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  2. Aerial survey - Wikipedia

    en.wikipedia.org/wiki/Aerial_survey

    Aerial survey is a method of collecting geomatics or other imagery data using airplanes, helicopters, UAVs, balloons, or other aerial methods. Typical data collected includes aerial photography , Lidar , remote sensing (using various visible and invisible bands of the electromagnetic spectrum , such as infrared , gamma , or ultraviolet ) and ...

  3. Photogrammetry - Wikipedia

    en.wikipedia.org/wiki/Photogrammetry

    Low altitude aerial photograph for use in photogrammetry. Location: Three Arch Bay, Laguna Beach, California. Photogrammetry is the science and technology of obtaining reliable information about physical objects and the environment through the process of recording, measuring and interpreting photographic images and patterns of electromagnetic radiant imagery and other phenomena.

  4. Photometric system - Wikipedia

    en.wikipedia.org/wiki/Photometric_system

    The sensitivity usually depends on the optical system, detectors and filters used. For each photometric system a set of primary standard stars is provided. A commonly adopted standardized photometric system is the Johnson-Morgan or UBV photometric system (1953). At present, there are more than 200 photometric systems. [citation needed]

  5. Category:Sudbury, Massachusetts - Wikipedia

    en.wikipedia.org/.../Category:Sudbury,_Massachusetts

    People from Sudbury, Massachusetts (34 P) Pages in category "Sudbury, Massachusetts" The following 11 pages are in this category, out of 11 total.

  6. Category:Photometric systems - Wikipedia

    en.wikipedia.org/wiki/Category:Photometric_systems

    Pages in category "Photometric systems" The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes. ...

  7. VisionMap A3 Digital Mapping System - Wikipedia

    en.wikipedia.org/wiki/VisionMap_A3_Digital...

    A3 LightSpeed processing system consists of a PC server configuration and software, which automatically processes data obtained during flight into photogrammetric mapping products. After a pre-process stage in which the user specifies the required outputs and output specifications, the system solves the AT and bundle adjustment automatically.

  8. Sloan Digital Sky Survey - Wikipedia

    en.wikipedia.org/wiki/Sloan_Digital_Sky_Survey

    SDSS photometric system filters u g r i z Mean wavelength (nm) 355.1 468.6 616.5 748.1 ... There is also the ever-growing list of data for the Stripe 82 region of the ...

  9. Assabet River National Wildlife Refuge - Wikipedia

    en.wikipedia.org/wiki/Assabet_River_National...

    The Assabet River National Wildlife Refuge (ARNWR; formerly referred to as the U.S. Army's Fort Devens-Sudbury Training Annex) is a 2,230-acre (9.0 km 2) protected National Wildlife Refuge located approximately 25 miles (40 km) west of Boston and 4 miles (6.4 km) west of the Eastern Massachusetts National Wildlife Refuge Complex Headquarters, along the Assabet River.