Search Results for author: Timo Hartmann

Found 4 papers, 0 papers with code

COIN: Counterfactual Image Generation for VQA Interpretation

no code implementations10 Jan 2022 Zeyd Boukhers, Timo Hartmann, Jan Jürjens

Specifically, the generated image is supposed to have the minimal possible change to the original image and leads the VQA model to give a different answer.

counterfactual Image Generation +2

Demographic Inference and Representative Population Estimates from Multilingual Social Media Data

no code implementations15 May 2019 Zijian Wang, Scott A. Hale, David Adelani, Przemyslaw A. Grabowicz, Timo Hartmann, Fabian Flöck, David Jurgens

In a large experiment over multilingual heterogeneous European regions, we show that our demographic inference and bias correction together allow for more accurate estimates of populations and make a significant step towards representative social sensing in downstream applications with multilingual social media.

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