Results 61 to 70 of about 1,480 (160)

Three-dimensional and tomographic imaging device for X-ray and gamma-ray emitting objects [PDF]

open access: yes, 1985
An instrument for obtaining quantitative, three-dimensional and tomographic information relating to X-ray and gamma-ray emitting objects and for the orthoscopic viewing of such objects includes a multiple-pinhole aperture plate held spaced from an X-ray ...
Yin, L. I.
core   +1 more source

Enhanced/Synthetic Vision and Head-Worn Display Technologies for Terminal Maneuvering Area NextGen Operations [PDF]

open access: yes, 2011
NASA is researching innovative technologies for the Next Generation Air Transportation System (NextGen) to provide a "Better-Than-Visual" (BTV) capability as adjunct to "Equivalent Visual Operations" (EVO); that is, airport throughputs equivalent to that
Arthur, Jarvis J., III   +5 more
core   +1 more source

A comparison of the Lixiscope with other X-ray imaging systems [PDF]

open access: yes
The imaging techniques relevant in the determination of the clinical potential of the Lixiscope are ...
Ofoghludha, F.
core   +1 more source

Perceiving distance in virtual reality: theoretical insights from contemporary technologies. [PDF]

open access: yesPhilos Trans R Soc Lond B Biol Sci, 2023
Creem-Regehr SH   +2 more
europepmc   +1 more source

Validating the use of U-tool as a novel method for measuring the corneal diameter in infants screened for congenital glaucoma. [PDF]

open access: yesIndian J Ophthalmol, 2022
Bafna RK   +6 more
europepmc   +1 more source

The use of visual cues for vehicle control and navigation [PDF]

open access: yes
At least three levels of control are required to operate most vehicles: (1) inner-loop control to counteract the momentary effects of disturbances on vehicle position; (2) intermittent maneuvers to avoid obstacles, and (3) outer-loop control to maintain ...
Battiste, Vernol, Hart, Sandra G.
core   +1 more source

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