gray filter

gray filter

[′gra ‚fil·tər]
References in periodicals archive ?
The spot (edited to have what looks like an eerie gray filter from Instagram over it) shows a young boy narrating how he will never learn to ride a bike, get cooties from a girl, learn to fly, or get married, as a soft but deceptively uplifting song plays in the background.
28% for Polaroid gray filter, gray, brown and green filter respectively and the luminance of room was 476 cd [m.
However, Paired Samples-T test showed significant difference between stereopsis without filter and with gray filter and with polarized gray filter in the sunlight (p <0.
Contrast sensitivity showed that the greatest increase was while wearing a gray filter in the sun.
Also, regarding stereo acuity, gray filter had a negative effect on stereopsis.
This can be important in improving the visual performance of the users especially given that the least disruption of color vision with gray filter is vital for sensitive work such driving.
Status Without filter Without filter Gray filter Statistical in the room under the index sun light Mean [+ or -] SD 432.
Mocha's processing functions include image slicing, pseudo-color, monochrome and customizable lookup tables, true and pseudo-clearfield equalization, image arithmetic, gray filters, and histogram stretching.