unburned and burned probability distributions

French translation: distributions probabilistes des pixels brûlés et non brûlés

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:unburned and burned probability distributions
French translation:distributions probabilistes des pixels brûlés et non brûlés
Entered by: GILOU

06:50 Sep 12, 2016
English to French translations [PRO]
Tech/Engineering - Meteorology
English term or phrase: unburned and burned probability distributions
First, the algorithm selects pixels that are unlikely to have burned based on reflectance properties (a priori unburned pixels).
Next, a subset of the pixels in the cumulative active fire mask is used to create a burned area mask.
Lastly a mask of unburned training pixels is produced based on the a priori unburned pixels in the first step and the burned training mask.

3.5 In step 3.5 conditional probability density functions (PDF’s) are applied to the burned and unburned area masks for each land cover class present in the MODIS tile.
The rationale for this isolation is to help account for the differences in vegetation phenology, fuel state and fire conditions.

3.6 The unburned and burned probability distributions for each land cover are tested for separability.
alex.saviano
France
Local time: 18:24
distributions probabilistes des pixels brûlés et non brûlés
Explanation:
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Note added at 5 minutes (2016-09-12 06:55:17 GMT)
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unburned pixels in the first step and the burned training mask

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Note added at 9 minutes (2016-09-12 06:59:55 GMT)
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En donnant les valeurs des 3 bandes spectrales d’un pixel brûlé de l’image, le "cluster"
3D correspondant (pic de l’histogramme) constitue la base d’apprentissage. Bien que le
choix du pixel de départ soit crucial pour obtenir le bon pic de l’histogramme, il est très
facile de sélectionner visuellement un pixel brûlé.
Selected response from:

GILOU
France
Local time: 18:24
Grading comment
oui c'était bien ça.. merci Gilou
4 KudoZ points were awarded for this answer



Summary of answers provided
5distributions probabilistes des pixels brûlés et non brûlés
GILOU
4distributions probabilistes des zônes brûlées et non brûlées
FX Fraipont (X)


  

Answers


3 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
distributions probabilistes des zônes brûlées et non brûlées


Explanation:
"En parallèle des SIG, selon les métiers de chacun ...
http://www.forumsig.org › ... › Théorie desJun 27, 2011 - 95 posts - ‎8 authors
Application à l'évolution de la carte du risque d'incendie de forêt. ..... en région méditerranéenne : apport et limites d'usage des images satellites ...... façons: distributions probabilistes, nuages de points, ensembles continus."

FX Fraipont (X)
Belgium
Local time: 18:24
Native speaker of: Native in FrenchFrench
PRO pts in category: 36
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4 mins   confidence: Answerer confidence 5/5
distributions probabilistes des pixels brûlés et non brûlés


Explanation:
-

--------------------------------------------------
Note added at 5 minutes (2016-09-12 06:55:17 GMT)
--------------------------------------------------

unburned pixels in the first step and the burned training mask

--------------------------------------------------
Note added at 9 minutes (2016-09-12 06:59:55 GMT)
--------------------------------------------------

En donnant les valeurs des 3 bandes spectrales d’un pixel brûlé de l’image, le "cluster"
3D correspondant (pic de l’histogramme) constitue la base d’apprentissage. Bien que le
choix du pixel de départ soit crucial pour obtenir le bon pic de l’histogramme, il est très
facile de sélectionner visuellement un pixel brûlé.


GILOU
France
Local time: 18:24
Native speaker of: French
PRO pts in category: 105
Grading comment
oui c'était bien ça.. merci Gilou
Login to enter a peer comment (or grade)



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