TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
LOW FREQUENCY IMAGE [1 record]
Record 1 - internal organization data 2006-05-12
Record 1, English
Record 1, Subject field(s)
- Remote Sensing
- Mathematical Geography
Record 1, Main entry term, English
- low frequency image
1, record 1, English, low%20frequency%20image
correct, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
- low-pass image 2, record 1, English, low%2Dpass%20image
correct, see observation, officially approved
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An image consisting of smoothly varying gray values. 3, record 1, English, - low%20frequency%20image
Record number: 1, Textual support number: 1 CONT
Use of a low-pass filter can effectively remove image noise, however, it will deemphasize all high frequency information in an image. Therefore, it is important that you recreate the meaningful high frequency information. This is accomplished by passing a high-pass filter over the low-pass image you created and then adding back a percentage of the high-pass image. 4, record 1, English, - low%20frequency%20image
Record number: 1, Textual support number: 1 OBS
The term "low-pass image" is mostly used by the field specialists. 5, record 1, English, - low%20frequency%20image
Record number: 1, Textual support number: 2 OBS
low frequency image; low-pass image: terms officially approved by the RADARSAT-2 Terminology Approval Group (RTAG). 6, record 1, English, - low%20frequency%20image
Record 1, French
Record 1, Domaine(s)
- Télédétection
- Géographie mathématique
Record 1, Main entry term, French
- image de basse fréquence
1, record 1, French, image%20de%20basse%20fr%C3%A9quence
correct, feminine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
- image filtrée passe-bas 2, record 1, French, image%20filtr%C3%A9e%20passe%2Dbas
correct, see observation, feminine noun, officially approved
- image basse fréquence 3, record 1, French, image%20basse%20fr%C3%A9quence
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Image qui ne contient plus que les harmoniques inférieures d'une transformée de Fourier bidimensionnelle. 3, record 1, French, - image%20de%20basse%20fr%C3%A9quence
Record number: 1, Textual support number: 1 OBS
Image où les dégradés de gris sont uniformisés. 4, record 1, French, - image%20de%20basse%20fr%C3%A9quence
Record number: 1, Textual support number: 2 OBS
Le terme image filtrée passe-bas appartient à la langue de spécialité. 5, record 1, French, - image%20de%20basse%20fr%C3%A9quence
Record number: 1, Textual support number: 3 OBS
image de basse fréquence; image filtrée passe-bas : termes uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR). 5, record 1, French, - image%20de%20basse%20fr%C3%A9quence
Record 1, Spanish
Record 1, Textual support, Spanish
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