Ask an Expert: What is FOV and IFOV?
Автор: Sierra-Olympia Technologies
Загружено: 2023-01-18
Просмотров: 4395
Описание:
Stan Voynick, CTO of Sierra-Olympia expertly explains the complexity of FOV (Field of View) and IFOV (Instantaneous Field of View)
Field of view describes the entire extent of the whole image that is being detected by an infrared thermal imaging system. It can be stated in terms of the angle, the extent of the angle, starting from your imager out into the scene. Or it can be described as the linear extent of the scene at some distance from the imager. Instantaneous field of view, or IFOV, as we call it, is the angle subtended by just a single pixel in your detector array out into the scene. This can be calculated as the pixel size divided by the focal length.
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