The complete publications (in Japanese) is available here.

Selected Publications & Presentations

1. Norimasa Yoshida, Takafumi Saito, Curvature Monotonicity Regions of 2D Polynomial and Rational Bézier Curves as the Intersection of Implicit Regions, Computer-Aided Design and Applications, Vol. 22, No. 1, pp.68-80, Jan. 2025.  https://doi.org/10.14733/cadaps.2025.68-80
   A Mathematica code for computing the CMEF of a 2D polynomial Bézier curve is available at https://notebookarchive.org/2024-06-1xe104l .

2. Shoichi Tsuchie, Norimasa yoshida, 𝛼-Curves:Extended log-aesthetic curves with variable shape parameter, Computers & Graphics, Vol. 118, pp.60-70,  Feb. 2024.  https://doi.org/10.1016/j.cag.2023.11.006

3. Norimasa Yoshida, Seiya Sakurai, Hikaru Yasuda, Taisei Inoue and Takafumi Saito, Visualization of the Curvature Monotonicity Regions of Polynomial Curves and its Application to Curve Design, Computer-Aided Design and Applications, Vol. 21, No.1, pp.75-87, Jan. 2024. doi: 10.14733/cadaps.2024.75-87

4. Norimasa Yoshida and Takafumi Saito, Shape Information of Curves and its Visualization using Two-tone Pseudo Coloring, Computer-Aided Design and Applications, Vol. 21, No.1, pp.11-28, Jan. 2024. doi: 10.14733/cadaps.2024.11-28
   A Mathematica code for computing alpha is available at https://notebookarchive.org/2024-06-1ucl8i6. 

5. Takafumi Saito and Norimasa Yoshida, Curvature monotonicity evaluation functions on rational Bézier curves. Computers & Graphics, Vol. 114, pp.219-229, Aug. 2023. doi: https://doi.org/10.1016/j.cag.2023.05.019.
   A Mathematica code for computing the CMEF of a 2D polynomial Bézier curve is available at https://notebookarchive.org/2024-06-1xe104l .

6. Shoichi Tsuchie, Norimasa Yoshida, High-quality approximation of log-aesthetic curves based on the fourth order derivative, Journal of Computational Design and Engineering, Volume 9, Issue 6, pp. 2439–2451, Dec. 2022. https://doi.org/10.1093/jcde/qwac117

7. Ferenc Nagy, Norimasa Yoshida, Miklós Hoffmann, Interactive G1 and G2 Hermite interpolation using coupled log-aesthetic curves, Computer-Aided Design and Applications, Vol. 19, No. 6, pp.1216-1235, Nov. 2022. DOI:https://doi.org/10.14733/cadaps.2022.1216-1235

8. Norimasa Yoshida, Takafumi Saito, Intrinsically defined Planar Curves based on Explicit B-spline Curvature Functions, Computer-Aided Design and Applications, Vol. 19, No. 1, pp.152-163, Jan. 2022. DOI:https://doi.org/10.14733/cadaps.2022.164-17

9. Norimasa Yoshida, Takafumi Saito, Planar Curves based on Explicit Bézier Curvature Functions, Computer Aided Design and Applications, Vol. 17, No. 1, pp.77-87, Jan. 2020. DOI: https://doi.org/10.14733/cadaps.2020.77-87

10. Andrés Iglesias, Akemi Gálvez, Patricia Suárez, Mikio Shinya, Norimasa Yoshida, César Otero, Cristina Manchado and Valentin Gomez-Jauregui, Cuckoo Search Algorithm with Lévy Flights for Global-Support Parametric Surface Approximation in Reverse Engineering, Symmetry, 10(3), 58, 2018. DOI:10.3390/sym10030058

11. Rushan Ziatdinov,  Norimasa Yoshida and Tae-wan Kim, Visualization and analysis of regions of monotonic curvature for interpolating segments of extended sectrices of Maclaurin
, Computer Aided Geometric Design, Vol. 56, pp.35-47, Aug. 2017.  DOI: 10.1016/j.cagd.2017.06.003

12. Norimasa Yoshida, Takafumi Saito, Quadratic Log-Aesthetic Curves, Computer-Aided Design and Applications, Volume 14, Issue 2, pp. 219-226, March 2017.  DOI: 10.1080/16864360.2016.1223434 

13. Takafumi Saito, Midori Yamada and Norimasa Yoshida, Shape Analysis of Cubic Bézier Curves – Correspondence to Four Primitive Cubics, Computer-Aided Design and Applications, Vol. 11, Issue 5, pp.568-578, Apr. 2014.DOI: 10.1080/16864360.2006.10738484

14. Norimasa Yoshida, Ryo Fukuda, Toshio Saito and Takafumi Saito, Quasi-Log-Aesthetic Curves in Polynomial Bézier Form, Computer-Aided Design and Applications, Vol. 10, No. 6, pp. 983-993, 2013. DOI: 10.3722/cadaps.2013.983-993

15. D. S. Meek, T. Saito, D. J. Walton, N. Yoshida, Planar two-point G1 Hermite interpolating log-aesthetic spirals, Journal of Computational and Applied Mathematics, Volume 236, Issue 17, Pages 4485–4493, November 2012. 10.1016/j.cam.2012.04.021

16. N. Yoshida, Y. Kobayashi, T. Saito, K. Miura, G1 Hermite Interpolation of Bezier Unit Quaternion Integral Curves, Eighth International Conference on Mathematical Methods for Curves and Surfaces, 2012

17. T. Saito and N. Yoshida, G1 Hermite interpolation with extended Tschirnhausen cubic spirals, Eighth International Conference on Mathematical Methods for Curves and Surfaces, 2012.

18. N. Yoshida, T. Saito, The Evolutes of Log-Aesthetic Curves and The Drawable Boundaries of The Curve Segments, Computer-Aided Design and Applications, Volume 9, Number 5, pp. 721-731, 2012. 10.3722/cadaps.2012.721-731

19.  R. Ziatdinov, N. Yoshida, T. Kim,  Fitting  G2 multispiral transition curve joining two straight lines, Computer-Aided Design, Volume 44, Issue 6, pp.591-596, June, 2012.  10.1016/j.cad.2012.01.007

20. R. Ziatdinov, N. Yoshida, T. Kim, The analytic parametric equations of log-aesthetic curves in terms of incomplete gamma functions, Computer Aided Geometric Design, Volume 29, Issue 2, pp.129-140, February 2012.

21. N. Yoshida, R. Fukuda, T. Saito, T. Saito, Compound-rhythm Log-aesthetic Space Curve Segments, Computer-Aided Design and Applications, Vol. 8, No.2, pp.315-324, 2011.

22. N. Yoshida, R. Fukuda, T. Saito, Interactive Generation of 3D Class A Bezier Curve segments, Computer-Aided Design and Application, Vol. 7, No.2, pp.163-172, 2010.

23. R. Fukuda, N. Yoshida, T. Saito, Interactive Generation of Compound-Rhythm Log-Aesthetic Space Curves, Image Electronics and Visual Computing Workshop, 3B-4, 2010.

24. N. Yoshida, R. Fukuda, T. Saito, Logarithmic Curvature and Torsion Graphs, in Mathematical Methods for Curves and Surfaces 2008 edited by Daehlen et al.,  LNCS 5862, Springer, pp.434-443, 2010.

25. N. Yoshida, R. Fukuda, T. Saito, Log-Aesthetic Space Curve Segments, SIAM/ACM Joint Conference on Geometric and Physical Modeling (GDSPM), pp.35-46 2009.

26. N. Yoshida, T. Saito, Compound-Rhythm Log-Aesthetic Curves, Computer-Aided Design and Applications, Vol. 6, No.2, pp.243-252, 2009.

27. K. T. Miura, T. Akie, S. Agari, N. Yoshida, T. Saito, Discrete Log-Aesthetic Filter, Computer-Aided Design and Applications, Vol. 6, No. 4, pp.501-512, 2009.

28. Ryo Fukuda, Norimasa Yoshida and Takafumi Saito,Interactive Control of 3D Class-A Bzier Curves, SIGGRAPH ASIA, Sketches, 2008.

29. N. Yoshida, R. Fukuda, T. Saito, On the logarithmic curvature and torsion graphs, Mathematical methods for curves and surfaces, 2008.

30. N. Yoshida , T. Hiraiwa, and T. Saito, Interactive Control of Planar Class A Bezier Curves using Logarithmic Curvature Graphs, Computer-Aided Design & Applications, Vol.5, Nos.1-4, pp.121-130, 2008.

31. H. Kobayasi, N. Yoshida, M. Kanda, Two dimensional animation using mass-spring systems based on modal analysis, Image Electronics and Visual Computing Workshop, 1P-10, 2007.

32. Y. Ishibashi and N. Yoshida, View-dependent animation of a large school of fish, Image Electronics and Visual Computing Workshop, 1P-11, 2007.

33. Norimasa Yoshida and Takafumi Saito, Classification of Aesthetic Space Curves, SIAM Conference on Geometric Design and Computing, 2007.

34. Takafumi Saito and Norimasa Yoshida, Reflection Inflection Function: A Unified Analytical Theory of Reflection Distortion for Curved Surface Design, SIAM Conference on Geometric Design and Computing, 2007.

35. N. Yoshida and T. Saito, Quasi-Aesthetic Curves in Rational Cubic Bezier Forms, Computer-Aided Design & Applications, Vol. 4, Nos. 1-4, pp.477-486, 2007.

36. Norimasa Yoshida and Takafumi Saito, Interactive Aesthetic Curve Segments, The Visual Computer (Pacific Graphics), Vol.22, No 9-11, pp.896-905, 2006.

37. N. Yoshida and D. Sato: Interactive Visual Simualtion of Ecosystems – Visualizing Fish Schools Changing the Populations-, Computer Graphics and Imaging (CGIM 2005), pp.106-111, 2005.

38. T. Yamauchi, N. Yoshida, J. Doi, F. Yamaguchi: Efficient method of adaptive sign detection for 4×4 determinants using a standard arithmetic processing unit, The Visual Computer, Vol 27, No.1, pp. 37-46, Apr. 2004.

39. N. Yoshida, M. Usui, Y. Itami, and K. Kitajima: Global Space Deformation and its Application to Fashion Design, Computer Graphics and Imaging (CGIM 2002), pp.97-102, 2002.

40. N. Yoshida and K. Kitajima: Adaptive View-Dependent Display of Polygon Models, Electronics and Communications in Japan, Part 2, Vol.84, No.8, pp.1-9, 2001.

41. Y. Itami, N. Yoshida and K. Kitajima, Effective exercise instruction system using virtual human, Preliminary Proceedings 6th EUROGRAPHICS WORKSHOP ON MULTIMEDIA, p.187, 2001.

42. T. Yamauchi, N. Yoshida, and F. Yamaguchi: Adaptive Sign Detection Method 4×4 Determinants Using a Floating Point Processing, SIAM Conference on Geometric Design and Computing, Nov. 2001.

43. N. Yoshida, M. Usui, and K. Kitajima: Gaussian-Based Free Form Deformation and its Application to Fashion Design, Initiatives of Precision Engineering at the Beginning of A Millennium, Edited by Ichiro Inasaki, Kluwer Academic Publishers, pp.957-961, 2001.

44. S. Sanami, N. Yoshida, and K. Kitajima: A Proposal of Assembly Model Framework Specialized for Unified Parametrics, Initiatives of Precision Engineering at the Beginning of A Millennium, Edited by Ichiro Inasaki, Kluwer Academic Publishers, pp.962-966, 2001.

45. N. Yoshida and K. Kitajima: Polygonal Surface Simplification of Complex Objects for Real Time Display, 4th Japan-France/2nd Asia-Europe Congress on Mechatronics, pp.752-757, Oct. 1998.

46. N. Yoshida, M. Shiokawa, and F. Yamaguchi: Adaptive Sign Detection in 4×4 Determinant Method – Adaptive Sign Detection Method for n-Dimensional Inner Products -, Journal of Advanced Automation Technology, Vol. 7, No. 2, pp.128-134, 1995.

47. N. Yoshida, M. Shiokawa, and F. Yamaguchi: Solid Modeling Based on a New Paradigm, Computer Graphics Forum(Eurographics), Vol. 13, No.3, pp.55-64, 1994.

48. N. Yoshida, A. Nakahara, and F. Yamaguchi: THE SEGMENT CHAIN METHOD: A HIDDEN SURFACE ELIMINATION ALGORITHM FOR SOLID MODELS, COMPUGRAPHICS, pp.12-17, 1992.