نتایج جستجو برای: eye blink artifact
تعداد نتایج: 177135 فیلتر نتایج به سال:
PURPOSE To evaluate a new method of measuring ocular exposure in the context of a natural blink pattern through analysis of the variables tear film breakup time (TFBUT), interblink interval (IBI), and tear film breakup area (BUA). METHODS The traditional methodology (Forced-Stare [FS]) measures TFBUT and IBI separately. TFBUT is measured under forced-stare conditions by an examiner using a st...
PURPOSE To examine the temporal changes in the modulation transfer function (MTF) of the eye after a blink. METHODS The distance MTF of a 5-mm pupil was derived from double-pass retinal images in 20 healthy young subjects at various intervals after a blink (1 second up to 15 seconds). Such measurements include the effects of wavefront aberration, scattered light, and errors in focus and are t...
Eye blinking is a physiological necessity for humans. This method automatically locates the user’s eye by detecting eye blinks. Motion analysis techniques are used in this stage, followed by online creation of the open eye template. The open eye template is used to locate the user’s eye in the subsequent frames with template matching. Blink detection is performed using motion analysis technique...
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