Browse by Current Cardiff authors

Weidner, C.A., Reed, E.A., Monroe, J., Sheller, B., O'Neil, S., Maas, E., Jonckheere, E.A., Langbein, F.C. ORCID: https://orcid.org/0000-0002-3379-0323 and Schirmer, S.G. 2025. Robust quantum control in closed and open systems: Theory and practice. Automatica 172 , 111987. 10.1016/j.automatica.2024.111987 Item availability restricted.

Alwadee, Ebtihal J., Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766, Qin, Yipeng ORCID: https://orcid.org/0000-0002-1551-9126 and Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323 2025. LATUP-Net: A lightweight 3D attention U-Net with parallel convolutions for brain tumor segmentation. Computers in Biology and Medicine 184 , 109353. 10.1016/j.compbiomed.2024.109353

Ma, Zien, Karakus, Oktay ORCID: https://orcid.org/0000-0001-8009-9319, Shermer, SM and Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323 2025. The impact of training data on MRS metabolite quantification with deep learning. Presented at: ISMRM & ISMRT Annual Meeting & Exhibition 2025, Honolulu, Hawaii, USA, 10-15 May 2025.

O'Neil, S. P., Weidner, C. A., Jonckheere, E. A., Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323 and Schirmer, S. G. 2024. Robustness of dynamic quantum control: Differential sensitivity bounds. AVS Quantum Science 6 (3) , 032001. 10.1116/5.0196110

Muftah, Asmail, Shermer, S.M. and Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323 2024. Texture feature analysis for classification of early-stage prostate cancer in mpMRI. Presented at: First International Conference on Artificial Intelligence in Healthcare, Swansea, UK, 4-6 September 2024. Published in: Xie, Xianghua, Styles, Iain, Powathil, Gibin and Ceccarelli, Marco eds. Artificial Intelligence in Healthcare. Lecture Notes in Computer Science , vol.14976 (14976) Springer, 10.1007/978-3-031-67285-9_9

Alwadee, Ebtihal, Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766, Qin, Yipeng ORCID: https://orcid.org/0000-0002-1551-9126 and Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323 2024. Assessing and enhancing the robustness of brain tumor segmentation using a probabilistic deep learning architecture. Presented at: 2024 ISMRM & ISMRT Annual Meeting & Exhibition, Singapore, 4-9 May 2024. Proceedings 2024 ISMRM & ISMRT Annual Meeting & Exhibition. (4526) International Society for Magnetic Resonance in Medicine, pp. 1-6.

O'Neil, Sean, Schirmer, Sophie, Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323, Weidner, Carie A. and Jonckheere, Edmond A. 2024. Time-domain sensitivity of the tracking error. IEEE Transactions on Automatic Control 69 (4) , pp. 2340-2351. 10.1109/TAC.2023.3331681

O'Neil, Sean P., Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323, Jonckheere, Edmond and Shermer, S. 2023. Robustness of energy landscape control to dephasing. Research Directions: Quantum Technologies 1 , e13. 10.1017/qut.2023.6

O'Neil, Sean P., Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323, Jonckheere, Edmond and Shermer, Sophie 2023. Robustness of energy landscape controllers for spin rings under coherent excitation transport. Research Directions: Quantum Technologies 1 , e12. 10.1017/qut.2023.5

O'Neil, S. P., Khalid, I., Rompokos, A. A., Weidner, C. A., Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323, Schirmer, S. and Jonckheere, E. A. 2023. Analyzing and unifying robustness measures for excitation transfer control in spin networks. IEEE Control Systems Letters 7 , pp. 2475-1456. 10.1109/LCSYS.2023.3279797

Khalid, Irtaza, Weidner, Carrie A., Jonckheere, Edmond A., Shermer, Sophie G. and Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323 2023. Sample-efficient model-based reinforcement learning for quantum control. [Online]. arXiv. Available at: https://arxiv.org/abs/2304.09718

Khalid, Irtaza, Weidner, Carrie A., Jonckheere, Edmond A., Shermer, Sophie G. and Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323 2023. Statistically characterizing robustness and fidelity of quantum controls and quantum control algorithms. Physical Review A 107 , 032606. 10.1103/PhysRevA.107.032606

Schirmer, Sophie G., Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323, Weidner, Carrie A. and Jocnkheere, Edmond 2022. Robust control performance for open quantum systems. IEEE Transactions on Automatic Control 67 (11) , pp. 6012-6024. 10.1109/TAC.2022.3181249

Rompokos, A. A., Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323 and Jonckheere, E. 2022. Information transfer in spintronics networks under worst case uncertain parameter errors. Presented at: IEEE 61st Conference on Decision and Control (CDC), Cancún, Mexico, 6-9 December 2022. 2022 IEEE 61st Conference on Decision and Control (CDC). IEEE, pp. 5824-5830. 10.1109/CDC51059.2022.9993088

Weidner, Carrie A., Schirmer, Sophie G., Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323 and Jonckheere, Edmond 2022. Applying classical control techniques to quantum systems: entanglement versus stability margin and other limitations. Presented at: IEEE Conference Decision and Control 2022, Cancún, Mexico, 6-9 December 2022. IEEE 61st Conference on Decision and Control (CDC). IEEE, pp. 5813-5818. 10.1109/CDC51059.2022.9992337

Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323 2022. Finding and characterising robust quantum controls. Presented at: Bristol Quantum Information Technologies Workshop (BQIT 2022), Bristol, England, 25-28 April 2022.

Schirmer, S. G., Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323, Weidner, C. A. and Jonckheere, E. A. 2021. Robustness of quantum systems subject to decoherence: structured singular value analysis? Presented at: 60th IEEE Conference of Decision and Control (CDC 2021), Austin, TX, USA, 13-15 December 2021.

Khalid, I., Weidner, C. A., Jonckheere, E. A., Schirmer, S. G. and Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323 2021. Reinforcement learning vs. gradient-based optimisation for robust energy landscape control of spin-1/2 quantum networks. Presented at: 60th IEEE Conference of Decision and Control (CDC 2021), Austin, TX, USA, 13-15 December 2021.

Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323 2021. Learning to control quantum systems robustly. Presented at: AI3SD Autumn Seminar 2021 - Quantum Machine Learning, Virtual, 10 November 2021.

Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323 2021. Finding and characterising robust quantum controls. Presented at: 2nd European Quantum Technologies Virtual Conference (EQTC 2021), Virtual, 29 November - 02 December 2021.

Jenkins, Christopher, Chandler, Max ORCID: https://orcid.org/0000-0003-0853-5336, Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323 and Shermer, Sophie 2019. Quantification of edited magnetic resonance spectroscopy: a comparative phantom based study of analysis methods. Presented at: ISMRM 27th Annual Meeting & Exhibition, Montréal, QC, Canada, 11-16 May 2019. -.

Jonckheere, Edmond, Schirmer, Sophie and Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323 2019. Effect of quantum mechanical global phase factor on error vs sensitivity limitation in quantum routing. Presented at: 58th IEEE Conf. Decision and Control (CDC 2019), Nice, France, 11th-13th December 2019. Proceedings of 58th IEEE Conf. Decision and Control (CDC 2019). IEEE,

Thorpe, Ben, Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323, Schirmer, Sophie and Kalna, Karol 2019. Temperature affected non-equilibrium spin transport in nanoscale In0.3Ga0.7As transistors. Presented at: 20th International Workshop on Computational Nanotechnology (IWCN), Evanston, IL, USA, 20-24 May 2019.

Evans, J. E., Burwell, G., Langbein, F.C. ORCID: https://orcid.org/0000-0002-3379-0323, Shermer, S.G. and Kalna, K. 2019. Dilute magnetic contact for a spin GaN HEMT. Presented at: Semiconductor and Integrated OptoElectronics Conference (SIOE) Conference, Cardiff, UK, 16-18 April 2019. Semiconductor and Integrated OptoElectronics Conference (SIOE) Conference. -.

Thorpe, Ben, Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323, Schirmer, Sophie and Kalna, Karol 2019. Temperature affected non-equilibrium spin transport in nanoscale In0.3Ga0.7As transistors. Presented at: 20th International Workshop on Computational Nanotechnology (IWCN), Evanston, IL, USA, 20-24 May 2019.

Schirmer, Sophie G., Jonckheere, Edmond A. and Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323 2018. Design of feedback control laws for information transfer in spintronics networks. IEEE Transactions on Automatic Control 63 (8) , pp. 2523-2536. 10.1109/TAC.2017.2777187

Schirmer, S, Jonckheere, E, O'Neil, S and Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323 2018. Robustness of energy landscape control for spin networks under decoherence. Presented at: IEEE 57th Annual Conference on Decision and Control (CDC), Miami Beach, FL, USA, 17-19 December 2018. IEEE,

Jonckheere, Edmond, Schirmer, Sophie and Langbein, Frank ORCID: https://orcid.org/0000-0002-3379-0323 2018. Jonckheere-Terpstra test for nonclassical error versus log-sensitivity relationship of quantum spin network controllers. International Journal of Robust and Nonlinear Control 28 (6) , pp. 2383-2403. 10.1002/rnc.4022

Rahimi, N., Kerfriden, P. ORCID: https://orcid.org/0000-0002-7749-3996, Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323 and Martin, R. R. 2018. CAD Model simplification error estimation for electrostatics problems. SIAM Journal on Scientific Computing 40 (1) , B196-B227. 10.1137/16M1078641

O'Neil, Sean, Jonckheere, Edmond, Schirmer, Sophie and Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323 2018. Sensitivity and robustness of quantum spin-1/2 rings to parameter uncertainty. Presented at: IEEE 56th Annual Conference on Decision and Control (CDC) 2017, Melbourne, Australia, 12-15 December 2017. IEEE 56th Annual Conference on Decision and Control (CDC) 2017. IEEE, pp. 6137-6142. 10.1109/CDC.2017.8264584

Jonckheere, Edmond A., Schirmer, Sophie G. and Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323 2017. Structured singular value analysis for spintronics network information transfer control. IEEE Transactions on Automatic Control 62 (12) , pp. 6568-6574. 10.1109/TAC.2017.2714623

Thorpe, B., Kalna, K., Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323 and Schirmer, S. 2017. Monte Carlo simulations of spin transport in a strained nanoscale InGaAs field effect transistor. Journal of Applied Physics 122 (22) , 223903. 10.1063/1.4994148

Thorpe, B., Kalna, K., Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Schirmer, S. G. 2017. Spin recovery in the 25nm gate length InGaAs field effect transistore. Presented at: International Workshop on Computational Nanotechnology, Windermere, UK, 6-9 June 2017. Proc. International Workshop on Computational Nanotechnology. pp. 168-169.

Jonckheere, E., Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323 and Schirmer, S. G. 2015. Information transfer fidelity in spin networks and ring-based quantum routers. Quantum Information Processing 14 , pp. 4751-4785. 10.1007/s11128-015-1136-4

Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Schirmer, S.G. and Jonckheere, E. 2015. Time optimal information transfer in spintronics networks. Presented at: 2015 IEEE 54th Annual Conference on Decision and Control (CDC), Osaka, Japan, 15-18 December 2015. 2015 IEEE 54th Annual Conference on Decision and Control (CDC) December 15-18, 2015. Osaka, Japan. IEEE, pp. 6454-6459.

Niu, Zhibin, Martin, Ralph Robert, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Sabin, Malcolm A. 2015. Rapidly finding CAD features using database optimization. Computer-Aided Design 69 , pp. 35-50. 10.1016/j.cad.2015.08.001

Schirmer, Sophie G. and Langbein, Frank C. ORCID: https://orcid.org/0000-0002-3379-0323 2015. Ubiquitous problem of learning system parameters for dissipative two-level quantum systems: Fourier analysis versus Bayesian estimation. Physical Review A 91 (2) , -. 10.1103/PhysRevA.91.022125

Niu, Zhibin, Martin, Ralph Robert, Sabin, Malcolm, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Bucklow, Henry 2015. Applying database optimization technologies to feature recognition in CAD. Computer-aided design and applications 12 (3) , pp. 373-382. 10.1080/16864360.2014.981468

Jonckheere, E., Langbein, F. C. ORCID: https://orcid.org/0000-0002-3379-0323 and Schirmer, S. 2014. Quantum networks: anti-core of spin chains. Quantum Information Processing 13 , pp. 1607-1637. 10.1007/s11128-014-0755-5

Schirmer, Sophie and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2014. Characterization and control of quantum spin chains and rings. Presented at: 2014 6th International Symposium on Communications, Control and Signal Processing (ISCCSP), Athens, 21 - 23 May 2014. Communications, Control and Signal Processing (ISCCSP), 2014 6th International Symposium on. IEEE, pp. 615-619. 10.1109/ISCCSP.2014.6877950

Tam, Gary K. L., Cheng, Zhi-Quan, Lai, Yukun ORCID: https://orcid.org/0000-0002-2094-5680, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Liu, Yonghuai, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395, Martin, Ralph Robert, Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766 and Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884 2013. Registration of 3D point clouds and meshes: A survey from rigid to nonrigid. IEEE Transactions on Visualization and Computer Graphics 19 (7) , pp. 1199-1217. 10.1109/TVCG.2012.310

Quinn, Jonathan Alexander, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Lai, Yukun ORCID: https://orcid.org/0000-0002-2094-5680 and Martin, Ralph Robert 2013. Generalized anisotropic stratified surface sampling. IEEE Transactions on Visualization and Computer Graphics 19 (7) , pp. 1143-1157. 10.1109/TVCG.2012.305

Wu, Jing ORCID: https://orcid.org/0000-0001-5123-9861, Martin, Ralph Robert, Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884, Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Lai, Yukun ORCID: https://orcid.org/0000-0002-2094-5680, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Liu, Y.- H. 2013. Making bas-reliefs from photographs of human faces. Computer-Aided Design 45 (3) , pp. 671-682. 10.1016/j.cad.2012.11.002

Quinn, Jonathan Alexander, Sun, Feng, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Lai, Yukun ORCID: https://orcid.org/0000-0002-2094-5680, Wang, Wenping and Martin, Ralph Robert 2012. Improved initialisation for centroidal Voronoi tessellation and optimal Delaunay triangulation. Computer-Aided Design 44 (11) , pp. 1062-1071. 10.1016/j.cad.2012.05.002

Jonckheere, Edmond, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Schirmer, Sophie G. 2012. Curvature of quantum rings. Presented at: 5th International Symposium on Communications Control and Signal Processing (ISCCSP, Rome, Italy, 2-4 May 2012. Communications Control and Signal Processing (ISCCSP), 2012 5th International Symposium on. IEEE, pp. 1-6. 10.1109/ISCCSP.2012.6217863

Jonckheere, E., Schirmer, S. G. and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2011. Geometry and curvature of spin networks. Presented at: 2011 IEEE Multi-Conference on Systems and Control, Denver, CO, USA, 28-30 September 2011. 2011 IEEE International Conference on Control Applications (CCA). Los Alamitos, CA: IEEE, pp. 786-791. 10.1109/CCA.2011.6044395

Li, Ming, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Martin, Ralph Robert 2010. Detecting design intent in approximate CAD models using symmetry. Computer-Aided Design 42 (3) , pp. 183-201. 10.1016/j.cad.2009.10.001

Li, Weishi, Martin, Ralph Robert and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2010. Merging and smoothing machining boundaries on cutter location surfaces. Presented at: 14th ACM Symposium on Solid and Physical Modeling, Haifa, Israel, 1-3 September 2010. Published in: Keyser, John and Kim, Myung-Soo eds. Proceedings of the 14th ACM Symposium on Solid and Physical Modeling, 1-3 September 2010, Haifa, Israel. New York: ACM, pp. 165-170. 10.1145/1839778.1839803

Schirmer, Sophie G. and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2010. Quantum system identification: Hamiltonian estimation using spectral and Bayesian analysis. Presented at: 4th International Symposium on Communications, Control and Signal Processing (ISCCSP 2010), Limassol, Cyprus, 3-5 March 2010. Published in: Constantinides, A. G. and Mitra, S. K. eds. Proceedings of the 4th International Symposium on Communications, Control and Signal Processing (ISCCSP) 2010. Los Alamitos, CA: IEEE, 10.1109/ISCCSP.2010.5463437

Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766, Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884, Martin, Ralph Robert and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2009. Random walks for feature-preserving mesh denoising. Computer Aided Geometric Design 25 (7) , pp. 437-456. 10.1016/j.cagd.2007.12.008

Li, Weishi, Martin, Ralph Robert and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2009. Molds for meshes: computing smooth parting lines and undercut removal. IEEE Transactions on Automation Science and Engineering 6 (3) , pp. 423-432. 10.1109/TASE.2009.2021324

Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766, Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884, Martin, Ralph Robert and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2009. Noise analysis and synthesis for 3D laser depth scanners. Graphical Models 71 (2) , pp. 34-48. 10.1016/j.gmod.2008.12.002

Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766, Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884, Martin, Ralph Robert and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2009. Bas-relief generation using adaptive histogram equalization. IEEE Transactions on Visualization and Computer Graphics 15 (4) , pp. 642-653. 10.1109/TVCG.2009.21

Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766, Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884, Martin, Ralph Robert and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2008. Noise in 3D laser range scanner data. Presented at: 10th International Conference on Shape Modeling and Applications, Stony Brook, NY, USA, 4-6 June 2008. Published in: Michela Spagnuolo, Michela, Cohen-Or;, Daniel and Gu, Xianfeng David Gu eds. Shape Modeling and Applications, 2008. SMI 2008. IEEE International Conference. Los Alamitos, CA: IEEE Computer Society, pp. 37-45. 10.1109/SMI.2008.4547945

Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Li, Ming and Martin, Ralph Robert 2008. A comment on 'constructing regularity feature trees for solid models'. Lecture Notes in Computer Science 4975 , p. 603. 10.1007/978-3-540-79246-8_53

Li, Ming, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Martin, Ralph Robert 2008. Detecting approximate symmetries of discrete point subsets. Computer-Aided Design 40 (1) , pp. 76-93. 10.1016/j.cad.2007.06.007

Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766, Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884, Martin, Ralph Robert and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2007. Fast and Effective Feature-Preserving Mesh Denoising. IEEE Transactions on Visualization and Computer Graphics 13 (5) , pp. 925-938. 10.1109/TVCG.2007.1065

Quinn, Jonathan Alexander, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Martin, Ralph Robert 2007. Low-discrepancy point sampling of meshes for rendering. Presented at: Eurographics/IEEE VGTC Symposium on Point-based graphics 2007, Prague, Czech Republic, 2-3 September 2007. Point-based graphics 2007 : Eurographics/IEEE VGTC Symposium proceedings, Prague, Czech Republic, September 2-3, 2007. Aire-la-Ville, Switzerland: Eurographics, pp. 19-28. 10.2312/SPBG/SPBG07/019-028

Liu, Shenglan, Martin, Ralph Robert, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884 2007. Segmenting periodic reliefs on triangle meshes. Presented at: 12th IMA International Conference, Sheffield, UK, 4-6 September 2007. Mathematics of surfaces XII : 12th IMA international conference, Sheffield, UK, September 4-6, 2007 : proceedings. Lecture notes in computer science (4647) Berlin, Germany: Springer, pp. 290-306. 10.1007/978-3-540-73843-5_18

Li, Weishi, Martin, Ralph Robert and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2007. Generating smooth parting lines for mold design for meshes. Presented at: ACM Symposium on Solid and Physical Modeling, Beijing, China, 4-6 June 2007. Proceedings, SPM 2007: ACM Symposium on Solid and Physical Modeling : Beijing, China, June 04-06, 2007. New York, USA: Association for Computing Machinery, pp. 193-204. 10.1145/1236246.1236274

Sun, Xianfang ORCID: https://orcid.org/0000-0002-6114-0766, Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884, Martin, Ralph Robert and Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 2007. Random walks for mesh denoising. Presented at: SPM 2007: ACM Symposium on Solid and Physical Modeling, Beijing, China, 4-6 June 2007. Proceedings, SPM 2007 : ACM Symposium on Solid and Physical Modeling : Beijing, China, June 04-06, 2007. New York, USA: Association for Computing Machinery, pp. 11-22. 10.1145/1236246.1236252

Li, Ming, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Martin, Ralph Robert 2007. Detecting approximate incomplete symmetries in discrete point sets. Presented at: ACM Symposium on Solid and Physical Modeling, Beijing, China, 4-6 June 2007. Proceedings, SPM 2007 : ACM Symposium on Solid and Physical Modeling : Beijing, China, June 04-06, 2007. New York, USA: Association for Computing Machinery, pp. 335-340. 10.1145/1236246.1236294

Liu, Shenglan, Martin, Ralph Robert, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884 2007. Segmenting geometric reliefs from textured background surfaces. Computer-aided design and applications 4 (5) , pp. 565-583.

Liu, Shenglan, Martin, Ralph Robert, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884 2007. Background surface estimation for reverse engineering of reliefs. International Journal of CAD/CAM 7 (1) , pp. 1-17.

Liu, Shenglan, Martin, Ralph Robert, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Rosin, Paul L. ORCID: https://orcid.org/0000-0002-4965-3884 2006. Segmenting reliefs on triangle meshes. Presented at: SPM 2006: ACM Symposium on Solid and Physical Modeling, Cardiff, UK, 6-8 June 2006. Proceedings, SPM 2006 : ACM Symposium on Solid and Physical Modeling : Cardiff, Wales, United Kingdom, June 06-08, 2006. , vol.SPM06 New York, USA: Association for Computing Machinery, pp. 7-16. 10.1145/1128888.1128890

Quinn, Jonathan Alexander, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Martin, Ralph Robert and Elber, G. 2006. Density-controlled sampling of parametric surfaces using adaptive space-filling curves. Presented at: Geometric Modeling and Processing (GMP 2006), Pittsburgh, PA, USA, 26-28 July 2006. Published in: Kim, Myung-Soo and Shimada, Kenji eds. Geometric Modeling and Processing - GMP 2006. Lecture notes in computer science (4077) Berlin-Heidelberg: Springer Verlag, pp. 465-484. 10.1007/11802914_33

Li, M., Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323 and Martin, Ralph Robert 2006. Constructing regularity feature trees for solid models. Presented at: Geometric Modeling and Processing (GMP 2006), Pittsburgh, PA, USA, 26-28 July 2006. Published in: Kim, Myung-Soo. S. and Shimada, Kenji eds. Geometric Modeling and Processing-GMP 2006. Lecture notes in computer science (4077) Berlin-Heidelberg: Springer Verlag, pp. 267-286. 10.1007/11802914_19

Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2004. Choosing Consistent Constraints for Beautification of Reverse Engineered Geometric Models. Computer-Aided Design 36 (3) , pp. 261-278. 10.1016/S0010-4485(03)00108-8

Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Gao, C. H., Mills, B. I., Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2004. Topological and geometric beautification of reverse engineered geometric models. Presented at: 9th ACM Symposium on Solid Modeling and Applications, Genoa, Italy, 9-11 June 2004. Published in: Fellner, Dieter W., Elber, Gershon, Patrikalakis, Nicholas M. and Brunet, Pere eds. Solid Modeling 2004. Aire- la- Ville, Switzerland: Eurographics Association, pp. 255-260.

Gao, C.H., Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395, Martin, Ralph Robert, Li, Y. and Yang, Z. 2004. Partial approximate symmetry detection of geometric model. Materials Science Forum 471/2 , pp. 702-706. 10.4028/www.scientific.net/MSF.471-472.702

Gao, C. H., Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2004. Local topological beautification of reverse engineered models. Computer-Aided Design 36 (13) , pp. 1337-1355. 10.1016/j.cad.2004.02.004

Gao, C.H., Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2003. Approximate congruence detection of model features for reverse engineering. Presented at: Shape Modeling International Conference 2003, 12-15 May 2003. Proceedings of the Shape Modeling International Conference 2003. IEEE, pp. 69-77. 10.1109/SMI.2003.1199603

Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2002. Numerical methods for beautification of reverse engineered geometric models. Presented at: Geometric Modeling and Processing, Wako, Saitama, Japan, 10-12 July 2002. Proceedings of Geometric Modeling and Processing. IEEE, pp. 159-168. 10.1109/GMAP.2002.1027507

Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Mills, Bruce Ian, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2001. Approximate Geometric Regularities. International Journal of Shape Modeling 7 (2) , pp. 129-162. 10.1142/S0218654301000096

Mills, Bruce Ian, Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2001. Approximate Symmetry Detection for Reverse Engineering. Presented at: Proceedings of the 6th ACM Symposium on Solid Modeling and Applications, 10.1145/376957.376985

Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Mills, B, Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2001. Finding approximate shape regularities for reverse engineering. Journal of Computing and Information Science in Engineering 1 (4) , pp. 282-290. 10.1115/1.1430232

Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Mills, Bruce I., Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2001. Finding approximate shape regularities in reverse engineered solid models bounded by simple surfaces. Presented at: ACM Symposium on Solid and Physical Modeling, Ann Arbor, MI, USA, 4-8 June 2001. Published in: Anderson, D. C. ed. Proceedings of the sixth ACM symposium on Solid modeling and applications (SMA '01). New York: ACM, pp. 206-215. 10.1145/376957.376981

Langbein, Frank Curd ORCID: https://orcid.org/0000-0002-3379-0323, Mills, B. I., Marshall, Andrew David ORCID: https://orcid.org/0000-0003-2789-1395 and Martin, Ralph Robert 2001. Recognizing geometric patterns for beautification of reconstructed solid models. Presented at: SMI 2001 International Conference on Shape Modeling and Applications, Genova, Italy, 7-11 May 2001. Proceedings of the SMI 2001 International Conference on Shape Modeling and Applications. IEEE, pp. 10-19. 10.1109/SMA.2001.923370