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2020 – today
- 2021
[j61]Zachariah J. Beasley
, Les A. Piegl, Paul Rosen:
Polarity in the Classroom: A Case Study Leveraging Peer Sentiment Toward Scalable Assessment. IEEE Trans. Learn. Technol. 14(4): 515-525 (2021)- [i3]Zachariah Beasley, Les A. Piegl, Paul Rosen:
Polarity in the Classroom: A Case Study Leveraging Peer Sentiment Toward Scalable Assessment. CoRR abs/2108.10068 (2021) - 2020
- [c2]Zachariah Beasley, Alon Friedman, Les A. Piegl, Paul Rosen:
Leveraging Peer Feedback to Improve Visualization Education. PacificVis 2020: 146-155 - [i2]Zachariah Beasley, Alon Friedman, Les A. Piegl, Paul Rosen:
Leveraging Peer Feedback to Improve Visualization Education. CoRR abs/2001.07549 (2020)
2010 – 2019
- 2018
- [i1]Paul Rosen, Mustafa Hajij, Junyi Tu, Tanvirul Arafin, Les A. Piegl:
Inferring Quality in Point Cloud-based 3D Printed Objects using Topological Data Analysis. CoRR abs/1807.02921 (2018) - 2016
- [j60]William Oropallo, Les A. Piegl:
Ten challenges in 3D printing. Eng. Comput. 32(1): 135-148 (2016) - 2014
- [j59]Les A. Piegl, Wayne Tiller, Khairan Rajab:
It is time to drop the "R" from NURBS. Eng. Comput. 30(4): 703-714 (2014) - [j58]Les A. Piegl, Parikshit Kulkarni, Khairan Rajab:
Data Processing for Medial Axis Computation Using B-Spline Smoothing. J. Comput. Inf. Sci. Eng. 14(4) (2014) - 2013
- [j57]Khairan Rajab, Les A. Piegl, Volha Smarodzinava:
CAD model repair using knowledge-guided NURBS. Eng. Comput. 29(4): 477-486 (2013) - 2011
- [j56]Konstantinos Dalamagkidis, Kimon P. Valavanis, Les A. Piegl:
Nonlinear Model Predictive Control With Neural Network Optimization for Autonomous Autorotation of Small Unmanned Helicopters. IEEE Trans. Control. Syst. Technol. 19(4): 818-831 (2011) - 2010
- [j55]Konstantinos Dalamagkidis, Kimon P. Valavanis, Les A. Piegl:
Autonomous Autorotation of Unmanned Rotorcraft using Nonlinear Model Predictive Control. J. Intell. Robotic Syst. 57(1-4): 351-369 (2010) - [c1]Konstantinos Dalamagkidis, Kimon P. Valavanis, Les A. Piegl:
Small unmanned helicopter autorotation using non-linear model predictive control. CDC 2010: 6350-6357
2000 – 2009
- 2009
- [j54]Les A. Piegl, Khairan Rajab, Volha Smarodzinava, Kimon P. Valavanis:
Using a biarc filter to compute curvature extremes of NURBS curves. Eng. Comput. 25(4): 379-387 (2009) - [j53]Kimon P. Valavanis, Paul Oh, Les A. Piegl:
Guest Editorial for the Special Volume On Unmanned Aircraft Systems (UAS). J. Intell. Robotic Syst. 54(1-3): 1-2 (2009) - 2008
- [j52]Les A. Piegl, Khairan Rajab, Volha Smarodzinava:
Curve interpolation with directional constraints for engineering design. Eng. Comput. 24(1): 79-85 (2008) - [j51]Les A. Piegl, Wayne Tiller:
Fitting NURBS spherical patches to measured data. Eng. Comput. 24(2): 97-106 (2008) - [j50]Konstantinos Dalamagkidis, Kimon P. Valavanis, Les A. Piegl:
Current Status and Future Perspectives for Unmanned Aircraft System Operations in the US. J. Intell. Robotic Syst. 52(2): 313-329 (2008) - 2005
- [j49]Les A. Piegl:
Ten challenges in computer-aided design. Comput. Aided Des. 37(4): 461-470 (2005) - [j48]Les A. Piegl:
CAD'04 Special Issue: modeling and geometry representations for CAD. Comput. Aided Des. 37(8): 781 (2005) - [j47]Les A. Piegl:
CAD'04 Special Issue: Product design, integration and manufacturing. Comput. Aided Des. 37(9): 879 (2005) - [j46]Les A. Piegl, Weiyin Ma, Wayne Tiller:
An alternative method of curve interpolation. Vis. Comput. 21(1-2): 104-117 (2005) - 2004
- [j45]Les A. Piegl:
Special issue on automated synthesis of human-competitive designs by means of genetic programming. Comput. Aided Des. 36(12): 1279 (2004) - 2003
- [j44]Les A. Piegl, Wayne Tiller:
Circle approximation using integral B-splines. Comput. Aided Des. 35(6): 601-607 (2003) - [j43]Les A. Piegl, Wayne Tiller:
Approximating Surfaces of Revolution by Nonrational B-Splines. IEEE Computer Graphics and Applications 23(3): 46-52 (2003) - [j42]Les A. Piegl, Weiyin Ma, Wayne Tiller:
Surface Fitting to Random Data via Constrained Shaping. Int. J. Shape Model. 9(1): 1-20 (2003) - 2002
- [j41]Les A. Piegl, Wayne Tiller:
Algorithm for finding all k nearest neighbors. Comput. Aided Des. 34(2): 167-172 (2002) - [j40]Les A. Piegl, Wayne Tiller:
Biarc approximation of NURBS curves. Comput. Aided Des. 34(11): 807-814 (2002) - [j39]Les A. Piegl, Wayne Tiller:
Data Approximation Using Biarcs. Eng. Comput. 18(1): 59-65 (2002) - [j38]Les A. Piegl, Wayne Tiller:
Fitting Circular Arcs to Measured Data. Int. J. Shape Model. 8(1): 1-21 (2002) - [j37]Les A. Piegl, Wayne Tiller:
Surface skinning revisited. Vis. Comput. 18(4): 273-283 (2002) - 2001
- [j36]Les A. Piegl, Wayne Tiller:
Parametrization for surface fitting in reverse engineering. Comput. Aided Des. 33(8): 593-603 (2001) - 2000
- [j35]Les A. Piegl, Wayne Tiller:
Reducing Control Points in Surface Interpolation. IEEE Computer Graphics and Applications 20(5): 70-74 (2000) - [j34]Les A. Piegl, Wayne Tiller:
Curve Interpolation with Arbitrary End Derivatives. Eng. Comput. 16(1): 73-79 (2000) - [j33]Les A. Piegl, Wayne Tiller:
Least-Squares B-Spline Curve Approximation with Arbitary End Derivatives. Eng. Comput. 16(2): 109-116 (2000) - [j32]Les A. Piegl, Wayne Tiller:
Surface approximation to scanned data. Vis. Comput. 16(7): 386-395 (2000)
1990 – 1999
- 1999
- [j31]Les A. Piegl, Wayne Tiller:
Computing offsets of NURBS curves and surfaces. Comput. Aided Des. 31(2): 147-156 (1999) - [j30]Les A. Piegl, Wayne Tiller:
Cross-Sectional Design with Boundary Constraints. Eng. Comput. 15(2): 171-180 (1999) - [j29]Les A. Piegl, Wayne Tiller:
Filling n-sided regions with NURBS patches. Vis. Comput. 15(2): 77-89 (1999) - 1998
- [j28]Les A. Piegl, Wayne Tiller:
Geometry-based triangulation of trimmed NURBS surfaces. Comput. Aided Des. 30(1): 11-18 (1998) - [j27]Les A. Piegl, Wayne Tiller:
Computing the derivative of NURBS with respect to a knot. Comput. Aided Geom. Des. 15(9): 925-934 (1998) - 1997
- [b2]Les A. Piegl, Wayne Tiller:
The NURBS Book, Second Edition. Monographs in Visual Communication, Springer 1997, ISBN 978-3-540-61545-3, pp. I-XIV, 1-646 - [j26]Les A. Piegl, Wayne Tiller:
Symbolic operators for NURBS. Comput. Aided Des. 29(5): 361-368 (1997) - [j25]Jennifer A. Polack-Wahl, Les A. Piegl, Marc L. Carter:
Perception of images using cylindrical mapping. Vis. Comput. 13(4): 155-167 (1997) - 1996
- [j24]Les A. Piegl, Wayne Tiller:
Algorithm for approximate skinning. Comput. Aided Des. 28(9): 699-706 (1996) - [j23]Alok K. Chaturvedi, Les A. Piegl:
Procedural method for terrain surface interpolation. Comput. Graph. 20(4): 541-566 (1996) - 1995
- [b1]Les A. Piegl, Wayne Tiller:
The NURBS Book. Monographs in Visual Communication, Springer 1995, ISBN 978-3-540-55069-3, pp. I-XIV, 1-646 - [j22]Les A. Piegl, Arnaud M. Richard:
Tessellating trimmed surfaces. Comput. Aided Des. 27(1): 16-26 (1995) - [j21]Les A. Piegl, Wayne Tiller:
Algorithm for degree reduction of B-spline curves. Comput. Aided Des. 27(2): 101-110 (1995) - [j20]Tsung-Pao Fang, Les A. Piegl:
Delaunay triangulation in three dimensions. IEEE Computer Graphics and Applications 15(5): 62-69 (1995) - 1994
- [j19]Les A. Piegl:
Editorial. Comput. Aided Des. 26(1): 3-5 (1994) - [j18]Les A. Piegl, Wayne Tiller:
Software-engineering approach to degree elevation of B-spline curves. Comput. Aided Des. 26(1): 17-28 (1994) - [j17]Tsung-Pao Fang, Les A. Piegl:
Algorithm for constained delaunay triangulation. Vis. Comput. 10(5): 255-265 (1994) - 1993
- [j16]Les A. Piegl, Arnaud M. Richard:
Algorithm and data structure for triangulating multiply connected polygonal domains. Comput. Graph. 17(5): 563-574 (1993) - [j15]Tsung-Pao Fang, Les A. Piegl:
Delaunay triangulation using a uniform grid. IEEE Computer Graphics and Applications 13(3): 36-47 (1993) - 1992
- [j14]Les A. Piegl:
An introduction to the curves and surfaces of computer-aided design: Robert C Beach Van Nostrand Reinhold, USA. Comput. Aided Des. 24(5): 288 (1992) - [j13]Tsung-Pao Fang, Les A. Piegl:
Algorithm for Delaunay triangulation and convex-hull computation using a sparse matrix. Comput. Aided Des. 24(8): 425-436 (1992) - [j12]Jin J. Chou, Les A. Piegl:
Data reduction using cubic rational B-splines. IEEE Computer Graphics and Applications 12(3): 60-68 (1992) - [j11]Narayanan Anantakrishnan, Les A. Piegl:
Integer de Casteljau Algorithm for Rasterizing NURBS Curves. Comput. Graph. Forum 11(2): 151-162 (1992) - [j10]Narayanan Anantakrishnan, Les A. Piegl:
Integer subdivision algorithm for rendering NURBS curves. Vis. Comput. 8(3): 149-161 (1992) - [p1]Les A. Piegl:
7. Constructive Geometric Approach to Surface-Surface Intersection. Geometry Processing for Design and Manufacturing 1992: 137-159 - 1991
- [j9]Les A. Piegl:
On NURBS: a survey. IEEE Computer Graphics and Applications 11(1): 55-71 (1991) - 1990
- [j8]Les A. Piegl:
Happy birthday Pierre Bézier. Comput. Aided Des. 22(9): 522 (1990) - [j7]Les A. Piegl:
A program development for a university course in geometric modeling. Comput. Graph. 14(3-4): 501-504 (1990)
1980 – 1989
- 1989
- [j6]Les A. Piegl, Wayne Tiller:
A menagerie of rational B-spline circles. IEEE Computer Graphics and Applications 9(5): 48-56 (1989) - 1988
- [j5]Les A. Piegl:
Coons-type patches. Comput. Graph. 12(2): 221-228 (1988) - 1987
- [j4]Les A. Piegl:
Infinite Control Points-A Method for Representing Surfaces of Revolution Using Boundary Data. IEEE Computer Graphics and Applications 7(3): 45-55 (1987) - [j3]Les A. Piegl:
Interactive Data Interpolation by Rational Bezier Curves. IEEE Computer Graphics and Applications 7(4): 45-58 (1987) - [j2]Les A. Piegl:
Less Data for Shapes. IEEE Computer Graphics and Applications 7(8): 48-50 (1987) - 1983
- [j1]Les A. Piegl:
A fast algorithm for parametric curve plotting. Comput. Graph. 7(3-4): 361-367 (1983)
Coauthor Index
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