Process of identifying the sky in an image and an image obtained using this process

Process of identifying the sky in an image and an image obtained using this process

The invention relates to a process of identification of sky in a digital image made up of a set of points that can be located in the plane of the image. Each point of an image being associated with a color and a brightness. According to the invention process the image is filtered and the filtered im...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: RISSON VALERY J
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:The invention relates to a process of identification of sky in a digital image made up of a set of points that can be located in the plane of the image. Each point of an image being associated with a color and a brightness. According to the invention process the image is filtered and the filtered image is then segmented into several portions. A mosaic image is then produced for which a color is associated with each portion. Portions having at least one point on the image edges are then selected and identified as sky. The portions have colors varying within a color range containing at least blue colors.