activity
20242026
collaborators

9 papers

cs.CY2026

Classifying by Proxy: Explainable and Reproducible Ensemble of Proxy Tasks for Child Sexual Abuse Imagery Classification

Clara Ernesto, Carlos Caetano, Sandra Avila +3

Child Sexual Abuse Imagery (CSAI) classification systems are needed solutions for lessening the psychological impacts often felt by law enforcement agents responsible for evaluatin…

cs.CV2026

Toward a More Ethical Facial Age Estimation: A Generalized Zero-Shot Benchmark Without Training on Children's Data

Caio Petrucci, Leo Sampaio Ferraz Ribeiro, Sandra Avila

Age estimation from facial images typically relies on training data that includes images of minors, a practice that raises ethical, legal, and privacy concerns and that child-data…

cs.CV2026

CSA-Graphs: A Privacy-Preserving Structural Dataset for Child Sexual Abuse Research

Carlos Caetano, Camila Laranjeira, Clara Ernesto +5

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…

cs.CV2026

Human-Centric Perception for Child Sexual Abuse Imagery

Camila Laranjeira, João Macedo, Sandra Avila +2

Law enforcement agencies and non-gonvernmental organizations handling reports of Child Sexual Abuse Imagery (CSAI) are overwhelmed by large volumes of data, requiring the aid of au…

physics.geo-ph2026

A General-Purpose Diversified 2D Seismic Image Dataset from NAMSS

Lucas de Magalhães Araujo, Otávio Oliveira Napoli, Sandra Avila +1

We introduce the Unicamp-NAMSS dataset, a large, diverse, and geographically distributed collection of migrated 2D seismic sections designed to support modern machine learning rese…

cs.CV2025

Attention over Scene Graphs: Indoor Scene Representations Toward CSAI Classification

Artur Barros, Carlos Caetano, João Macedo +2

Indoor scene classification is a critical task in computer vision, with wide-ranging applications that go from robotics to sensitive content analysis, such as child sexual abuse im…