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Technologies numériques & Education
Technologies numériques, TIC, Education, TICE, internet, médias et réseaux sociaux. Digital Technologies, Education, Web, Social Medias ; Digital Literacies.
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Gimpshop | The Free Photoshop Alternative

Gimpshop | The Free Photoshop Alternative | Technologies numériques & Education | Scoop.it

Gimpshop can get the job done, whether you're a beginner or a seasoned pro.


Via Frédéric DEBAILLEUL
Terheck's insight:

Un logiciel open source performant pour faire de la retouche photo

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The Only 4 Things You Absolutely Need To Know How To Do In Photoshop

The Only 4 Things You Absolutely Need To Know How To Do In Photoshop | Technologies numériques & Education | Scoop.it

"New to photo editing and only want to crop and remove red eyes from images? Then try a simple (and free!) software like Picasa. But if you're ready for something slightly more advanced, read on to learn the basics of Photoshop. The program's robust editing capabilities make the possibilities limitless, so don't let its numerous strangely labeled buttons and windows intimidate you. (Lasso tool? What?)

 

Before you really begin trying to learn how to use the program, take some time and mess around with some of the tools. Trial and error is the best way to learn. Those little icons on the right hand side are your weapons in the battle against boring photos, so get to know what they look like and what they do..."

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The most photographed places in the world

The most photographed places in the world | Technologies numériques & Education | Scoop.it
These are the most photographed places in the world according to Google Maps' Panoramio service. Of course, many people take photos and don't upload them to Google Maps but to other local services. Still, it's a very neat map.
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Understanding Exposure - ISO, Aperture and Shutter Speed Explained

Understanding Exposure - ISO, Aperture and Shutter Speed Explained | Technologies numériques & Education | Scoop.it
Exposure is a critical element that determines what is actually recorded on film or the image sensor. There are three adjustable elements that control the exposure - ISO, Aperture and Shutter Speed.
Terheck's insight:

Un peu hors sujet, mais très intéressant : Understanding Exposure - ISO, Aperture and Shutter Speed Explained

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Photo numérique : Cours complet en ligne

Photo numérique : Cours complet en ligne | Technologies numériques & Education | Scoop.it

"La photo numérique, ça s’apprend! Stéphane Noël (professeur à l’Ecole de Recherche Graphique, Bruxelles) propose sur son site Internet un cours complet d’initiation à l’image numérique.

Cette formation (sous licence Creative Commons) destinée à des étudiants présente des infos sur la technologie des appareils numériques, des bases historiques (aspect technique et aspect historique), des exercices, une présentation de photographes de renom et des liens vers des ressources complémentaires. (...)"


Via NetPublic
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Le format JPEG ajoute 4 bits et compresse sans perte

Le format JPEG ajoute 4 bits et compresse sans perte | Technologies numériques & Education | Scoop.it
JPEG est devenu synonyme de photo numérique, tellement ce format est utilisé. Il n'est pas un appareil qui ne propose d'enregistrer ses clichés en JPEG et pourtant, ce format est techniquement mauvais.
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100 splendides photos de la Seconde Guerre mondiale

100 splendides photos de la Seconde Guerre mondiale | Technologies numériques & Education | Scoop.it
HISTOIRE - La plupart des photos datant de la Seconde Guerre mondiale sont en noir et blanc. Mais certaines, rares, ont été prises en couleur, notamment celles commandées par le gouvernement américain.

Via Laurent Blanquer
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