dither

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Related to ditherers: hapless, all of a dither

dither

[′dith·ər]
(communications)
A technique for representing the entire gray scale of a picture by picture elements with only one of two levels (“white” and “black”), in which a multilevel input image signal is compared with a position-dependent set of thresholds, and picture elements are set to “white” only where the image input signal exceeds the threshold.
(control systems)
A force having a controlled amplitude and frequency, applied continuously to a device driven by a servomotor so that the device is constantly in small-amplitude motion and cannot stick at its null position. Also known as buzz.
References in periodicals archive ?
Bloody Sunday, January 1972, pushed pacifist ditherers over the edge, as massacres are wont to do.
It seems that ERC is run either by ditherers or greed merchants.
Answers on a postcard, not to me, but to Ditherers Ltd, c/o The Boardroom, Goodison Park.
Life's too short to waste fooling around with ditherers," Hughes stated with signature bluntness.
Sub Bruce Dyer, who should surely have been in Barnsley's starting line-up, had the pace to exploit the Leeds ditherers.
Aries March 21 - April 20 I MAKE no secret of my dislike for the free coffee ditherers in my local supermarket.
They will still provide a stern test to current ditherers.
CURTAINS Though he did wear a nice suit banishing, temporarily, my permanent image of Lib Dems as lentileating ditherers with a philosophy of seeing the best in everyone washed down with a nice cup of herbal tea.
This French side are weak-chested ditherers - get on the draw and have a nibble on 1-1.
There's a Meze set meal for ditherers like us who cannot make up their mind and this was super value at under pounds 15 each.
The uncertainty caused by a fruitless search around the city centre for a suitable site provided Labour with useful ammunition to back-up their allegation that the coalition cabinet is a bunch of ditherers.
An organisation ridiculed for being hapless, hopeless and, at times, a haven for ditherers, dodderers and men of inaction.