca, Bjoern Eskofier, Christopher John Rozell, Christopher Mutschler

We adapt an entropy-based active learning method with recent work from triplet mining to collect easy-to-answer but still informative annotations from human participants and use them to train a deep convolutional network that generalizes to unseen samples.

Active Learning Information Retrieval +3

Variational Sparse Coding with Learned Thresholding

2 code implementations7 May 2022 Kion Fallah, Christopher J. Rozell

Sparse coding strategies have been lauded for their parsimonious representations of data that leverage low dimensional structure.

Variational Inference

Oracle Guided Image Synthesis with Relative Queries

1 code implementation28 Apr 2022 Alec Helbling, Christopher John Rozell, Matthew O'Shaughnessy, Kion Fallah

Isolating and controlling specific features in the outputs of generative models in a user-friendly way is a difficult and open-ended problem.

Image Generation

Learning Identity-Preserving Transformations on Data Manifolds

1 code implementation22 Jun 2021 Marissa Connor, Kion Fallah, Christopher Rozell

However, these approaches are limited because they require transformation labels when training their models and they lack a method for determining which regions of the manifold are appropriate for applying each specific operator.

Learning sparse codes from compressed representations with biologically plausible local wiring constraints

1 code implementation NeurIPS 2020 Kion Fallah, Adam Willats, Ninghao Liu, Christopher Rozell

Unfortunately, current proposals for sparse coding in the compressed space require a centralized compression process (i. e., dense random matrix) that is biologically unrealistic due to local wiring constraints observed in neural circuits.

Dimensionality Reduction

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