TERMIUM Plus®

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Consult the Government of Canada’s terminology data bank.

THRESHOLDING [4 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-10-12

English

Subject field(s)
  • Artificial Intelligence
DEF

An approach to categorizing objects. A template is a series of numbers generated during feature extraction. Each number is located and obtained separately. When a new object is sensed, it is compared feature by feature with the template object in the computer memory. The object would have to match exactly the features in the template a given number of times to be categorized as a match with the template object. Template matching has been found useful with objects, such as typed letters, that are limited in variety.

French

Domaine(s)
  • Intelligence artificielle
DEF

En compréhension d'images, comparaison de la luminance de chaque point à une valeur de référence (le seuil). Les régions à seuil homogène sont ensuite caractérisées par leur périmètre, surface, moments d'inertie et par leur contour.

OBS

Après avoir apparié deux segments choisis dans le modèle de l'objet qui lui a été enseigné (objet de référence) avec deux segments observés, le système est capable de calculer la position et l'orientation de l'objet supposé identifié.

Spanish

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Record 2 2006-11-07

English

Subject field(s)
  • Remote Sensing
  • Applications of Automation
  • Computer Graphics
DEF

A procedure of binarization of an image by segmenting it to black and white regions (represented by ones and zeroes). The gray level of each pixel is compared to a threshold value and then set to 0 or 1 so that binary image analysis can then be performed.

OBS

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

French

Domaine(s)
  • Télédétection
  • Automatisation et applications
  • Infographie
DEF

Technique utilisée pour la perception des images numériques; elle consiste à mettre un niveau dans l'échelle de gris, au-dessus, les pixels seront perçus comme blancs, au-dessous, les pixels seront perçus comme noirs.

CONT

[...] la comparaison effectuée entre la valeur d'un élément, par exemple l'intensité d'un pixel, et une valeur de référence se dénomme le seuillage [...]

OBS

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

Spanish

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Record 3 1996-07-29

English

Subject field(s)
  • Electrical Engineering

French

Domaine(s)
  • Électrotechnique
OBS

Le seuil est imposé à un signal.

Spanish

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Record 4 1989-11-06

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 4

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