Search Results for author: Juan A. Álvarez-García

Found 3 papers, 2 papers with code

Real-time gun detection in CCTV: An open problem

2 code implementations1 Dec 2020 JoseL. Salazar González, Carlos Zaccaro, Juan A. Álvarez-García, Luis M. Soria-Morillo Fernando Sancho Caparrini

This article presents a new dataset obtained from a real CCTV installed in a university and the generation of synthetic images, to which Faster R-CNN was applied using Feature Pyramid Network with ResNet-50 resulting in a weapon detection model able to be used in quasi-real-time CCTV (90 ms of inference time with an NVIDIA GeForce GTX-1080Ti card) improving the state of the art on weapon detection in a two stages training.

object-detection Small Object Detection

Handgun detection using combined human pose and weapon appearance

no code implementations26 Oct 2020 Jesus Ruiz-Santaquiteria, Alberto Velasco-Mata, Noelia Vallez, Gloria Bueno, Juan A. Álvarez-García, Oscar Deniz

Closed-circuit television (CCTV) systems are essential nowadays to prevent security threats or dangerous situations, in which early detection is crucial.

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