Jaggies - определение. Что такое Jaggies
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Что (кто) такое Jaggies - определение

JAGGED EFFECT PRODUCED BY NAIVE UPSCALING OF RASTER SHAPES WITH FEW PIXELS DEFINING A CURVE
Jaggie

jaggies         
<graphics> /jag'eez/ (Or "staircase") The "staircase" effect observable when an edge (especially a linear edge of very shallow or steep slope) is rendered on a bitmap display (as opposed to a vector display). The effect is even more pronounced when a bitmap image or text in a bitmap font is enlarged. Outline fonts and anti-aliasing are two techniques used to solve this problem with text. [Jargon File] (1997-12-01)
Jaggy         
WIKIMEDIA DISAMBIGUATION PAGE
·adj Having jags; set with teeth; notched; uneven; as, jaggy teeth.
jaggy         
WIKIMEDIA DISAMBIGUATION PAGE
¦ adjective (jaggier, jaggiest)
1. jagged.
2. (also jaggie) Scottish prickly.

Википедия

Jaggies

"Jaggies" is the informal name for artifacts in raster images, most frequently from aliasing, which in turn is often caused by non-linear mixing effects producing high-frequency components, or missing or poor anti-aliasing filtering prior to sampling.

Jaggies are stair-like lines that appear where there should be "smooth" straight lines or curves. For example, when a nominally straight, un-aliased line steps across one pixel either horizontally or vertically, a "dogleg" occurs halfway through the line, where it crosses the threshold from one pixel to the other.

Jaggies should not be confused with most compression artifacts, which are a different phenomenon.

Примеры употребления для Jaggies
1. Next up were a pair of jaggies tests, and the BDP–S350 handled them with ease, clearly rendering both three pivoting lines and a rotating white line without excessive jaggies.
2. While we did notice a few subtle jaggies, we were overall very impressed.
3. Overall we found the DMP–BD50 to have slightly less jaggies on video–based titles, but you‘ll notice them very rarely.
4. It did a below–average job of smoothing out jaggies on rotating diagonal lines, and there were a good number of such artifacts in a waving American flag.
5. During the Film Resolution Loss Test, the BDP–S350 looked good on both the test pattern and the slow pan across Raymond James Stadium, showing none of the moire or jaggies that we often see on cheaper players.