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Overcoming the obstacles of effective photogrammetric mensuration Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_projects/9g54xp58j

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  • This paper includes a literature review of the methodologies invoked to surmount difficulties inherent with aerial photograph mensuration. The synopsis of early achievements is followed by a more intensive examination of experimental studies of the last decade, particularly the work on controlled scale photography. This report on the pursuit of unbiased photo volume estimates culminates with a discussion of recent trials using the techniques of analytical stereoscopy. A Carto AP19O analytical stereoplotter linked to an IBM AT personal computer was used for precision camera orientation reconstruction at the moment of exposure, thereby removing many sources of bias. A trial photo cruise of a mature stand of Douglas-fir in Oregon's Coast Range indicates that it is possible, when using these mathematical solutions of parallax, to determine gross volumes to within five percent of ground-verified estimations.
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  • File scanned at 300 ppi (Monochrome) using Capture Perfect 3.0.82 on a Canon DR-9080C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2012-08-07T20:34:14Z (GMT) No. of bitstreams: 1 FarnsworthBlakeT1989.pdf: 435478 bytes, checksum: 95862d7adf6773b6c8de3af958ffebb5 (MD5)
  • description.provenance : Made available in DSpace on 2012-08-07T20:34:14Z (GMT). No. of bitstreams: 1 FarnsworthBlakeT1989.pdf: 435478 bytes, checksum: 95862d7adf6773b6c8de3af958ffebb5 (MD5) Previous issue date: 1989-11-10
  • description.provenance : Submitted by Patricia Black (patricia.black@oregonstate.edu) on 2012-08-07T20:06:32Z No. of bitstreams: 1 FarnsworthBlakeT1989.pdf: 435478 bytes, checksum: 95862d7adf6773b6c8de3af958ffebb5 (MD5)

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