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- Image_subtraction abstract "Image subtraction or pixel subtraction is a process whereby the digital numeric value of one pixel or whole image is subtracted from another image. This is primarily done for one of two reasons – levelling uneven sections of an image such as half an image having a shadow on it, or detecting changes between two images. This detection of changes can be used to tell if something in the image moved. This is commonly used in fields such as astrophotography to assist with the computerized search for asteroids or Kuiper belt objects in which the target is moving and would be in one place in one image, and another from an image one hour later and where using this technique would make the fixed stars in the background disappear leaving only the target. For an example see.".
- Image_subtraction wikiPageID "31938076".
- Image_subtraction wikiPageRevisionID "592172532".
- Image_subtraction hasPhotoCollection Image_subtraction.
- Image_subtraction subject Category:Astrophotography.
- Image_subtraction subject Category:Digital_photography.
- Image_subtraction subject Category:Photographic_techniques.
- Image_subtraction type Ability105616246.
- Image_subtraction type Abstraction100002137.
- Image_subtraction type Cognition100023271.
- Image_subtraction type Know-how105616786.
- Image_subtraction type Method105660268.
- Image_subtraction type PhotographicTechniques.
- Image_subtraction type PsychologicalFeature100023100.
- Image_subtraction type Technique105665146.
- Image_subtraction comment "Image subtraction or pixel subtraction is a process whereby the digital numeric value of one pixel or whole image is subtracted from another image. This is primarily done for one of two reasons – levelling uneven sections of an image such as half an image having a shadow on it, or detecting changes between two images. This detection of changes can be used to tell if something in the image moved.".
- Image_subtraction label "Image subtraction".
- Image_subtraction sameAs m.0gvv944.
- Image_subtraction sameAs Q6002283.
- Image_subtraction sameAs Q6002283.
- Image_subtraction sameAs Image_subtraction.
- Image_subtraction wasDerivedFrom Image_subtraction?oldid=592172532.
- Image_subtraction isPrimaryTopicOf Image_subtraction.