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FSC239Y5 (435)
Cahn (31)
Lecture

FSC239 Sept 16 2010
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Department
Forensic Science
Course
FSC239Y5
Professor
Cahn
Semester
Fall

Description
FSC239thSeptember 16PhotogrammetryForensic Mapping and Measurementhand measurementsvideo and digital stillstotalPhotogrammetryPhoto lightGram drawingMetry measuringPhotogrammetry is the science of obtaining measurement from photographsOrigins1480 Da Vinci1849 Aime Laussedatfather of photogrammetry1940s advancements in WW111980s due to improvements in computer hardware and software digital photogrammetry is gaining more and more importanceBasic Principles of PhotogrammetrySimplified CameraHeight of ObjectDistance from lensHeight of object as projected on sensorfocal lengthSingle Point Perspective1all vertical lines perpendicular to horizon2all horizontal lines parallel to horizon3all diagonal lines meet at a point on the horizonTwo Point Perspective1all vertical lines perpendicular to horizon2a
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