28 citations · 35 across the 7 of their papers we have counts for
7 papers
STRIDE: Street View-based Environmental Feature Detection and Pedestrian Collision Prediction
Cristina González, Nicolás Ayobi, Felipe Escallón +8
This paper introduces a novel benchmark to study the impact and relationship of built environment elements on pedestrian collision prediction, intending to enhance environmental aw…
Guarding the Guardians: Automated Analysis of Online Child Sexual Abuse
Juanita Puentes, Angela Castillo, Wilmar Osejo +5
Online violence against children has increased globally recently, demanding urgent attention. Competent authorities manually analyze abuse complaints to comprehend crime dynamics a…
EgoCOL: Egocentric Camera pose estimation for Open-world 3D object Localization @Ego4D challenge 2023
Cristhian Forigua, Maria Escobar, Jordi Pont-Tuset +2
We present EgoCOL, an egocentric camera pose estimation method for open-world 3D object localization. Our method leverages sparse camera pose reconstructions in a two-fold manner,…
BoDiffusion: Diffusing Sparse Observations for Full-Body Human Motion Synthesis
Angela Castillo, Maria Escobar, Guillaume Jeanneret +4
Mixed reality applications require tracking the user's full-body motion to enable an immersive experience. However, typical head-mounted devices can only track head and hand moveme…
JoB-VS: Joint Brain-Vessel Segmentation in TOF-MRA Images
Natalia Valderrama, Ioannis Pitsiorlas, Luisa Vargas +2
We propose the first joint-task learning framework for brain and vessel segmentation (JoB-VS) from Time-of-Flight Magnetic Resonance images. Unlike state-of-the-art vessel segmenta…
MATIS: Masked-Attention Transformers for Surgical Instrument Segmentation
Nicolás Ayobi, Alejandra Pérez-Rondón, Santiago Rodríguez +1
We propose Masked-Attention Transformers for Surgical Instrument Segmentation (MATIS), a two-stage, fully transformer-based method that leverages modern pixel-wise attention mechan…
Video Swin Transformers for Egocentric Video Understanding @ Ego4D Challenges 2022
Maria Escobar, Laura Daza, Cristina González +2
We implemented Video Swin Transformer as a base architecture for the tasks of Point-of-No-Return temporal localization and Object State Change Classification. Our method achieved c…