TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

MACRO BLOCK [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2008-05-08

English

Subject field(s)
  • Computer Graphics
  • Telecommunications Transmission
  • Video Technology
  • Television (Radioelectricity)
DEF

... a 16-by-16 array of complete pixels.

CONT

Each GOB [group of blocks] is composed of 33 macro blocks (MB). An MB consists of four blocks, each with 8 X 8 pixels, which together form a 16 X 16 block, and of the two assigned colour difference blocks, each with 8 X 8 pixels. The encoding loop is computed sequentially for each MB.

OBS

A macro-block is made up of four Y blocks plus one Pr block and one Pb block.

OBS

A block is an 8-by-8 array of colorless pixels. Thus a block is 64 8-bit numbers.

French

Domaine(s)
  • Infographie
  • Transmission (Télécommunications)
  • Vidéotechnique
  • Télévision (Radioélectricité)
CONT

Les quatre blocs 8 X 8 de données de luminance et les deux blocs 8 X 8 correspondants de données de chrominance, provenant d'une section 16 X 16 de la composante de luminance de l'image. Le macrobloc est utilisé tantôt pour se référer aux données de pixel, tantôt pour se référer à la représentation codée du pixel et à d'autres éléments de données définis dans la Couche Macrobloc de la syntaxe définie dans la Section 2 de la présente Norme internationale. L'utilisation est clairement déterminée d'après le contexte.

Spanish

Campo(s) temático(s)
  • Gráficos de computadora
  • Transmisión (Telecomunicaciones)
  • Técnicas de video
  • Televisión (Radioelectricidad)
CONT

La imagen se estructura en zonas o bloques de 8 x 8 pels (pixels de 8 bits) donde se aplica la DCT. [...] La agrupación de 4 bloques de luminancia y uno por cada componente de croma se denomina macrobloque. El macrobloque es la unidad básica donde se aplica la técnica de compensación de movimiento.

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Record 2 1992-04-10

English

Subject field(s)
  • Telecommunications
  • Electrical Engineering

French

Domaine(s)
  • Télécommunications
  • Électrotechnique

Spanish

Save record 2

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