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Child Sexual Abuse Media (CSAM) is any visual record of a sexually-explicit activity involving minors. CSAM impacts victims differently from the actual abuse because the distribution never ends, and images are permanent. Machine…

Machine Learning · Computer Science 2021-10-29 Mayana Pereira , Rahul Dodhia , Hyrum Anderson , Richard Brown

Child sexual abuse materials (CSAM) pose a significant threat to the safety and well-being of children worldwide. Detecting and preventing the distribution of such materials is a critical task for law enforcement agencies and technology…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Weronika Gutfeter , Joanna Gajewska , Andrzej Pacut

The development of generative artificial intelligence (AI) tools capable of producing wholly or partially synthetic child sexual abuse material (AI CSAM) presents profound challenges for child protection, law enforcement, and societal…

Computers and Society · Computer Science 2025-10-06 Caoilte Ó Ciardha , John Buckley , Rebecca S. Portnoff

Child Sexual Abuse Imagery (CSAI) classification is an important yet challenging problem for computer vision research due to the strict legal and ethical restrictions that prevent the public sharing of CSAI datasets. This limitation hinders…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Carlos Caetano , Camila Laranjeira , Clara Ernesto , Artur Barros , João Macedo , Leo S. F. Ribeiro , Jefersson A. dos Santos , Sandra Avila

The online sharing and viewing of Child Sexual Abuse Material (CSAM) are growing fast, such that human experts can no longer handle the manual inspection. However, the automatic classification of CSAM is a challenging field of research,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Camila Laranjeira , João Macedo , Sandra Avila , Jefersson A. dos Santos

Text-to-image generative models can produce photo-realistic images for an extremely broad range of concepts, and their usage has proliferated widely among the general public. On the flip side, these models have numerous drawbacks, including…

Machine Learning · Computer Science 2023-10-10 Minh Pham , Kelly O. Marshall , Niv Cohen , Govind Mittal , Chinmay Hegde

Text-to-image diffusion models have been demonstrated with undesired generation due to unfiltered large-scale training data, such as sexual images and copyrights, necessitating the erasure of undesired concepts. Most existing methods focus…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Zheling Meng , Bo Peng , Xiaochuan Jin , Yue Jiang , Wei Wang , Jing Dong , Tieniu Tan

This paper aims to present new alarming trends in the field of child sexual abuse through imagery, as part of SafeLine's research activities in the field of cybercrime, child sexual abuse material and the protection of children's rights to…

Computers and Society · Computer Science 2025-03-04 Emmanouela Kokolaki , Paraskevi Fragopoulou

The distribution of child sexual abuse imagery (CSAI) is an ever-growing concern of our modern world; children who suffered from this heinous crime are revictimized, and the growing amount of illegal imagery distributed overwhelms law…

Machine Learning · Computer Science 2026-04-21 Thamiris Coelho , Leo S. F. Ribeiro , João Macedo , Jefersson A. dos Santos , Sandra Avila

Client-Side Scanning (CSS) see in the Child Sexual Abuse Material Detection (CSAMD) represent ubiquitous mass scanning. Apple proposed to scan their systems for such imagery. CSAMD was since pushed back, but the European Union decided to…

Computers and Society · Computer Science 2022-05-31 Kaspar Rosager Ludvigsen , Shishir Nagaraja , Angela Daly

In 2022, AI image generators crossed a threshold, enabling much more efficient and dynamic production of photorealistic deepfake images than before. This enabled opportunities for creative and positive uses of these models. However, it also…

Computers and Society · Computer Science 2026-05-26 Max Kamachee , Stephen Casper , Michelle L. Ding , Rui-Jie Yew , Anka Reuel , Stella Biderman , Dylan Hadfield-Menell

Text-to-Image models such as Stable Diffusion have shown impressive image generation synthesis, thanks to the utilization of large-scale datasets. However, these datasets may contain sexually explicit, copyrighted, or undesirable content,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Seunghoo Hong , Juhun Lee , Simon S. Woo

Recent advance in text-to-image diffusion models have significantly facilitated the generation of high-quality images, but also raising concerns about the illegal creation of harmful content, such as copyrighted images. Existing concept…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Zihao Wang , Yuxiang Wei , Fan Li , Renjing Pei , Hang Xu , Wangmeng Zuo

Text-to-Image (T2I) models have made remarkable progress in generating high-quality, diverse visual content from natural language prompts. However, their ability to reproduce copyrighted styles, sensitive imagery, and harmful content raises…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Changhoon Kim , Yanjun Qi

Text-to-image diffusion models can synthesize high-quality images, but they have various limitations. Here we highlight a common failure mode of these models, namely, generating uncommon concepts and structured concepts like hand palms. We…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Dvir Samuel , Rami Ben-Ari , Simon Raviv , Nir Darshan , Gal Chechik

Despite their remarkable image generation capabilities, text-to-image diffusion models inadvertently learn inappropriate concepts from vast and unfiltered training data, which leads to various ethical and business risks. Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Die Chen , Zhiwen Li , Mingyuan Fan , Cen Chen , Wenmeng Zhou , Yanhao Wang , Yaliang Li

Text-to-image diffusion models, such as Stable Diffusion, have shown exceptional potential in generating high-quality images. However, recent studies highlight concerns over the use of unauthorized data in training these models, which may…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Soumil Datta , Shih-Chieh Dai , Leo Yu , Guanhong Tao

Motivated by ethical and legal concerns, the scientific community is actively developing methods to limit the misuse of Text-to-Image diffusion models for reproducing copyrighted, violent, explicit, or personal information in the generated…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Vitali Petsiuk , Kate Saenko

Text-to-image diffusion models have been widely adopted in real-world applications due to their ability to generate realistic images from textual descriptions. However, recent studies have shown that these methods are vulnerable to backdoor…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Oscar Chew , Po-Yi Lu , Jayden Lin , Hsuan-Tien Lin

Text-to-image diffusion models have demonstrated the underlying risk of generating various unwanted content, such as sexual elements. To address this issue, the task of concept erasure has been introduced, aiming to erase any undesired…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Zheling Meng , Bo Peng , Xiaochuan Jin , Yueming Lyu , Wei Wang , Jing Dong , Tieniu Tan
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