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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2402.09786 |
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| _version_ | 1866916372374618112 |
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| author | Grissom II, Alvin Lei, Ryan F. Gusdorff, Matt Neto, Jeova Farias Sales Rocha Lin, Bailey Trotter, Ryan |
| author_facet | Grissom II, Alvin Lei, Ryan F. Gusdorff, Matt Neto, Jeova Farias Sales Rocha Lin, Bailey Trotter, Ryan |
| contents | Generative adversarial networks (GANs) generate photorealistic faces that are often indistinguishable by humans from real faces. While biases in machine learning models are often assumed to be due to biases in training data, we find pathological internal color and luminance biases in the discriminator of a pre-trained StyleGAN3-r model that are not explicable by the training data. We also find that the discriminator systematically stratifies scores by both image- and face-level qualities and that this disproportionately affects images across gender, race, and other categories. We examine axes common in research on stereotyping in social psychology. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_09786 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Examining Pathological Bias in a Generative Adversarial Network Discriminator: A Case Study on a StyleGAN3 Model Grissom II, Alvin Lei, Ryan F. Gusdorff, Matt Neto, Jeova Farias Sales Rocha Lin, Bailey Trotter, Ryan Computer Vision and Pattern Recognition Artificial Intelligence Computers and Society Machine Learning Generative adversarial networks (GANs) generate photorealistic faces that are often indistinguishable by humans from real faces. While biases in machine learning models are often assumed to be due to biases in training data, we find pathological internal color and luminance biases in the discriminator of a pre-trained StyleGAN3-r model that are not explicable by the training data. We also find that the discriminator systematically stratifies scores by both image- and face-level qualities and that this disproportionately affects images across gender, race, and other categories. We examine axes common in research on stereotyping in social psychology. |
| title | Examining Pathological Bias in a Generative Adversarial Network Discriminator: A Case Study on a StyleGAN3 Model |
| topic | Computer Vision and Pattern Recognition Artificial Intelligence Computers and Society Machine Learning |
| url | https://arxiv.org/abs/2402.09786 |