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Listar por autor "Lamar León, Javier"
Mostrando ítems 1-13 de 13
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Artículo
An application for gait recognition using persistent homology
Lamar León, Javier; García Reyes, Edel; González Díaz, Rocío; Alonso Baryolo, Raúl (Universidad de Sevilla, 2013)This Demo presents an application for gait recognition using persistent homology. Using a background subtraction approach, ...
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Artículo
Characterizing Configurations of critical points through LBP Extended Abstract
González Díaz, Rocío; Kropatsch, Walter G.; Cerman, Martin; Lamar León, Javier (Universidad de Sevilla, 2015)In this abstract we extend ideas and results submitted to [3] in which a new codification of Local Binary Patterns (LBP) ...
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Artículo
Computing cup products in \(\mathbb {Z}_2\)-cohomology of 3D polyhedral complexes
González Díaz, Rocío; Lamar León, Javier; Umble, Ronald (2014)Let \(I=(\mathbb {Z}^3,26,6,B)\) be a three-dimensional (3D) digital image, let \(Q(I)\) be an associated cubical complex, ...
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Capítulo de Libro
Cup products on polyhedral approximations of 3D digital images
González Díaz, Rocío; Lamar León, Javier; Umble, Ronald (2011)Let I be a 3D digital image, and let Q(I) be the associated cubical complex. In this paper we show how to simplify the ...
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Artículo
Cups products in Z2-cohomology of 3D polyhedral complexes
González Díaz, Rocío; Lamar León, Javier; Umble, Ronald (2012)Let I=(Z3,26,6,B) be a 3D digital image, let Q(I) be the associated cubical complex and let ∂Q(I) be the subcomplex of ...
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Capítulo de Libro
Gait-based carried object detection using persistent homology
Lamar León, Javier; Alonso Baryolo, Raúl; García Reyes, Edel; González Díaz, Rocío (2014)There are surveillance scenarios where it is important to emit an alarm when a person carrying an object is detected. In ...
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Capítulo de Libro
Gait-based gender classification using persistent homology
Lamar León, Javier; Cerri, Andrea; García Reyes, Edel; González Díaz, Rocío (2013)In this paper, a topological approach for gait-based gender recognition is presented. First, a stack of human silhouettes, ...
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Capítulo de Libro
Human gait identification using persistent homology
Lamar León, Javier; García Reyes, Edel; González Díaz, Rocío (2012)This paper shows an image/video application using topological invariants for human gait recognition. Using a background ...
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Artículo
Human gait recognition using topological information
Lamar León, Javier; García Reyes, Edel; González Díaz, Rocío (Universidad de Sevilla, 2010)This paper shows an image/video application using topological invariants in human gait recognition. The 3D volume of a ...
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Ponencia
Persistent homology-based gait recognition robust to upper body variations
Lamar León, Javier; Alonso Baryolo, Raúl; García Reyes, Edel; González Díaz, Rocío (IEEE Computer Society, 2016)Gait recognition is nowadays an important biometric technique for video surveillance tasks, due to the advantage of using ...
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Artículo
Persistent-homology-based gait recognition
Lamar León, Javier; Alonso Baryolo, Raúl; García Reyes, Edel; González Díaz, Rocío (Cornell University, 2017)Gait recognition is an important biometric technique for video surveillance tasks, due to the advantage of using it at ...
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Capítulo de Libro
Topological features for monitoring human activities at distance
Lamar León, Javier; Alonso Baryolo, Raúl; García Reyes, Edel; González Díaz, Rocío (2014)In this paper, a topological approach for monitoring human activities is presented. This approach makes possible to protect ...
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Artículo
Topological signature for periodic motion recognition
Lamar León, Javier; García Reyes, Edel; González Díaz, Rocío (Cornell University, 2019)In this paper, we present an algorithm that computes the topological signature for a given periodic motion sequence. Such ...