3D Crime Scene AnalysisEugene Liscio, P. Eng.
o AI2-3D, Established 2005, Documentation, Analysis and Visualization…
o Professional Engineers Ontario, October 1997
o President of International Association of Forensic & Security Metrology, (IAFSM, www.iafsm.org)
o Adjunct Professor, 3D Forensic Reconstruction Course at the University of Toronto, Mississauga, January 2013
o Research & Validation in “3D Forensics”
o Co-Developer of Clouds2Max plugin for 3ds Max
o FARO Certified Trainer, January 2014
o AI2-3D, Established 2005, Documentation, Analysis and Visualization…
o Professional Engineers Ontario, October 1997
o President of International Association of Forensic & Security Metrology, (IAFSM, www.iafsm.org)
o Adjunct Professor, 3D Forensic Reconstruction Course at the University of Toronto, Mississauga, January 2013
o Research & Validation in “3D Forensics”
o Co-Developer of Clouds2Max plugin for 3ds Max
o FARO Certified Trainer, January 2014
http://thecrashzone.com/wp-content/uploads/2012/05/total-station-pic.jpg
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PhotoModeler Scanner
3ds Max
Scene
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
1. Choose Stains/Clusters2. Place Markers3. Take Photographs4. Scan5. Align Photographs6. Mark Ellipses7. Calculate Origin
o Calculating Point of Origin of Blood Spatter Using Laser Scanning Technology, Nashad Hakim & Eugene Liscio, P. Eng.
o Journal of Forensic Sciences, March 2015
o 3 sets of 5 tests
o Distance/location moved further from wall for each set
(Single Surface) X = 6.99±7.77cmY = 0.03±1.14cmZ = 14.01±9.08cm
o The Accuracy of Laser Scanning Technology on the Determination of Bloodstain Origin, Rebecca Lee & Eugene Liscio, P. Eng.
o Completed, April 2014
o 3 sets of 10 tests
o Distance/location moved further from wall for each set
The Accuracy of Laser Scanning Technology on the Determination of Bloodstain Origin.
Rebecca Lee & Eugene Liscio, P. Eng.
Completed, April 2014
(Multiple Non-Orthogonal Surfaces) X = 3.8±3.1cm
Y = -3.3±3.5cmZ = 7.2±6.4cm
Inter-Observer Error (15 inexperienced Participants)Standard deviation for errors between x, y and z were 5.5 cm, 2.5 cm & 6.4 cm respectively
Impact
FARO Difference
Vector
HemospatDifference
Vector1 0.094 0.1442 0.087 0.0593 0.104 0.0154 0.059 0.004
Data Aligned in 3ds Max Data Aligned in CrimeZone
Night Scenes-HDR & iStar
Night Scenes-HDR & iStar
Night Scenes-HDR & iStar
Night Scenes-HDR & iStar
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