TERMIUM Plus®

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

HIGHPASS FILTER [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2002-03-18

English

Subject field(s)
  • Remote Sensing
DEF

A spatial filter which selectively enhances contrast variations with high spatial frequencies in an image.

OBS

It improves [image] sharpness ... and edge enhancement.

OBS

high-pass filter: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

Key term(s)
  • highpass filter

French

Domaine(s)
  • Télédétection
CONT

[Le] filtre passe-haut est conçu pour faire ressortir [...] l'hétérogénéité d'une région [,] les petits détails de l'image.

OBS

Ce filtre (spectral ou spatial) accentue les variations de contraste par transmission des fréquences supérieures à une fréquence déterminée.

OBS

filtre passe-haut : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

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