Photogrammetry: Difference between revisions
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"Photogrammetry is generally defined as the art and science of making accurate measurements from [[Aerial Photography|aerial photography]]. For the purposes of this manual, aerial photography will be limited to near vertical photography taken from a conventional fixed-wing or rotary-winged aircraft of satellite. Aerial photographs, as they are initially exposed, do not provide for accurate measurements. Distortions in the camera systems coupled with the curvature of the earth must be accounted for and eliminated in a series of techniques and processes in order to make measurements at a predicted accuracy across the area of coverage of an aerial photograph. These photogrammetric processes allow the user to view three dimensions from a two-dimensional surface (aerial photograph)."<ref name="USACE">[[Engineering and Design: PHOTOGRAMMETRIC MAPPING (EM 1110-1-1000) | Engineering and Design: PHOTOGRAMMETRIC MAPPING (EM 1110-1-1000) , USACE, 2002]]</ref> | "Photogrammetry is generally defined as the art and science of making accurate measurements from [[Aerial Photography|aerial photography]]. For the purposes of this manual, [[Aerial Photography|aerial photography]] will be limited to near vertical photography taken from a conventional fixed-wing or rotary-winged aircraft of satellite. Aerial photographs, as they are initially exposed, do not provide for accurate measurements. Distortions in the camera systems coupled with the curvature of the earth must be accounted for and eliminated in a series of techniques and processes in order to make measurements at a predicted accuracy across the area of coverage of an aerial photograph. These photogrammetric processes allow the user to view three dimensions from a two-dimensional surface (aerial photograph)."<ref name="USACE">[[Engineering and Design: PHOTOGRAMMETRIC MAPPING (EM 1110-1-1000) | Engineering and Design: PHOTOGRAMMETRIC MAPPING (EM 1110-1-1000) , USACE, 2002]]</ref> | ||
Photogrammetry can be used to create detailed geologic maps that can be helpful in dam design. | Photogrammetry can be used to create detailed geologic maps that can be helpful in dam design. | ||
==<noautolinks>Best Practices Resources</noautolinks>== | ==<noautolinks>Best Practices Resources</noautolinks>== | ||
{{Document Icon}} [[National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations | National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations | {{Document Icon}} [[National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations | National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations, NRCS, 2012]] | ||
{{Document Icon}} [[Geophysical Exploration for Engineering and Environmental Investigations (EM 1110-1-1802) | Geophysical Exploration for Engineering and Environmental Investigations (EM 1110-1-1802) | {{Document Icon}} [[Geophysical Exploration for Engineering and Environmental Investigations (EM 1110-1-1802) | Geophysical Exploration for Engineering and Environmental Investigations (EM 1110-1-1802), USACE, 1995]] | ||
{{Document Icon}} [[Design of Small Dams | Design of Small Dams | {{Document Icon}} [[Design of Small Dams | Design of Small Dams, USBR, 1987]] | ||
==Trainings== | ==Trainings== | ||
Revision as of 23:15, 19 December 2022
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| Aerial Photograph |
"Photogrammetry is generally defined as the art and science of making accurate measurements from aerial photography. For the purposes of this manual, aerial photography will be limited to near vertical photography taken from a conventional fixed-wing or rotary-winged aircraft of satellite. Aerial photographs, as they are initially exposed, do not provide for accurate measurements. Distortions in the camera systems coupled with the curvature of the earth must be accounted for and eliminated in a series of techniques and processes in order to make measurements at a predicted accuracy across the area of coverage of an aerial photograph. These photogrammetric processes allow the user to view three dimensions from a two-dimensional surface (aerial photograph)."[1]
Photogrammetry can be used to create detailed geologic maps that can be helpful in dam design.
Best Practices Resources
National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations, NRCS, 2012
Design of Small Dams, USBR, 1987
Trainings
Citations:
Revision ID: 6069
Revision Date: 12/19/2022