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publications
Sesquialtera in the Colombian Bambuco: Perception and Estimation of Beat and Meter
Published in Proc. Int. Soc. Music Inf. Retrieval Conf, 2020
In this work, we analyze sesquialteras in bambucos from two perspectives. First, we analyze the perception of beat and meter by asking 10 Colombian musicians to perform beat annotations in a dataset of bambucos. Second, we perform a beat tracking analysis in a dataset of bambucos with two state-of-the-art algorithms. A deeper analysis of the onset detection functions used for beat tracking, indicate that there is enough information on the signal level to characterize the bi-metric behavior of bambucos. With this in mind, we highlight possibilities for computational analysis of rhythm in bambucos. Read more
Recommended citation: Cano, Estefanía, Fernando Mora-Ángel, Gustavo A. López Gil, José R. Zapata, Antonio Escamilla, Juan F. Alzate, and Moisés Betancur. (2020). "Sesquialtera in the colombian bambuco: Perception and estimation of beat and meter." in Proc. Int. Soc. Music Inf. Retrieval Conf. pp. 409-415. 2020. https://program.ismir2020.net/poster_3-11.html
Interaction designers’ perceptions of using motion-based full-body features
Published in International Journal of Human-Computer Studies, 2021
Sensor-based interaction design relies on sensor data analysis and higher-level feature extraction to improve detection capabilities. However, understanding human movement to inform the design of motion-based interactions is not straightforward if the detection capabilities of interaction technologies are unknown. We aim at understanding the problems and opportunities that practitioners—regardless of their technical background—perceive in using different motion-based full-body features. Read more
Recommended citation: Escamilla, A., Melenchón, J., Monzo, C., & Morán, J. A. (2021). "Interaction designers’ perceptions of using motion-based full-body features." International Journal of Human-Computer Studies. 155, 102697. https://www.sciencedirect.com/science/article/pii/S1071581921001154
Sesquialtera in the Colombian Bambuco: Perception and Estimation of Beat and Meter – Extended version
Published in Transactions of the International Society for Music Information Retrieval, 2021
Bambuco, one of the national rhythms of Colombia, is characterized by the presence of sesquialtera or the superposition of rhythmic elements from a simple and a compound meter. In this work, we analyze bambucos from three perspectives. First, we analyze the perception of beat and meter by asking 10 Colombian musicians to perform beat annotations in a dataset of bambucos. To get a better understanding of which elements influence meter perception in bambucos, elements in three categories (composition, performance and audio production) were identified in our second study, and summarized for our bambuco dataset. In our third study, we use state-of-the-art computational tools for beat and meter analysis to extract beat positions. Read more
Recommended citation: Cano, E., Mora-Ángel, F., Gil, G.A.L., Zapata, J.R., Escamilla, A., Alzate, J.F. and Betancur, M (2021). "Sesquialtera in the Colombian Bambuco: Perception and Estimation of Beat and Meter – Extended version." Transactions of the International Society for Music Information Retrieval. 4(1), pp.248–262. https://transactions.ismir.net/article/10.5334/tismir.118/
User Clustering Visualization and Its Impact on Motion-Based Interaction Design
Published in Lecture Notes in Computer Science book series (LNCS,volume 14011), 2023
Movement-based interaction design relies on sensor data analysis and higher-level feature extraction to represent human movement. However, challenges to effectively using movement data include building computational tools that allow exploring feature extraction technology as design material, and the need for visual representations that help designers better understand the contents of movement. This paper presents an approach for visualizing user clustering descriptors to enhance the practitioners’ ability to use human motion in interaction design. Read more
Recommended citation: Escamilla, A., Melenchón, J., Monzo, C., Moran, J.A. (2023). User Clustering Visualization and Its Impact on Motion-Based Interaction Design. In: Kurosu, M., Hashizume, A. (eds) Human-Computer Interaction. HCII 2023. Lecture Notes in Computer Science, vol 14011. Springer, Cham. https://doi.org/10.1007/978-3-031-35596-7_4 https://link.springer.com/chapter/10.1007/978-3-031-35596-7_4
talks
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Conference Proceeding talk 3 on Relevant Topic in Your Field
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teaching
Audio Editing (I & II)
Undergraduate Course, Bellas Artes University, Department of Musical Studies, 2014
Physical Computing
Undergraduate Course, Universidad Pontificia Bolivariana, School of Engineering, 2016
Sound Design
Undergraduate Course, Universidad Pontificia Bolivariana, School of Engineering, 2016
The course addresses theoretical concepts of sound design and implements common workflows in the creation of sound content as an essential part of content development for digital formats/media. Read more
Creative Programming - Master in Digital Arts
Postgraduate Course, ITM University, Faculty of Arts, 2018
The Creative Programming course will provide an introduction to programming and code in the context of the Digital Arts M.A. program at ITM. Read more
Computer Vision - Master in Digital Arts
Postgraduate Course, ITM University, Faculty of Arts, 2018
The Computer Vision course will introduce students to the fascinating world of image analysis and object recognition within the context of the Digital Arts M.A. program at ITM. Read more
Computer Vision
Undergraduate Course, Universidad Pontificia Bolivariana, School of Engineering, 2024
Computer Vision course in the Ingeniería en Diseño de Entretenimiento Digital program, approaching technical learning through a design thinking perspective to foster innovative, user-centered visual computing solutions. Course site. Read more
Artificial Intelligence
Undergraduate Course, Universidad Pontificia Bolivariana, School of Engineering, 2025
Artificial Intelligence undergraduate course at UPB. Programs of Ingenieria Informática and Ingeniería en Ciencia de Datos. Introduction Slides Read more
Multimedia Data Mining - Master in Information and Communication Technologies
Postgraduate Course, Universidad Pontificia Bolivariana, School of Engineering, 2025
Multimedia Data Mining focuses on extracting meaningful patterns, knowledge, and insights from this complex and unstructured data. The course is part of the Information and Communication Technologies M.Sc. program at UPB. Read more
Python for Data Science
Postgraduate Course, Universidad Pontificia Bolivariana, School of Engineering, 2025
Python for Data Science introduces students to the dominant programming language in data science, combining simplicity, readability, and power for data analysis. The course is part of the Information and Communication Technologies postgraduate programs at UPB. Course Website Read more