David Freire-Obregón

493 total citations
26 papers, 231 citations indexed

About

David Freire-Obregón is a scholar working on Computer Vision and Pattern Recognition, Signal Processing and Human-Computer Interaction. According to data from OpenAlex, David Freire-Obregón has authored 26 papers receiving a total of 231 indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Computer Vision and Pattern Recognition, 5 papers in Signal Processing and 5 papers in Human-Computer Interaction. Recurrent topics in David Freire-Obregón's work include Face recognition and analysis (10 papers), Human Pose and Action Recognition (9 papers) and Video Surveillance and Tracking Methods (8 papers). David Freire-Obregón is often cited by papers focused on Face recognition and analysis (10 papers), Human Pose and Action Recognition (9 papers) and Video Surveillance and Tracking Methods (8 papers). David Freire-Obregón collaborates with scholars based in Spain, Italy and Slovenia. David Freire-Obregón's co-authors include Modesto Castrillón-Santana, Fabio Narducci, Silvio Barra, Paola Barra, Javier Lorenzo-Navarro, Michele Nappi, Maria De Marsico, Carmen Bisogni, Oliverio J. Santana and Daniel Hernández-Sosa and has published in prestigious journals such as Neurocomputing, Pattern Recognition Letters and Image and Vision Computing.

In The Last Decade

David Freire-Obregón

24 papers receiving 226 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
David Freire-Obregón Spain 8 194 68 35 18 17 26 231
Zhilong Ji China 7 182 0.9× 77 1.1× 16 0.5× 3 0.2× 9 0.5× 21 266
Uttaran Bhattacharya United States 6 224 1.2× 85 1.3× 43 1.2× 4 0.2× 3 0.2× 15 275
Lilei Zheng Singapore 8 254 1.3× 109 1.6× 84 2.4× 20 1.1× 25 1.5× 18 335
Md Sah Hj Salam Malaysia 8 148 0.8× 112 1.6× 34 1.0× 34 2.0× 17 276
Ramesh Kumar Mohapatra India 10 110 0.6× 74 1.1× 35 1.0× 56 3.3× 33 234
Jinyoung Moon South Korea 9 196 1.0× 108 1.6× 14 0.4× 13 0.8× 35 267
Kalaiarasi Sonai Muthu Malaysia 8 154 0.8× 40 0.6× 51 1.5× 21 1.2× 20 275
Riccardo Satta Italy 9 252 1.3× 41 0.6× 53 1.5× 3 0.2× 16 0.9× 23 322
T. Mita Japan 4 258 1.3× 30 0.4× 35 1.0× 33 1.9× 5 288

Countries citing papers authored by David Freire-Obregón

Since Specialization
Citations

This map shows the geographic impact of David Freire-Obregón's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by David Freire-Obregón with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites David Freire-Obregón more than expected).

Fields of papers citing papers by David Freire-Obregón

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by David Freire-Obregón. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by David Freire-Obregón. The network helps show where David Freire-Obregón may publish in the future.

Co-authorship network of co-authors of David Freire-Obregón

This figure shows the co-authorship network connecting the top 25 collaborators of David Freire-Obregón. A scholar is included among the top collaborators of David Freire-Obregón based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with David Freire-Obregón. David Freire-Obregón is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Freire-Obregón, David, João C. Neves, Žiga Emeršič, et al.. (2025). Synthesizing multilevel abstraction ear sketches for enhanced biometric recognition. Image and Vision Computing. 154. 105424–105424. 1 indexed citations
2.
Freire-Obregón, David, et al.. (2025). Real-Time Hand Gesture Recognition: Lightweight Keypoint-Based Approach with Medoid Similarity. Journal of Advances in Information Technology. 16(4). 447–457.
3.
Lorenzo-Navarro, Javier, et al.. (2024). Multimodal emotion recognition based on a fusion of audiovisual information with temporal dynamics. Multimedia Tools and Applications. 84(23). 27327–27343. 2 indexed citations
4.
Santana, Oliverio J., Javier Lorenzo-Navarro, David Freire-Obregón, Daniel Hernández-Sosa, & Modesto Castrillón-Santana. (2024). Applying deep learning image enhancement methods to improve person re-identification. Neurocomputing. 598. 128011–128011. 6 indexed citations
5.
Castrillón-Santana, Modesto, Elena Sánchez‐Nielsen, David Freire-Obregón, et al.. (2024). Visual Question Answering Models for Zero-Shot Pedestrian Attribute Recognition: A Comparative Study. SN Computer Science. 5(6). 1 indexed citations
6.
7.
Freire-Obregón, David, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, & Modesto Castrillón-Santana. (2023). An X3D Neural Network Analysis for Runner’s Performance Assessment in a Wild Sporting Environment. Acceda (Universidad de Las Palmas de Gran Canaria). 1–5. 3 indexed citations
8.
Freire-Obregón, David, Maria De Marsico, Paola Barra, Javier Lorenzo-Navarro, & Modesto Castrillón-Santana. (2023). Zero-shot ear cross-dataset transfer for person recognition on mobile devices. Pattern Recognition Letters. 166. 143–150. 7 indexed citations
9.
Freire-Obregón, David, Javier Lorenzo-Navarro, Oliverio J. Santana, Daniel Hernández-Sosa, & Modesto Castrillón-Santana. (2023). A Large-Scale Re-identification Analysis in Sporting Scenarios: the Betrayal of Reaching a Critical Point. Acceda (Universidad de Las Palmas de Gran Canaria). 1–9. 1 indexed citations
10.
Santana, Oliverio J., David Freire-Obregón, Daniel Hernández-Sosa, et al.. (2022). Facial expression analysis in a wild sporting environment. Multimedia Tools and Applications. 82(8). 11395–11415. 6 indexed citations
11.
Freire-Obregón, David, Paola Barra, Modesto Castrillón-Santana, & Maria De Marsico. (2021). Inflated 3D ConvNet context analysis for violence detection. Machine Vision and Applications. 33(1). 26 indexed citations
12.
Freire-Obregón, David, et al.. (2021). Improving user verification in human-robot interaction from audio or image inputs through sample quality assessment. Pattern Recognition Letters. 149. 179–184. 9 indexed citations
13.
Freire-Obregón, David, Modesto Castrillón-Santana, Paola Barra, Carmen Bisogni, & Michele Nappi. (2020). An attention recurrent model for human cooperation detection. Computer Vision and Image Understanding. 197-198. 102991–102991. 18 indexed citations
14.
Peñate-Sánchez, Adrián, et al.. (2020). TGC20ReId: A dataset for sport event re-identification in the wild. Pattern Recognition Letters. 138. 355–361. 10 indexed citations
15.
Barra, Paola, Carmen Bisogni, Michele Nappi, David Freire-Obregón, & Modesto Castrillón-Santana. (2019). Gender classification on 2D human skeleton. Acceda (Universidad de Las Palmas de Gran Canaria). 1–4. 24 indexed citations
16.
Freire-Obregón, David, Fabio Narducci, Silvio Barra, & Modesto Castrillón-Santana. (2018). Deep learning for source camera identification on mobile devices. Pattern Recognition Letters. 126. 86–91. 79 indexed citations
17.
Freire-Obregón, David & Modesto Castrillón-Santana. (2014). An Evolutive Approach for Smile Recognition in Video Sequences. International Journal of Pattern Recognition and Artificial Intelligence. 29(1). 1550006–1550006. 3 indexed citations
18.
Freire-Obregón, David, et al.. (2014). Automatic clothes segmentation for soft biometrics. Acceda (Universidad de Las Palmas de Gran Canaria). 4972–4976. 9 indexed citations
19.
Freire-Obregón, David, et al.. (2012). SEVENTI: NEW APPROACH FOR TEACHING SENIORS BASIC SKILLS THROUGH SOCIAL MEDIA. 21(3). 3503–3510. 1 indexed citations
20.
Freire-Obregón, David, Modesto Castrillón-Santana, & Óscar Déniz. (2009). SMILE DETECTION USING LOCAL BINARY PATTERNS AND SUPPORT VECTOR MACHINES. Acceda (Universidad de Las Palmas de Gran Canaria). 398–401. 4 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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