serrilhamento do contorno

English translation: edge aliasing

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

Portuguese term or phrase:	serrilhamento do contorno
English translation:	edge aliasing
Entered by:	Andrea Munhoz

22:28 Aug 19, 2008

Portuguese to English translations [PRO]
Tech/Engineering - Media / Multimedia / TV Digital/ Definição de Imagem

Portuguese term or phrase: serrilhamento do contorno

Hello, everybody!

I've tried but couldn't find an appropriate translation for 'serrilhamento', although I know what it refers to.

Here's some context:

É um conjunto de tecnologias que enriquecem a imagem. Entenda as vantagens que cada uma dessas tecnologias traz:
O XXXX evita o serrilhamento do contorno de certos tipos de imagens, principalmente linhas inclinadas - contornos mais definidos.

Thanks in advance :-)

Andrea Munhoz KudoZ activity Questions: 79 (1 open) (5 closed without grading) Answers: 616 Brazil
Local time: 09:27

contour aliasing

Explanation:
See

..:: NETPÉDIA.com.br ::.. - Dicionário: jaggies serrilhadoNa computação gráfica, as descontinuidades que aparecem nas linhas diagonais e curvas traçadas em baixa resolução. Também chamado de aliasing (serrilhado). ...
www.netpedia.com.br/MostraTermo.php?TermID=3666 - 16k -

Selected response from:

Vidomar (X)
Local time: 09:27

Grading comment

4 KudoZ points were awarded for this answer

Summary of answers provided

5 +2

contour aliasing

Vidomar (X)

4 +1

aliased edge

Carlos Quandt

Discussion entries: 3

Answers

58 mins confidence:

peer agreement (net): +2

contour aliasing

Vidomar (X)
Local time: 09:27
Native speaker of:

Portuguese
PRO pts in category: 4

Notes to answerer

Asker: Muito obrigada! Resolveu meu problema :-)

2 hrs confidence:

peer agreement (net): +1

aliased edge

Explanation:
or "jagged edges", or "jaggies"

Aliased versus Anti-Aliased Edges
Ever noticed a tiny white rim around the edge of an irregularly shaped image that was placed on a dark background? Chances are the designer had anti-aliased edges on the image, then tried to use a transparency feature (such as transparent GIFs or transparency in Director) to show the image on a different color background. Anti-aliasing is a way that the computer smooths rounded edges to make them appear less choppy from the low resolution of a computer screen. When the image is made transparent, you are allowed to choose only one specific color to be removed. To eliminate a white background and see another color beneath it, a transparency feature may remove all white pixels. But it will hide only pixels that are exactly white. Anti-aliasing blurs edges to smooth them out, which means there are pixels that are nearly white but are shades of the edge of your image. These light pixels will not be made transparent, so they show up harshly on a dark background. To have a clean transparency, disable any features that will anti-alias the edges of your image. Note that this affects only images that are irregular in shape because the computer displays images in a rectangle. Graphics that are already rectangular have no need for transparency (unless you want an area within the borders to be made transparent).
http://podgoretsky.com/ftp/Docs/Internet/Creating ShockWave ...

Jaggies, bitmapped, aliased
Aliasing is the description given to jagged edges on curves and diagonal lines in bitmap images. They can be more easily seen if the image is enlarged to above 100% of its size.

Aliasing is unavoidable to some degree with on-screen images because of the fact that computer screens use pixels that run horizontally and vertically. In printed images, the jaggies can be avoided by using a digital image with a high enough resolution.

Anti-aliasing is the process whereby the jagged 'aliased' edges of a bitmapped image, or on-screen font, are smoothed.
http://www.designtalkboard.com/glossary/design/a-glossary.ph...

Anti-aliasing is a process that attempts to minimize the appearance of aliased or jagged diagonal edges, or “jaggies.”
http://www.spec.org/gwpg/publish/fsaa_in_vp10.html

Example sentence(s):

In graphic design, aliasing occurs when a computer monitor, printer, or graphics file does not have a high enough resolution to represent a graphic image or text. An aliased image is often said to have the "jaggies."
At the low resolution of 72 dpi typically used for on-screen graphics, black-and-white line art will always exhibit jagged, aliased edges

Reference: http://www.allgraphicdesign.com/aliasing.html

Carlos Quandt
Brazil
Local time: 10:27
Works in field
Native speaker of: Portuguese

Notes to answerer

Asker: Oi, quandt! Muito boa sua pesquisa. Vou escolher a opção do Vidomar pelo -ing. Esse -ed da sua resposta me soa como 'serrilhado' e não serrilhamento. De qualquer forma, muito obrigada!

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serrilhamento do contorno

English translation: edge aliasing

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