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Rayson Laroca

3 papers indexed

arxivcs.CV2026-07-15

Audio-Text Cross-Attention with Psycholinguistic Support Features for Ambivalence/Hesitancy Recognition

Luiz F. B. F. Martins, Rodrigo W. Pisaia, Matheus M. Girardi, Isabella Berkembrock, João A. Almeida, André G. Hochuli, et al.

We present an audio-text system for the Ambivalence/Hesitancy Video Recognition Challenge of the 11th ABAW Competition. The method excludes visual frames and represents each video as overlapping 5-second windows aligned with transcript timestamps. Each window combines a 320-dimen…

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arxivcs.CV2026-07-06

Robust Face Super-Resolution and Recognition Through Multi-Feature Aggregation in Diffusion Models

Marcelo dos Santos, Rayson Laroca, João Carlos Raposo Neves, David Menotti

Images acquired in surveillance environments often suffer from conditions such as low resolution, variations in pose, irregular illumination, and occlusions. Due to the low quality of these images, face recognition algorithms often struggle. This major limitation can be addressed…

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arxivcs.CV2026-06-25

Computer Vision for MOBA Analytics: A Dataset and Baseline for Visibility Analysis in Dota 2

Ricardo da Rocha Carvalho, Eloísa Oliveira, Luiz Bernardo Martins Kummer, Emerson Cabrera Paraiso, Rayson Laroca

Introduction: Most Multiplayer Online Battle Arena (MOBA) analytics studies rely on structured data, which does not directly capture what each team could actually see during a match. Objective: This work introduces Dota2-Vis, a video-based dataset, and a baseline pipeline for vis…

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