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Smear (optics)
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Smear (optics) : ウィキペディア英語版
Smear (optics)
In optics, smear is used to refer to motion that has low temporal frequency relative to the integration/exposure time. This typically results from a relative rate of the image with respect to the detector (e.g., caused by movement in the scene). Smear is typically differentiated from jitter, which has a higher frequency relative to the integration time. Whereas smear refers to a relatively constant rate during the integration/exposure time, jitter refers to a relatively sinusoidal motion during the integration/exposure time.
The equation for the optical Modulation transfer function associated with smear is the standard sinc function associated with an extended sample
:MTF_(u) = \frac
where u is the spatial frequency and \alpha is the amplitude of the smear in pixels.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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