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english:glossary:image [//19/04/2015 18:38//] – créée taienenglish:glossary:image [//26/08/2018 23:31//] (Version actuelle) joliveau
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 The word image is a polysemous term and not always well defined. In computing, a bitmap image consists of a matrix of dots (called [[english:glossary:pixels|pixels]]) with associated color codes. In the field of GIS and geomatics, it is useful to distinguish between images whose pixels are a value from an electromagnetic sensor, often from [[english:glossary:remotesensing|remote sensing]], and images whose color codes were assigned for example by a scanner, or by attribute values, qualitative or quantitative. In GIS, an image often takes the form of a raster grid. The word image is a polysemous term and not always well defined. In computing, a bitmap image consists of a matrix of dots (called [[english:glossary:pixels|pixels]]) with associated color codes. In the field of GIS and geomatics, it is useful to distinguish between images whose pixels are a value from an electromagnetic sensor, often from [[english:glossary:remotesensing|remote sensing]], and images whose color codes were assigned for example by a scanner, or by attribute values, qualitative or quantitative. In GIS, an image often takes the form of a raster grid.
- +\\ See also: [[english:glossary:rastermode|Raster (mode)]] 
-See: [[english:glossary:rastermode|Raster (mode)]]+\\ [[glossaire:image|[French: Image]]]
  
english/glossary/image.1429461512.txt.gz · Dernière modification : //19/04/2015 18:38// de taien

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