Privacy in Image Datasets: A Case Study on Pregnancy Ultrasounds
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866914311809531904 |
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| author | Lohanimit, Rawisara Wu, Yankun Katirai, Amelia Nakashima, Yuta Garcia, Noa |
| author_facet | Lohanimit, Rawisara Wu, Yankun Katirai, Amelia Nakashima, Yuta Garcia, Noa |
| contents | The rise of generative models has led to increased use of large-scale datasets collected from the internet, often with minimal or no data curation. This raises concerns about the inclusion of sensitive or private information. In this work, we explore the presence of pregnancy ultrasound images, which contain sensitive personal information and are often shared online. Through a systematic examination of LAION-400M dataset using CLIP embedding similarity, we retrieve images containing pregnancy ultrasound and detect thousands of entities of private information such as names and locations. Our findings reveal that multiple images have high-risk information that could enable re-identification or impersonation. We conclude with recommended practices for dataset curation, data privacy, and ethical use of public image datasets. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_07149 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Privacy in Image Datasets: A Case Study on Pregnancy Ultrasounds Lohanimit, Rawisara Wu, Yankun Katirai, Amelia Nakashima, Yuta Garcia, Noa Computer Vision and Pattern Recognition The rise of generative models has led to increased use of large-scale datasets collected from the internet, often with minimal or no data curation. This raises concerns about the inclusion of sensitive or private information. In this work, we explore the presence of pregnancy ultrasound images, which contain sensitive personal information and are often shared online. Through a systematic examination of LAION-400M dataset using CLIP embedding similarity, we retrieve images containing pregnancy ultrasound and detect thousands of entities of private information such as names and locations. Our findings reveal that multiple images have high-risk information that could enable re-identification or impersonation. We conclude with recommended practices for dataset curation, data privacy, and ethical use of public image datasets. |
| title | Privacy in Image Datasets: A Case Study on Pregnancy Ultrasounds |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2602.07149 |