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XERORADIOGRAPHIC [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2006-01-11

English

Subject field(s)
  • Computer Graphics
  • Photography
  • Remote Sensing
DEF

An image enhancement method to strengthen high spatial frequencies in the image.

CONT

A useful property of xeroradiographic images is that of "edge enhancement" in which borders within the image are emphasized and tend to be more easily recognized.

OBS

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

French

Domaine(s)
  • Infographie
  • Photographie
  • Télédétection
DEF

Amélioration d'image permettant d'augmenter la netteté des contours en accentuant le contraste entre les niveaux de gris des pixels de contour.

CONT

L'examen grâce à une propriété particulière appelée «effet de bord» améliore la visibilité de certaines images linéaires et des micro-calcifications par un renforcement des contrastes à la limite des zones dont la charge électrique résiduelle sur la plaque photosensible est différente.

OBS

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

Spanish

Campo(s) temático(s)
  • Gráficos de computadora
  • Fotografía
  • Teledetección
DEF

Técnica para el procesamiento de las imágenes para agudizar los bordes de los objetos en una imagen, suprimiendo lo borroso o destacando los detalles oscuros.

Save record 1

Record 2 1999-08-04

English

Subject field(s)
  • Electrical Engineering
  • Semiconductors (Electronics)
  • Telecommunications
CONT

Xeroradiographic processing must be carefully optimized to produce the best image quality at the lowest dose. Adjustments of electrical bias voltages and image toning parameters should be carried out in consultation with the equipment manufacturer's technical consultants.

OBS

The bias voltage that establishes a semiconductors desired DC operating voltage.

French

Domaine(s)
  • Électrotechnique
  • Semi-conducteurs (Électronique)
  • Télécommunications
CONT

Ce montage va nous permettre de polariser la diode avec une tension de 4,5 V et un courant de 50mA. La tension de polarisation sera ensuite modulée.

Spanish

Save record 2

Record 3 1986-07-10

English

Subject field(s)
  • Radiography (Medicine)
CONT

The modalities commonly used include x-ray mammography using film-screen or a xeroradiographic plate as the image receptor, and ultrasound.

French

Domaine(s)
  • Radiographie (Médecine)
CONT

La méthode moderne d'analyse du sein associe aux deux clichés standards de face et de profil une étude du prolongement supéro-externe de la glande et des éventuelles adénopathies axillaires. Ce cliché est réalisé sur plaque xérographique.

Spanish

Save record 3

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