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DISSIMILARITY [13 records]

Record 1 2024-06-11

English

Subject field(s)
  • Artificial Intelligence
  • Information Processing (Informatics)
DEF

A procedure using a dynamic programming algorithm that nonlinearly aligns the time scales of stored speech templates and test speech samples to be recognized.

OBS

The nonlinear alignment is better than the linear alignment and provides a more realistic measure of dissimilarity between the patterns.

OBS

dynamic time warping; DTW: designations and definition standardized by ISO and the International Electrotechnical Commission

French

Domaine(s)
  • Intelligence artificielle
  • Traitement de l'information (Informatique)
DEF

Procédure utilisant un algorithme de programmation dynamique qui ajuste de façon non linéaire les échelles de temps des modèles de référence vocaux mémorisés et qui teste les échantillons de parole à reconnaître.

OBS

Un alignement non linéaire est meilleur qu'un alignement linéaire et offre une mesure plus réaliste des différences entre formes.

OBS

alignement temporel dynamique; comparaison dynamique : désignations et définition normalisées par l'ISO et la Commission électrotechnique internationale.

Spanish

Campo(s) temático(s)
  • Inteligencia artificial
  • Tratamiento de la información (Informática)
Save record 1

Record 2 2020-05-27

English

Subject field(s)
  • Mathematics
CONT

Based on the Bray-Curtis dissimilarity measure, there were no significant differences in the composition of terrestrial invertebrate collections among redside dace status groups...

French

Domaine(s)
  • Mathématiques
Key term(s)
  • mesure de dissimilarité de Bray-Curtis

Spanish

Save record 2

Record 3 - external organization data 2014-09-05

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
29.02.09 (2382)
ISO/IEC standard entry number
DEF

procedure using a dynamic programming algorithm that nonlinearly aligns the time scales of stored speech templates and test speech samples to be recognized

OBS

The nonlinear alignment is better than the linear alignment and provides a more realistic measure of dissimilarity between the patterns.

OBS

dynamic time warping; DTW: term, abbreviation and definition standardized by ISO/IEC [ISO/IEC 2382-29:1999].

French

Domaine(s)
  • Tiroir - ISO/CEI JTC 1 Vocabulaire des technologies de l'information
Entrée(s) universelle(s)
29.02.09 (2382)
ISO/IEC standard entry number
DEF

procédure utilisant un algorithme de programmation dynamique qui ajuste de façon non linéaire les échelles de temps des modèles de référence vocaux mémorisés et qui teste les échantillons de parole à reconnaître

OBS

Un alignement non linéaire est meilleur qu'un alignement linéaire et offre une mesure plus réaliste des différences entre formes.

OBS

alignement temporel dynamique; comparaison dynamique : termes et définition normalisés par l'ISO/CEI [ISO/IEC 2382-29:1999].

Spanish

Save record 3

Record 4 2006-06-01

English

Subject field(s)
  • Remote Sensing
DEF

[A filter used] to remove random noise while preserving high frequency features (edges).

CONT

The Gamma filter performs gamma map filtering. Gamma filtering is primarily used on radar data to remove high frequency noise (speckle) while preserving high frequency features (edges). The Gamma Map filter was first proposed by Kuan. ... Lopes modified the Kuan Map filter by assuming a gamma distributed scene and setting up two thresholds. The gamma filter size ranges from 1 to 11. Different filter sizes will greatly affect the quality of processed images. If the filter is too small, the noise filtering algorithm is not effective. If the filter is too large, subtle details of the image will be lost in the filtering process. A 7x7 filter usually gives the best results. ... The GAMMA filter performs spatial filtering on each individual pixel in an image using the grey level values in a square window surrounding each pixel. The dimensions of the filter must be odd, and can be from 3x3 to 11x11 pixels.

CONT

Gamma Filter yields the best smoothing and despeckling. Moreover, it seems to keep the edges without blurring the minimum. Eight textures are applied, based on the cooccurrence matrix. These textures include mean, variance, homogeneity, contrast, dissimilarity, entropy, second moment, and correlation.

OBS

The term MAP stands for Maximum A Posteriori.

OBS

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

PHR

Gamma-gaussian, gamma-beta, gamma-gamma MAP filter.

French

Domaine(s)
  • Télédétection
DEF

Filtre utilisé pour enlever les bruits aléatoires des images, tout en préservant les caractéristiques les plus pertinentes (bordures).

OBS

Pour le lissage et le déchatoiement des images, ce filtre surclasse tous les autres filtres.

OBS

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

Spanish

Save record 4

Record 5 2002-03-18

English

Subject field(s)
  • Genetics
  • Animal Breeding
  • Plant Breeding
  • Biotechnology
CONT

This is mate choice depending on similarity(assortive mating) or dissimilarity(disassortive or negative assortive mating).

French

Domaine(s)
  • Génétique
  • Amélioration génétique des animaux
  • Amélioration végétale
  • Biotechnologie

Spanish

Campo(s) temático(s)
  • Genética
  • Mejoramiento genético de animales
  • Mejora vegetal
  • Biotecnología
Save record 5

Record 6 1999-07-21

English

Subject field(s)
  • IT Security
DEF

A recently developed cryptanalysis method(Shamir and Eli Biham, TIT-Israel), in which many pairs of plaintext messages with carefully chosen differences are encrypted to find a corresponding pair of ciphertexts that have a certain dissimilarity. When such a pair is found, it reveals information about the key.

French

Domaine(s)
  • Sécurité des TI

Spanish

Save record 6

Record 7 1998-03-04

English

Subject field(s)
  • Labour and Employment

French

Domaine(s)
  • Travail et emploi

Spanish

Save record 7

Record 8 1997-10-06

English

Subject field(s)
  • Mathematics
CONT

Visualizing and structuring pairwise dissimilarity data are difficult combinatorial problems known as mutidimensional scaling or pairwise data clustering.

French

Domaine(s)
  • Mathématiques

Spanish

Save record 8

Record 9 1991-07-16

English

Subject field(s)
  • Statistical Surveys

French

Domaine(s)
  • Sondages et enquêtes (Statistique)

Spanish

Save record 9

Record 10 1989-12-07

English

Subject field(s)
  • Artificial Intelligence

French

Domaine(s)
  • Intelligence artificielle
DEF

Critère de regroupement d'exemples en groupes distincts. Il sert à départager des groupes présentant la même similarité.

Spanish

Save record 10

Record 11 1989-03-01

English

Subject field(s)
  • Artificial Intelligence

French

Domaine(s)
  • Intelligence artificielle

Spanish

Save record 11

Record 12 1989-02-17

English

Subject field(s)
  • Artificial Intelligence
OBS

Criterion used in cluster analysis.

French

Domaine(s)
  • Intelligence artificielle

Spanish

Save record 12

Record 13 1975-03-11

English

Subject field(s)
  • Statistical Methods
  • Marketing Research
OBS

D. statistical technique whereby data are analyzed and assigned to groups so that there will be considerable similarities within groups and considerable dissimilarity among groups.

French

Domaine(s)
  • Méthodes statistiques
  • Étude du marché
OBS

[1--]

Spanish

Save record 13

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