Nikos Papanikolopoulos

7.1k total citations · 1 hit paper
164 papers, 5.0k citations indexed

About

Nikos Papanikolopoulos is a scholar working on Computer Vision and Pattern Recognition, Aerospace Engineering and Media Technology. According to data from OpenAlex, Nikos Papanikolopoulos has authored 164 papers receiving a total of 5.0k indexed citations (citations by other indexed papers that have themselves been cited), including 125 papers in Computer Vision and Pattern Recognition, 43 papers in Aerospace Engineering and 34 papers in Media Technology. Recurrent topics in Nikos Papanikolopoulos's work include Advanced Vision and Imaging (62 papers), Video Surveillance and Tracking Methods (45 papers) and Robotics and Sensor-Based Localization (36 papers). Nikos Papanikolopoulos is often cited by papers focused on Advanced Vision and Imaging (62 papers), Video Surveillance and Tracking Methods (45 papers) and Robotics and Sensor-Based Localization (36 papers). Nikos Papanikolopoulos collaborates with scholars based in United States, France and Germany. Nikos Papanikolopoulos's co-authors include Osama Masoud, P.K. Khosla, Takeo Kanade, Robert F. Martin, Sumedh Gupte, S.A. Stoeter, Spyros G. Tzafestaş, Harini Veeraraghavan, Stefan Atev and Ajay J. Joshi and has published in prestigious journals such as IEEE Transactions on Pattern Analysis and Machine Intelligence, IEEE Transactions on Automatic Control and IEEE Transactions on Industrial Electronics.

In The Last Decade

Nikos Papanikolopoulos

158 papers receiving 4.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Detection and classification of vehicles

2002 600 citations Osama Masoud, Robert F. Martin et al. IEEE Transactions on Intelligent Transportation Systems profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Nikos Papanikolopoulos United States	34	3.3k	948	830	822	736	164	5.0k
Luis M. Bergasa Spain	38	3.1k 1.0×	1.1k 1.1×	700 0.8×	356 0.4×	391 0.5×	174	5.6k
Miguel Ángel Sotelo Spain	39	2.6k 0.8×	804 0.8×	675 0.8×	1.5k 1.8×	418 0.6×	228	6.4k
Stan Birchfield United States	33	3.6k 1.1×	1.1k 1.1×	478 0.6×	725 0.9×	363 0.5×	82	4.6k
Hong Qiao China	40	1.9k 0.6×	648 0.7×	1.3k 1.5×	1.8k 2.2×	374 0.5×	309	5.9k
Larry Matthies United States	48	5.6k 1.7×	5.3k 5.6×	731 0.9×	722 0.9×	409 0.6×	216	8.4k
Fábio Ramos Australia	31	3.1k 0.9×	1.6k 1.6×	1.5k 1.8×	444 0.5×	146 0.2×	190	5.4k
Arturo de la Escalera Spain	30	2.3k 0.7×	998 1.1×	377 0.5×	346 0.4×	547 0.7×	130	3.6k
C. Thorpe United States	35	3.4k 1.0×	1.9k 2.0×	890 1.1×	1.0k 1.2×	128 0.2×	121	5.5k
James J. Little Canada	37	4.8k 1.5×	2.0k 2.1×	921 1.1×	408 0.5×	245 0.3×	160	6.1k
Sertaç Karaman United States	41	4.4k 1.3×	2.3k 2.4×	1.2k 1.4×	2.0k 2.4×	304 0.4×	173	7.0k

Countries citing papers authored by Nikos Papanikolopoulos

Since Specialization

Citations

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

Fields of papers citing papers by Nikos Papanikolopoulos

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nikos Papanikolopoulos. 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 Nikos Papanikolopoulos. The network helps show where Nikos Papanikolopoulos may publish in the future.

Co-authorship network of co-authors of Nikos Papanikolopoulos

This figure shows the co-authorship network connecting the top 25 collaborators of Nikos Papanikolopoulos. A scholar is included among the top collaborators of Nikos Papanikolopoulos 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 Nikos Papanikolopoulos. Nikos Papanikolopoulos is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Nelson, H. James, et al.. (2025). Efficient 3D Reconstruction in Noisy Agricultural Environments: A Bayesian Optimization Perspective for View Planning. IEEE Robotics and Automation Letters. 10(12). 13105–13112.

Heller, Nicholas, Matthew Peterson, Stephanie Peterson, et al.. (2020). An international challenge to use artificial intelligence to define the state of the art in kidney and kidney tumor segmentation in CT imaging. European Urology Open Science. 19. e738–e738. 5 indexed citations

Zhang, Desheng, Juanjuan Zhao, Fan Zhang, et al.. (2016). Last-Mile Transit Service with Urban Infrastructure Data. ACM Transactions on Cyber-Physical Systems. 1(2). 1–26. 10 indexed citations

Cherian, Anoop, Suvrit Sra, Arindam Banerjee, & Nikos Papanikolopoulos. (2012). Jensen-Bregman LogDet Divergence with Application to Efficient Similarity Search for Covariance Matrices. IEEE Transactions on Pattern Analysis and Machine Intelligence. 35(9). 2161–2174. 111 indexed citations

Atev, Stefan, et al.. (2008). Estimating 3D Positions and Velocities of Projectiles from Monocular Views. IEEE Transactions on Pattern Analysis and Machine Intelligence. 31(5). 938–944. 21 indexed citations

Drenner, Andrew, et al.. (2006). Impact orientation invariant robot design: an approach to projectile deployed robotic platforms. 2878–2883. 11 indexed citations

Bird, Nathaniel, et al.. (2006). Real time, online detection of abandoned objects in public areas. 3775–3780. 69 indexed citations

Veeraraghavan, Harini, Paul Schrater, & Nikos Papanikolopoulos. (2006). Adaptive geometric templates for feature matching. 2. 3393–3398. 4 indexed citations

Veeraraghavan, Harini, Stefan Atev, Nathaniel Bird, Paul Schrater, & Nikos Papanikolopoulos. (2005). Driver activity monitoring through supervised and unsupervised learning. 290. 895–900. 22 indexed citations

10.

Drenner, Andrew, et al.. (2005). Mobile camera positioning to optimize the observability of human activity recognition tasks. 1564–1569. 16 indexed citations

11.

Stoeter, S.A. & Nikos Papanikolopoulos. (2005). Autonomous Stair-Climbing With Miniature Jumping Robots. IEEE Transactions on Systems Man and Cybernetics Part B (Cybernetics). 35(2). 313–325. 46 indexed citations

12.

Pearce, Janice L., Paul E. Rybski, S.A. Stoeter, & Nikos Papanikolopoulos. (2004). Dispersion behaviors for a team of multiple miniature robots. 1. 1158–1163. 28 indexed citations

13.

Rybski, Paul E., Stergios I. Roumeliotis, Maria Gini, & Nikos Papanikolopoulos. (2004). Appearance-based minimalistic metric SLAM. 1. 194–199. 16 indexed citations

14.

Papanikolopoulos, Nikos, et al.. (2002). An alternative differential gradient edge contrast operator suitable for use within high speed pyramid-based imaging systems. 296–303.

15.

Stoeter, S.A., et al.. (2002). Real-time door detection in cluttered environments. 187–192. 29 indexed citations

16.

Papanikolopoulos, Nikos & Christopher E. Smith. (2002). Computer vision issues during eye-in-hand robotic tasks. 3. 2989–2994. 4 indexed citations

17.

Pavlidis, Ioannis, Vassilios Morellas, & Nikos Papanikolopoulos. (2000). A vehicle occupant counting system based on near-infrared phenomenology and fuzzy neural classification. IEEE Transactions on Intelligent Transportation Systems. 1(2). 72–85. 25 indexed citations

18.

Pavlidis, Ioannis, et al.. (1999). Automatic detection of vehicle passengers through near-infrared fusion. 304–309. 3 indexed citations

19.

Papanikolopoulos, Nikos, et al.. (1995). DETECTION AND TRACKING OF TRAFFIC OBJECTS IN IVHS VISION SENSING MODALITIES. 5 indexed citations

20.

Tzafestaş, Spyros G. & Nikos Papanikolopoulos. (1990). Incremental fuzzy expert PID control. IEEE Transactions on Industrial Electronics. 37(5). 365–371. 210 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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