Ángel D. Sappa

4.8k citations

154 papers · 2.7k indexed · 1 hit paper · h-index 26

Impact in

Computer Vision and Pattern Recognition top 0.5%
- Video Surveillance and Tracking Methods
- Advanced Image and Video Retrieval Techniques
- Advanced Vision and Imaging
- Advanced Neural Network Applications
- Image Enhancement Techniques
Media Technology top 0.5%
- Advanced Image Fusion Techniques

Papers in

Computer Vision and Pattern Recognition 120
- Advanced Vision and Imaging 55
- Advanced Image and Video Retrieval Techniques 23
- Video Surveillance and Tracking Methods 18
- Advanced Image Processing Techniques 18
- Image Enhancement Techniques 17
- Image and Object Detection Techniques 15
Computer Graphics and Computer-Aided Design 14

Co-authors: Antonio M. López David Gerónimo T. Graf Cristhian Aguilera Boris X. Vintimilla Ricardo Toledo Patricia L. Suárez Felipe Lumbreras
Journals: Sensors (9 papers)IEEE Transactions on Image Processing (5 papers)IEEE Transactions on Intelligent Transportation Systems (4 papers)IEEE Access (4 papers)Robotics and Autonomous Systems (4 papers)
Partner nations: Spain Ecuador France

In The Last Decade

Ángel D. Sappa

143 papers receiving 2.6k citations

Hit Papers

align trajectories log scale

Survey of Pedestrian Detection for Advanced Driver Assistance Systems 2009 · 680 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2009 IEEE Transactions on Pattern Analysis and Machine Intelligence

Peers

Countries citing papers authored by Ángel D. Sappa

Since Specialization

Citations

This map shows the geographic impact of Ángel D. Sappa'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 Ángel D. Sappa with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ángel D. Sappa more than expected).

Fields of papers citing papers by Ángel D. Sappa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ángel D. Sappa. 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 Ángel D. Sappa. The network helps show where Ángel D. Sappa may publish in the future.

Co-authors

The 25 scholars most cited alongside Ángel D. Sappa, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Ángel D. Sappa Line = papers co-authored together Ángel D. Sappa links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Leveraging U-Net and selective feature extraction for land cover classification using remote sensing imagery Scientific Reports ·Leo Ramos, Ángel D. Sappa	2025	10
2	A Decade of You Only Look Once (YOLO) for Object Detection: A Review IEEE Access ·Leo Ramos, Ángel D. Sappa	2025	1
3	Synthetic Thermal Image Generation from Multi-Cue Input Data Patricia L. Suárez, Ángel D. Sappa	2025	0
4	Fruit Grading based on Deep Learning and Active Vision System SHILAP Revista de lepidopterología ·Henry O. Velesaca, Patricia L. Suárez, Darío Carpio, Ángel D. Sappa	2024	0
5	Thermal Image Super-Resolution Challenge Results - PBVS 2024 Rafael E. Rivadeneira, Ángel D. Sappa, Chenyang Wang, Junjun Jiang, Zhiwei Zhong, Peilin Chen, Shiqi Wang	2024	4
6	Multi-modal Aerial View Image Challenge: SAR Classification Spencer Low, Oliver Nina, Dylan Bowald, Ángel D. Sappa, Nathan Inkawhich, Peter Bruns	2024	2
7	Anomaly Detection in Industrial Production Products Using OPC-UA and Deep Learning Henry O. Velesaca, Doménica Carrasco, Darío Carpio, Juan A. Holgado-Terriza, Jose Miguel Gutierrez-Guerrero, Tonny Toscano, Ángel D. Sappa	2024	4
8	Thermal Image Super-Resolution Challenge Results - PBVS 2023 Rafael E. Rivadeneira, Ángel D. Sappa, Boris X. Vintimilla, Chenyang Wang, Junjun Jiang, Xianming Liu, Zhiwei Zhong, Bin Dai, Li Ruodi, Li Shengye	2023	9
9	Dense extreme inception network for edge detection Pattern Recognition ·Xavier Soria Poma, Ángel D. Sappa, Patricio Humanante, Arash Akbarinia	2023	67
10	Corn kernel classification from few training samples Artificial Intelligence in Agriculture ·Patricia L. Suárez, Henry O. Velesaca, Darío Carpio, Ángel D. Sappa	2023	3
11	Fast CNN Stereo Depth Estimation through Embedded GPU Devices Sensors ·Cristhian Aguilera, Cristóbal A. Navarro, Ángel D. Sappa	2020	10
12	Melamine Faced Panels Defect Classification beyond the Visible Spectrum Sensors ·Cristhian Aguilera, (unknown), (unknown), Ángel D. Sappa	2018	4
13	Cross-Spectral Local Descriptors via Quadruplet Network Sensors ·Cristhian Aguilera, Ángel D. Sappa, (unknown), (unknown), Ricardo Toledo	2017	29
14	A 3D vision based approach for optimal grasp of vacuum grippers Angel J. Valencia, Roger M. Idrovo, Ángel D. Sappa, Douglas Plaza Guingla, Daniel Ochoa	2017	19
15	Monocular visual odometry: A cross-spectral image fusion based approach Robotics and Autonomous Systems ·Ángel D. Sappa, Cristhian Aguilera, Juan Carvajal, Miguel Oliveira, Dennis Romero, Boris X. Vintimilla, Ricardo Toledo	2016	7
16	Unsupervised contour closure algorithm for range image edge-based segmentation IEEE Transactions on Image Processing ·Ángel D. Sappa	2006	16
17	Unsupervised motion classification by means of efficient feature selection and tracking Ángel D. Sappa, Niki Aifanti, Sotiris Malassiotis, M.G. Strintzis	2004	1
18	Surface model generation from range images of industrial environments Ángel D. Sappa	2004	2
19	Automatic extraction of planar projections from panoramic range images Ángel D. Sappa	2004	3
20	Efficient approximation of range images through data-dependent adaptive triangulations Miguel Ángel García, Ángel D. Sappa, Luis Basañez	2002	6

About Ángel D. Sappa

Ángel D. Sappa is a scholar working on Computer Vision and Pattern Recognition, Computer Graphics and Computer-Aided Design, Media Technology, Aerospace Engineering and Geology, having authored 154 papers that have together received 2.7k indexed citations. Recurring topics across this work include Advanced Vision and Imaging (55 papers), Robotics and Sensor-Based Localization (46 papers), Advanced Image and Video Retrieval Techniques (23 papers), Video Surveillance and Tracking Methods (18 papers), Advanced Image Processing Techniques (18 papers), Image Enhancement Techniques (17 papers), Advanced Image Fusion Techniques (15 papers) and Image and Object Detection Techniques (15 papers). The work is most often cited by research in Computer Vision and Pattern Recognition (1.9k citations), Media Technology (512 citations), Aerospace Engineering (698 citations), Geology (150 citations) and Computer Graphics and Computer-Aided Design (89 citations). Ángel D. Sappa has collaborated with scholars based in Spain, Ecuador and France. Frequent co-authors include Antonio M. López, David Gerónimo, T. Graf, Cristhian Aguilera, Boris X. Vintimilla, Ricardo Toledo, Patricia L. Suárez, Felipe Lumbreras, Miguel Oliveira and Vítor Santos. Their work appears in journals such as Sensors, IEEE Transactions on Image Processing, IEEE Transactions on Intelligent Transportation Systems, IEEE Access and Robotics and Autonomous Systems.

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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