[ITS] IT terministandardi sõnastik

[et]
33.07.11

DCT

diskreetne koosinusteisendus (synonym)

‣ Matemaatiline teisendus kujutise esitamiseks kordajate hulgana.
Märkus:
▫Seda teisendust kasutatakse tihendusstandardites MPEG ja JPEG.
▫Valem on valem giffina
kus fj, j=1,...,N on andmemassiiv.
▫IDCT on DCT pöördteisendus.
EVS 2382-33:2003 (kehtiv)

[en]
33.07.11

DCT

discrete cosine transformation (synonym)

‣ A mathematical transformation used for representing an image by a set of coefficient.
Märkus:
▫- This transformation is used in the compression standards defined in MPEG and JPEG.
▫- The formula is valem giffina
with fj, j=1,...,N the data array.
▫- IDCT is the inverse of DCT.
EVS 2382-33:2003 (kehtiv)

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