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Oliver Thomas 0002

dblp:18/3788-2 · DBLP profile ↗
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2ranked-venue papers
0as first author
0since 2021 · last 2020
0000-0001-8162-9633ORCID · verified

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 2Graphics, computer vision, multimedia, augmented reality and games · 2

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
2 papers
Trustworthy machine learning · 92% Generative modeling · 8%

Topics — the 6 heaviest of 6, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Machine learning › Trustworthy machine learning
fairness
0.822020
Null-Sampling for Interpretable and Fair Representations · ECCV (26) 2020
Discovering Fair Representations in the Data Domain · CVPR 2019
Machine learning › Trustworthy machine learning › fairness
fair representation learning
0.822020
Null-Sampling for Interpretable and Fair Representations · ECCV (26) 2020
Discovering Fair Representations in the Data Domain · CVPR 2019
Machine learning › Trustworthy machine learning
interpretability
0.412020
Null-Sampling for Interpretable and Fair Representations · ECCV (26) 2020
Machine learning › Trustworthy machine learning › interpretability › explainable AI
interpretable representation
0.412020
Null-Sampling for Interpretable and Fair Representations · ECCV (26) 2020
Machine learning › Generative modeling › diffusion model › controllable generation
attribute manipulation
0.112019
Discovering Fair Representations in the Data Domain · CVPR 2019
Machine learning › Generative modeling › generative adversarial network
image-to-image translation
0.112019
Discovering Fair Representations in the Data Domain · CVPR 2019

Methods — techniques the papers use, named apart from their topics

null-sampling · 0.4residual statistics · 0.4data-to-data translation · 0.4
YearPublicationVenuePosition
2020 Null-Sampling for Interpretable and Fair Representations
Thomas Kehrenberg, Myles Bartlett, Oliver Thomas 0002, Novi Quadrianto
ECCV (26)3
2019 Discovering Fair Representations in the Data Domain
abstract
Interpretability and fairness are critical in computer vision and machine learning applications, in particular when dealing with human outcomes, e.g. inviting or not inviting for a job interview based on application materials that may include photographs. One promising direction to achieve fairness is by learning data representations that remove the semantics of protected characteristics, and are therefore able to mitigate unfair outcomes. All available models however learn latent embeddings which comes at the cost of being uninterpretable. We propose to cast this problem as data-to-data translation, i.e. learning a mapping from an input domain to a fair target domain, where a fairness definition is being enforced. Here the data domain can be images, or any tabular data representation. This task would be straightforward if we had fair target data available, but this is not the case. To overcome this, we learn a highly unconstrained mapping by exploiting statistics of residuals -- the difference between input data and its translated version -- and the protected characteristics. When applied to the CelebA dataset of face images with gender attribute as the protected characteristic, our model enforces equality of opportunity by adjusting the eyes and lips regions. Intriguingly, on the same dataset we arrive at similar conclusions when using semantic attribute representations of images for translation. On face images of the recent DiF dataset, with the same gender attribute, our method adjusts nose regions. In the Adult income dataset, also with protected gender attribute, our model achieves equality of opportunity by, among others, obfuscating the wife and husband relationship. Analyzing those systematic changes will allow us to scrutinize the interplay of fairness criterion, chosen protected characteristics, and prediction performance.
Novi Quadrianto, Viktoriia Sharmanska, Oliver Thomas 0002
CVPR3