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GAUSSIAN MODE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2020-11-04

English

Subject field(s)
  • Computer Mathematics
  • Computer Programs and Programming
CONT

One remedy is to employ the [least-mean-square(LMS) ] algorithm in conjunction with a higher-order adaptation algorithm, in a mixed mode. Least-mean kurtosis(LMK) is a higher-order algorithm that has been shown to be advantageous to use if the noise distribution is Gaussian or super-Gaussian.

French

Domaine(s)
  • Mathématiques informatiques
  • Programmes et programmation (Informatique)
CONT

Les algorithmes d'ordre supérieur ont le désavantage commun de converger plus lentement, induisant une variance plus élevée que les techniques du second-ordre pour un même nombre d’échantillons K.

Spanish

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Record 2 2005-10-13

English

Subject field(s)
  • Remote Sensing
CONT

Linear contrast enhancement... linearly expands the original digital values of the remotely sensed data into a new distribution. By expanding the original input values of the image, the total range of sensitivity of the display device can be utilized. Linear contrast enhancement also makes subtle variations within the data more obvious. These types of enhancements are best applied to remotely sensed images with Gaussian or near-Gaussian histograms, meaning, all the brightness values fall within a narrow range of the histogram and only one mode is apparent. There are three methods of linear contrast enhancement : Minimum-Maximam Linear Contrast Stretch [;] Percentage Linear Contrast Stretch [and] Piecewise Linear Contrast Stretch.

OBS

There are several types of contrast enhancements which can be subdivided into Linear and Non-Linear procedures.

OBS

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

French

Domaine(s)
  • Télédétection
CONT

Le rehaussement linéaire de contraste réalise un étirement de contraste qui améliore de façon linéaire les valeurs numériques originales des données en une nouvelle diffusion. En étirant les valeurs originales de l'image entrée, l'intervalle total de niveau de gris peut être utilisé.

OBS

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

Key term(s)
  • rehaussement linéaire du contraste

Spanish

Save record 2

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