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FGR 2006. 7th International Conference on. 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Centre for Vision, Speech and Signal Processing Faculty of Electronic Engineering University of Surrey; 2014."},{"issue":"2","key":"pone.0221197.ref050","doi-asserted-by":"crossref","first-page":"580","DOI":"10.1109\/TIP.2015.2496183","article-title":"An automatic 3D facial landmarking algorithm using 2D Gabor wavelets","volume":"25","author":"MA de Jong","year":"2016","journal-title":"IEEE Transactions on Image Processing"},{"key":"pone.0221197.ref051","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1002\/9781118786642.ch7","volume-title":"Three-dimensional imaging for orthodontics and maxillofacial surgery","author":"A Zhurov","year":"2010"},{"issue":"6","key":"pone.0221197.ref052","doi-asserted-by":"crossref","first-page":"1368","DOI":"10.1002\/ajmg.a.35346","article-title":"The face signature of fibrodysplasia ossificans progressiva","volume":"158","author":"P Hammond","year":"2012","journal-title":"American Journal of Medical Genetics Part A"},{"issue":"3","key":"pone.0221197.ref053","doi-asserted-by":"crossref","first-page":"324","DOI":"10.1016\/j.ijom.2011.10.019","article-title":"Improved facial outcome assessment using a 3D anthropometric mask","volume":"41","author":"P Claes","year":"2012","journal-title":"International journal of oral and maxillofacial surgery"},{"key":"pone.0221197.ref054","volume-title":"CMBBE2004 Proceedings","author":"AI Zhurov","year":"2005"},{"key":"pone.0221197.ref055","doi-asserted-by":"crossref","unstructured":"Sorkine O, Cohen-Or D, Lipman Y, Alexa M, R\u00f6ssl C, Seidel HP. 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Multiclass GentleAdaboosting; Updated 24 Nov 2011. Available from: https:\/\/uk.mathworks.com\/matlabcentral\/fileexchange\/22997-multiclass-gentleadaboosting."},{"issue":"11","key":"pone.0221197.ref083","doi-asserted-by":"crossref","first-page":"3698","DOI":"10.1016\/j.asoc.2012.07.021","article-title":"An initial seed selection algorithm for k-means clustering of georeferenced data to improve replicability of cluster assignments for mapping application","volume":"12","author":"F Khan","year":"2012","journal-title":"Applied Soft Computing"},{"issue":"1","key":"pone.0221197.ref084","first-page":"27","article-title":"Internal versus external cluster validation indexes","volume":"5","author":"E Rend\u00f3n","year":"2011","journal-title":"International Journal of computers and communications"},{"key":"pone.0221197.ref085","unstructured":"Rend\u00f3n E, Abundez IM, Gutierrez C, Zagal SD, Arizmendi A, Quiroz EM, et al. A comparison of internal and external cluster validation indexes. In: Proceedings of the 2011 American conference on applied mathematics and the 5th WSEAS international conference on computer engineering and applications, San Francisco, CA, USA. vol. 29; 2011. p. 158\u2013163."},{"key":"pone.0221197.ref086","doi-asserted-by":"crossref","unstructured":"Liu Y, Li Z, Xiong H, Gao X, Wu J. Understanding of internal clustering validation measures. In: 2010 IEEE International Conference on Data Mining. IEEE; 2010. p. 911\u2013916.","DOI":"10.1109\/ICDM.2010.35"},{"key":"pone.0221197.ref087","unstructured":"Stockburger DW. Multiple Regression with Categorical Variables;. Available from: http:\/\/www.psychstat.missouristate.edu\/multibook\/mlt08m.html."},{"issue":"3","key":"pone.0221197.ref088","doi-asserted-by":"crossref","first-page":"288","DOI":"10.1177\/0163278703255248","article-title":"Conducting power analyses for ANOVA and ANCOVA in between-subjects designs","volume":"26","author":"J Algina","year":"2003","journal-title":"Evaluation & the Health Professions"},{"issue":"3","key":"pone.0221197.ref089","doi-asserted-by":"crossref","first-page":"235","DOI":"10.1016\/S0275-5408(99)00064-2","article-title":"An introduction to analysis of variance (ANOVA) with special reference to data from clinical experiments in optometry","volume":"20","author":"RA Armstrong","year":"2000","journal-title":"Ophthalmic and Physiological Optics"},{"key":"pone.0221197.ref090","article-title":"Introduction to multivariate analysis","author":"C Chatfield","year":"2018","journal-title":"Routledge"},{"key":"pone.0221197.ref091","doi-asserted-by":"crossref","first-page":"291","DOI":"10.1016\/j.biomaterials.2015.02.039","article-title":"Nanostructured medical sutures with antibacterial properties","volume":"52","author":"C Serrano","year":"2015","journal-title":"Biomaterials"},{"key":"pone.0221197.ref092","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1016\/j.carbpol.2016.03.094","article-title":"Development of polyamide-6, 6\/chitosan electrospun hybrid nanofibrous scaffolds for tissue engineering application","volume":"148","author":"BK Shrestha","year":"2016","journal-title":"Carbohydrate polymers"},{"key":"pone.0221197.ref093","doi-asserted-by":"crossref","unstructured":"Tombari F, Salti S, Di Stefano L. Unique signatures of histograms for local surface description. In: European conference on computer vision. Springer; 2010. p. 356\u2013369.","DOI":"10.1007\/978-3-642-15558-1_26"},{"issue":"1","key":"pone.0221197.ref094","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1007\/s11263-015-0824-y","article-title":"A comprehensive performance evaluation of 3D local feature descriptors","volume":"116","author":"Y Guo","year":"2016","journal-title":"International Journal of Computer Vision"},{"key":"pone.0221197.ref095","doi-asserted-by":"crossref","DOI":"10.1007\/978-1-4614-6849-3","volume-title":"Applied predictive modeling","author":"M Kuhn","year":"2013"},{"issue":"2","key":"pone.0221197.ref096","doi-asserted-by":"crossref","first-page":"153","DOI":"10.1068\/p220153","article-title":"What\u2019s the difference between men and women? Evidence from facial measurement","volume":"22","author":"AM Burton","year":"1993","journal-title":"Perception"},{"issue":"1","key":"pone.0221197.ref097","article-title":"Characteristics of Korean Children\u2019s Facial Anthropometry Evaluated by Three-dimensional Imaging","volume":"33","author":"H Seo","year":"2016","journal-title":"Journal of the International Society for Respiratory Protection Vol"},{"issue":"3","key":"pone.0221197.ref098","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1007\/s11263-010-0360-8","article-title":"Anthropometric 3D face recognition","volume":"90","author":"S Gupta","year":"2010","journal-title":"International journal of computer vision"},{"issue":"8","key":"pone.0221197.ref099","doi-asserted-by":"crossref","first-page":"2249","DOI":"10.1109\/TIP.2006.875250","article-title":"Geodesic matching of triangulated surfaces","volume":"15","author":"AB Hamza","year":"2006","journal-title":"Image Processing, IEEE Transactions on"},{"key":"pone.0221197.ref100","first-page":"2004","volume-title":"Computer Science and Engineering","author":"T Gatzke","year":"2004"},{"key":"pone.0221197.ref101","unstructured":"Raschka S. About Feature Scaling and Normalization; Jul 11, 2014. Available from: https:\/\/sebastianraschka.com\/Articles\/2014_about_feature_scaling.html#about-standardization."},{"issue":"3","key":"pone.0221197.ref102","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1080\/00949659908811936","article-title":"An empirical comparison of permutation methods for tests of partial regression coefficients in a linear model","volume":"62","author":"MJ Anderson","year":"1999","journal-title":"Journal of statistical computation and simulation"},{"issue":"5","key":"pone.0221197.ref103","doi-asserted-by":"crossref","first-page":"1812","DOI":"10.1137\/050639296","article-title":"Efficient computation of isometry-invariant distances between surfaces","volume":"28","author":"AM Bronstein","year":"2006","journal-title":"SIAM Journal on Scientific Computing"},{"issue":"10","key":"pone.0221197.ref104","doi-asserted-by":"crossref","first-page":"698","DOI":"10.1016\/j.imavis.2012.02.007","article-title":"3D human face description: landmarks measures and geometrical features","volume":"30","author":"E Vezzetti","year":"2012","journal-title":"Image and Vision Computing"},{"issue":"6","key":"pone.0221197.ref105","doi-asserted-by":"crossref","first-page":"e99483","DOI":"10.1371\/journal.pone.0099483","article-title":"Geometric facial gender scoring: objectivity of perception","volume":"9","author":"SZ Gilani","year":"2014","journal-title":"PloS one"},{"issue":"3","key":"pone.0221197.ref106","doi-asserted-by":"crossref","first-page":"3446","DOI":"10.1016\/j.eswa.2011.09.033","article-title":"An experimental comparison of classification algorithms for imbalanced credit scoring data sets","volume":"39","author":"I Brown","year":"2012","journal-title":"Expert Systems with Applications"},{"key":"pone.0221197.ref107","first-page":"849","article-title":"On spectral clustering: Analysis and an algorithm","volume":"2","author":"AY Ng","year":"2002","journal-title":"Advances in neural information processing systems"},{"key":"pone.0221197.ref108","doi-asserted-by":"crossref","first-page":"96","DOI":"10.1016\/j.ins.2013.05.040","article-title":"Clustering with a new distance measure based on a dual-rooted tree","volume":"251","author":"L Galluccio","year":"2013","journal-title":"Information Sciences"}],"container-title":["PLOS ONE"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/dx.plos.org\/10.1371\/journal.pone.0221197","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,22]],"date-time":"2023-09-22T06:58:26Z","timestamp":1695365906000},"score":1,"resource":{"primary":{"URL":"https:\/\/dx.plos.org\/10.1371\/journal.pone.0221197"}},"subtitle":[],"editor":[{"given":"JJ","family":"Cray","sequence":"first","affiliation":[],"role":[{"role":"editor","vocabulary":"crossref"}]}],"short-title":[],"issued":{"date-parts":[[2019,10,29]]},"references-count":108,"journal-issue":{"issue":"10","published-online":{"date-parts":[[2019,10,29]]}},"URL":"https:\/\/doi.org\/10.1371\/journal.pone.0221197","relation":{},"ISSN":["1932-6203"],"issn-type":[{"value":"1932-6203","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,10,29]]}}}