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A flail-like iron staff (left) in military compendium Wujing Zongyao Schematic representation of the three main Chinese martial arts staffs. The gun is fashioned with one thick end as the base and a thinner end near the tip, and is cut to be about the same height as the user or 6 foot.
A quarterstaff (plural quarterstaffs or quarterstaves), also short staff or simply staff is a traditional European polearm, which was especially prominent in England during the Early Modern period. The term is generally accepted to refer to a shaft of hardwood from 6 to 9 feet (1.8 to 2.7 m) long, sometimes with a metal tip, ferrule , or spike ...
A Scout staff (or Scout stave) is a shoulder-high wooden pole or quarterstaff, traditionally carried by Boy Scouts as part of their accoutrements. Its main purpose was as a walking stick or Trekking pole, but it had a number of other uses in emergency situations and can be used for Scout pioneering.
The use of gun cameras first became common for gunnery training in the 1920s, though examples were used during World War I by the British Royal Flying Corps.A special version of the Lewis gun, the Hythe Mark III, was manufactured as a camera gun for the Royal Flying Corps, used by trainees in lieu of actual Lewis guns during mock combat exercises.
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A full spectrum photograph of an old homestead in Montana Full Spectrum Geo-Referenced Orthomosaic (RGB+NIR) obtained with an UAV. Full-spectrum photography is a subset of multispectral imaging, defined among photography enthusiasts as imaging with consumer cameras the full, broad spectrum of a film or camera sensor bandwidth.
A technique for allowing a camera to be pre-focussed to a defined spot, and the exposure is only made when a subject is in focus at that spot. Also called trap focus. CMOS: Complementary metal oxide semiconductor. A semiconductor technology, used to create photosensor arrays for some digital cameras. [4] CMYK: CMYK color model. A subtractive ...
C ij = {(camera i,camera j):P'(camera i, XY i) ∩ P'(camera j, XY j) ≠ {}) So there is a set of camera vector pairs C ij for which the intersection of the inverse projections of two points XY i and XY j is a non-empty, hopefully small, set centering on a theoretical stationary point xyz.