2026 Les A. Piegl: Computer Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Computer Science	36	10961	10654	4556	4365	130	16541

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Computer Science

10961

10654

4556

4365

130

16541

Overview

Les A. Piegl is affiliated with the University of South Florida in the United States. Their work spans multiple fields within computer science and engineering, with notable contributions in computational research and applied methodologies.

Their research primarily focuses on topics such as:

Manufacturing Process and Optimization
Online Learning and Analytics
Sentiment Analysis and Opinion Mining
3D Shape Modeling and Analysis
Advanced Graph Neural Networks
Robotic Path Planning Algorithms
Model-Driven Software Engineering Techniques

Main fields of study for Les A. Piegl include:

Computer Science
Engineering

Subfields of study emphasized in their publications consist of:

Artificial Intelligence
Computational Mechanics
Industrial and Manufacturing Engineering
Computer Vision and Pattern Recognition
Computer Science Applications

Recent published papers by Les A. Piegl and collaborators cover a range of topics and venues:

"A Domain-Dependent Lexicon to Augment CAD Peer Review" (2020), published in Computer-Aided Design and Applications
"Polarity in the Classroom: A Case Study Leveraging Peer Sentiment Toward Scalable Assessment" (2021), published in IEEE Transactions on Learning Technologies
"An Application of B-spline Reliefs to Render DICOM Data" (2021), published in Computer-Aided Design and Applications
"Graph Sampling Through Graph Decomposition and Reconstruction Based on Kronecker Graphs" (2022), published in Proceedings
"Polarity in the Classroom: A Case Study Leveraging Peer Sentiment Toward Scalable Assessment" (2021), published in arXiv (Cornell University)

Frequent co-authors who have collaborated with Les A. Piegl include:

Zachariah Beasley
Paul Rosen
Lu Shen
Richard S. Segall
William Mondy

The scientist's work has appeared in several publication venues frequently, such as:

Computer-Aided Design and Applications
IEEE Transactions on Learning Technologies
Proceedings
arXiv (Cornell University)
Journal of systemics, cybernetics, and informatics/Journal of systemics cybernetics and informatics

Best Publications

The NURBS Book

Les Piegl;Wayne Tiller

9474
Citations
On NURBS: a survey

L. Piegl

1237
Citations
The NURBS book (2nd ed.)

Les Piegl;Wayne Tiller

1004
Citations
Ten challenges in 3D printing

William Oropallo;Les A. Piegl

453
Citations
On Integrating Unmanned Aircraft Systems into the National Airspace System : Issues, Challenges, Operational Restrictions, Certification, and Recommendations

Konstantinos Dalamagkidis;Kimon P. Valavanis;Les A. Piegl

301
Citations
Unmanned Aircraft Systems

Kimon P. Valavanis;Paul Oh;Les A. Piegl

264
Citations
Parametrization for surface fitting in reverse engineering

Les A. Piegl;Wayne Tiller

241
Citations
Computing offsets of NURBS curves and surfaces

Les A. Piegl;Wayne Tiller

215
Citations
Delaunay triangulation using a uniform grid

T.-P. Fang;L.A. Piegl

198
Citations
Modifying the shape of rational B-splines. part2: surfaces

L. Piegl

194
Citations
Algorithm for approximate nurbs skinning

Les A. Piegl;Wayne Tiller

150
Citations
Geometry-based triangulation of trimmed NURBS surfaces

Les A Piegl;Wayne Tiller

143
Citations
Delaunay triangulation in three dimensions

Tsung-Pao Fang;L.A. Piegl

142
Citations
Algorithm for finding all k nearest neighbors

Les A. Piegl;Wayne Tiller

138
Citations
Ten challenges in computer-aided design

Les A. Piegl

125
Citations
On Integrating Unmanned Aircraft Systems into the National Airspace System

Konstantinos Dalamagkidis;Kimon P. Valavanis;Les. A. Piegl

124
Citations
Surface approximation to scanned data

Les A. Piegl;Wayne Tiller

119
Citations
A menagerie of rational B-spline circles

L. Piegl;W. Tiller

114
Citations
Nonlinear Model Predictive Control With Neural Network Optimization for Autonomous Autorotation of Small Unmanned Helicopters

K Dalamagkidis;K P Valavanis;L A Piegl

97
Citations
Interactive Data Interpolation by Rational Bezier Curves

L. Piegl

79
Citations
Current Status and Future Perspectives for Unmanned Aircraft System Operations in the US

K. Dalamagkidis;K. P. Valavanis;L. A. Piegl

78
Citations
Algorithm for Delaunay triangulation and convex-hull computation using a sparse matrix

Tsung-Pao Fang;Les A. Piegl

68
Citations
Curve and Surface Fitting

Les Piegl;Wayne Tiller

8
Citations

Frequent Co-Authors

Kimon P. Valavanis University of Denver

External Links

Personal website of Les A. Piegl

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