Bloodstain measurement using computer-fitted theoretical ellipses: A study in accuracy and precision

Journal of Forensic Identification

Volumn 58, Issue 4, 2008, Pages 469-484

  Reynolds, Mark ^a   Franklin, Daniel ^a   Raymond, Michael A ^b   Dadour, Ian ^a  

^a UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

^b Ambulance Service of New South Wales   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

ACCURACY; ARTICLE; BLOOD STAIN; CALCULATION; COMPUTER ANALYSIS; COMPUTER ASSISTED ELLIPSE FITTING; DATA ANALYSIS SOFTWARE; MATHEMATICAL ANALYSIS; MATHEMATICS; MEASUREMENT; MEASUREMENT ERROR; RELIABILITY; STANDARD; VARIANCE;

EID: 46149109858     PISSN: 0895173X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (34)

1. Macquarie Dictionary, 3rd ed.; Delbridge, A., Bernard, J. R. L., Blair, D., Butler, S., Peters, P., Yallop, C., Eds.; The Macquarie Library: Sydney, 2003, p 1582.
2. Bevel, T.; Gardner, R. M. Bloodstain Pattern Analysis: With an Introduction to Crime Scene Reconstruction, 2nd ed; CRC Press: Boca Raton, FL, 2001; pp 75-77.
3. James, S. H.; Kish, P. E.; Sutton, T. P. Principles of Bloodstain Pattern Analysis: Theory and Practice; CRC Press: Boca Raton, FL, 2005; pp 99-103.
4. Raymond, M. A.; Hall, N. M. G.; Jones, M. K. Bloodstain Pattern Interpretation. In Expert Evidence; Freckelton, I., Selby, H., Eds; Law Book Company: Sydney, 2001; Vol. 3, 8:7031-7159.
5. Wonder, A. Y. Blood Dynamics; Academic Press: San Diego, CA, 2001.
6. Carter, A. L. The Directional Analysis of Bloodstain Patterns with a Computer. In Principles of Bloodstain Pattern Analysis: Theory and Practice; James, S. H., Kish, P. E., Sutton, T. P., Eds.; CRC Press: Boca Raton, FL, 2005; pp 242-243.
7. Carter, A. L. The Directional Analysis of Bloodstain Patterns: Theory and Experimental Validation. J. Can. Soc. For. Sci. 2006, 34 (4), pp 173-189.
8. Carter, A. L.; Forsythe-Erman, J.; Hawkes, V.; Illes, M.; Laturnus, P. L.; Lefebvre, G.; Stewart, C.; Yamashita, B. Validation of the BackTrack Suite of Programs for Bloodstain Pattern Analysis. J. For. Ident. 2006, 56 (2), 242-254.
9. Laturnus, P. Measurement Survey. IABPA Newsletter 1994, 10 (3), 14-27.
10. Rasmussen, W. Aspects Relevant to the Accuracy of Determining the Point of Origin of Velocity Impact Spatter Patterns, M.S.F.S. Thesis, Griffiths University, Brisbane, Qld, 2001.
11. Raymond, M. A. Oscillating Blood Droplets - Implications for Crime Scene Reconstruction, Ph.D. Thesis, La Trobe University, Melbourne, Vic, 1997.
12. Balthazard, V.; Piedelieuve, R.; Desoille, H.; DeRobert, L. A. Study of Projected Drops of Blood. Ann. Med. Leg. Criminal Police Sci. Toxicol. 1939, 19 (9), 265-323.
13. Janes, W. L. Developments in the Practical Reconstruction of Blood Spatter Events, M.S.F.S. Thesis, University of Auckland, Auckland, NZ, 2001.
14. March, J. Determining the Location of an Impact Site from Bloodstain Spatter Patterns: Computer-based Analysis of Estimate Uncertainty, Ph.D. Thesis, University of Nottingham, Nottingham, UK, 2005.
15. Willis, C.; Piranian, A. K.; Donaggio, J. R.; Barnett, R. J.; Rowe, W. F. Errors in the Estimation of the Distance of Fall and Angles of Impact Drops. For. Sci. Int. 2001, 123 (1), 1-4.
16. Pace A. The Relationship between Errors in Ellipse Fitting and the Increasing Degree of Error in Angle of Impact Calculations. Int. Assoc. Bloodstain Pattern Ana. News September 2005, pp 12-14.
17. Reynolds, M.; Raymond, M. A. New Bloodstain Measurement Process Using Microsoft Office Excel 2003 AutoShapes. J. For. Ident. 2008, 58 (4), 457-472.
18. WHO Multicentre Growth Reference Study Group. Reliability of Anthropometric Measurements in the WHO Multicentre Reference Study. Acta Paediatricia 2006, Supp. 450, 38-46.
19. Daubert v Merrell Dow Pharmaceutical. 509 US 579 (1993).
20. Makita (Australia) Pty Ltd v Sprowles. 2001, NSWCA, 305.
21. Ulijaszek, S. J.; Kerr, D. A. Anthropometric Measurement Error and the Assessment of Nutritional Status. Brit. J. Nutr. 1999, 82, 165-177.
22. Goto, R.; Mascie-Taylor, C. G. N. Precision of Measurement as a Component of Human Variation. J. Physiol. Anthropol. 2007, 26 (2), 253-56.
23. Perini, T. A.; Oliveira, G. L.; Ornellas, J. D. S.; Olivera, F. P. Technical Error of Measurement in Anthropometry. Rev. Bras. Med. Esporte. 2005, 11 (1), 86-90.
24. Ward, R. E.; Jamison, P. L. Measurement Precision and Reliability in Craniofacial Anthropometry: Implications and Suggestions. J. Craniofac. Genet. Dev. Biol. 1991, 11 (3), 156-164.
25. Knapp, T. R. Technical Error of Measurement: A Methodological Critique. Am. J. Phys. Anthropol. 1992, 87 (2), 235-236.
26. Marks, G. C.; Habicht, J. P.; Mueller, W. H. Reliability, Dependability, and Precision of Anthropometric Measurements: The Second National Health and Nutrition Examination Survey 1976-1980. Am. J. Epidemiol. 1989, 130 (3), 578-587.
27. Kirkup, L.; Frenkel, R. B. An Introduction to Uncertainty in Measurement; Cambridge University Press: Melbourne, Victoria, 2006.
28. Lira, I. Evaluating the Measurement Uncertainty: Fundamentals and Practical Guidance. Institute of Physics Publishing: Bristol, UK, 2002.
29. Carter, A. L.; Illes, M.; Maloney, K.; Yamashita, A. B.; Allen, B.; Brown, B.; Davidson, L.; Ellis, G.; Gallant, J.; Gradkowski, A.; Hignell, J.; Jory, S.; Laturnus, P. L.; Moore, C. C.; Pembroke, R.; Richard, A.; Spenard, R.; Stewart, C. Further Validation of the BackTrack™ Computer Program for Bloodstain Pattern Analysis - Precision and Accuracy. Int. Assoc. Bloodstain Pattern Ana. News September 2005, pp 15-22.
30. Illes, M. B.; Carter, A. L.; Laturnus, P. L.; Yamashita, A. B. Use of the BackTrack™ Computer Program for Bloodstain Pattern Analysis of Stains from Downward-Moving Drops. Can. Soc. Forensic. Sci. J. 2005, 38 (4), 213-218.
31. Chafe, F. Determination of Impact Angle using the Mathematical Properties of the Ellipse. Int. Assoc. Bloodstain Pattern Ana. News March 2003, pp 5-9.
32. Carr, R. V.; Rempel, R. D.; Ross, W. D. Sitting Height: An Analysis of Five Measurement Techniques. Am. J. Phys. Anthropol. 1989, 79 (3), 339-344.
33. Meuller, W. H.; Malina, R. M. Relative Reliability of Circumferences and Skin Folds as a Measure of Body Fat Distribution. Am. J. Phys. Anthropol. 1987, 72 (4), 437-439.
34. Weinberg, S. M.; Scott, N. M.; Neiswanger, K.; Marazita, M. L. Intraobserver Error Associated with Measurements of the Hand. Am. J. Hum. Biol. 2005, 17 (3), 368-371.