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  2. Want to know what’s flying overhead? There’s an app for that

    www.aol.com/want-know-flying-overhead-app...

    And following these planes has become a hobby for some people; for example, in August 2022, when a US Air Force plane carrying then-House Speaker Nancy Pelosi landed in Taiwan, more than 700,000 ...

  3. Is that a drone or an airplane? How to check what's flying ...

    www.aol.com/news/drone-airplane-check-whats...

    Here's how to see which planes are overhead. Officials have stressed that many supposed drone sightings were "actually manned aircraft, operating lawfully." Here's how to see which planes are ...

  4. Viewing frustum - Wikipedia

    en.wikipedia.org/wiki/Viewing_frustum

    A view frustum The appearance of an object in a pyramid of vision When creating a parallel projection, the viewing frustum is shaped like a box as opposed to a pyramid.. In 3D computer graphics, a viewing frustum [1] or view frustum [2] is the region of space in the modeled world that may appear on the screen; it is the field of view of a perspective virtual camera system.

  5. Aerial photography - Wikipedia

    en.wikipedia.org/wiki/Aerial_photography

    Aerial Photography on Light aircraft under 20 kg (44 lb). Basic Rules for non commercial flying Of a SUA (Small Unmanned Aircraft). Article 241 Endangering safety of any person or property. A person must not recklessly or negligently cause or permit an aircraft to endanger any person or property. Article 94 small unmanned aircraft

  6. Triangulation (computer vision) - Wikipedia

    en.wikipedia.org/wiki/Triangulation_(computer...

    In computer vision, triangulation refers to the process of determining a point in 3D space given its projections onto two, or more, images. In order to solve this problem it is necessary to know the parameters of the camera projection function from 3D to 2D for the cameras involved, in the simplest case represented by the camera matrices.

  7. Pinhole camera model - Wikipedia

    en.wikipedia.org/wiki/Pinhole_camera_model

    This is also where the camera aperture is located. The three axes of the coordinate system are referred to as X1, X2, X3. Axis X3 is pointing in the viewing direction of the camera and is referred to as the optical axis, principal axis, or principal ray. The plane which is spanned by axes X1 and X2 is the front side of the camera, or principal ...

  8. Miniature faking - Wikipedia

    en.wikipedia.org/wiki/Miniature_faking

    The DoF extends between two planes on either side of the plane of focus that intersect at a point beneath the lens (see Depth of field in the Scheimpflug principle article for an illustration). The DoF is wedge shaped, with the apex of the wedge near the camera, and the height of the wedge increasing with distance from the camera.

  9. More planes flying overhead? Here's what to know about low ...

    www.aol.com/more-planes-flying-overhead-heres...

    The planes will be flying about 260 feet above the surface along pre-planned routes, though the ground clearance will be increased to 1,000 feet above populated areas. Flights will occur only ...