000 02754nam a2200277 4500
001 391185
090 _a391185
100 _a20121008d2012 y0pory50 ba
101 _aeng
200 _aApplication of machine learning to toolmarks
_bRecurso eletrónico
_estatistically based methods for impression pattern comparisons
_fNicholas D. K. Petraco ... [et al.]
210 _aNew York
_ced. do a.
_d2012
215 _a1 CD-ROM
_d12 cm
300 _aResearch report funded by the U.S. Department of Justice, Award nr. 2009-DN-BX-K041. Ficheiro de 7,37 MB em formato PDF (101 p.). Disponível também em: https://www.ncjrs.gov/pdffiles1/nij/grants/239048.pdf. Acedido a 08 de outubro de 2012.
330 _aExecutive summary. Final technical report. I. Introduction: 1. Statement of the problem. 2. Review of relevant literature. 2.1 Introduction to toolmarks and toolmark examination. 2.2 Individualization of toolmarks. 2.3 Materials for experimentation. 2.4 Two schools of thought. 2.5 Methods and techniques of toolmark examination. 2.6 Reliability of toolmark examination. 2.7 Court decisions. 2.8 Statistics and toolmarks. 3. Rationale for the research. II. Materials and Methods: 1. Materials. 2. Methods for toolmark impression data collection. 1.1 Generating reproducible toolmark impressions. 1.2 Confocal microscope. 3. Machine learning methods for toolmark comparison. 3.1 General striated toolmark surface preprocessing and feature vector construction. 3.2 The data matrix and principal component analysis. 3.3 Canonical variate analysis. 3.4 Support vector machines. 4. Methods for error rate estimation. 4.1 Resubstitution methods. 4.2 Conformal prediction theory. III. Results: 1. Toolmark impression data collection and database. 1.1 Cartridge case striation and impression pattern collection. 1.2 Striated toolmark pattern collection. 1.3 Database and web interface. 1.4 Surface visualization and measurement software. 1.5 Profile simulator software. 1.6 R software and statistical analysis scripts. 2. Statistical Analyses. 2.1 Glock 19 Cartridge Casings. 2.2 Screwdriver striation patterns. IV. Conclusions: 1. Discussion of findings. 2. Implications for policy and practice. 3. Implications for further research. V. References. VI. Dissemination of research findings.
606 _aMARCAÇÃO DE OBJECTOS
_9343973
606 _aBALÍSTICA
_9320585
606 _aBASE DE DADOS
_9227272
606 _aARMA DE FOGO E MUNIÇÕES
_9343053
710 _aAPPLICATION OF MACHINE LEARNING TO TOOLMARKS
_9356877
955 _xOferta