Image data update apparatus

An image data update apparatus that can highlight a component with maintaining an appearance of an image to which anti-aliasing is applied and with suppressing increase in processing load is provided. When periodically changing a color arrangement of a traffic congestion line bordered using a color...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HASHIZUME MASAYUKI, SAKAGUCHI NATSUKO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION GYROSCOPIC INSTRUMENTS IMAGE DATA PROCESSING OR GENERATION, IN GENERAL MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SEALS SIGNALLING SURVEYING TESTING TRAFFIC CONTROL SYSTEMS
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Beschreibung
Zusammenfassung:	An image data update apparatus that can highlight a component with maintaining an appearance of an image to which anti-aliasing is applied and with suppressing increase in processing load is provided. When periodically changing a color arrangement of a traffic congestion line bordered using a color of black and displayed on a map image, only a central portion of the traffic congestion line is changed. Each time the color arrangement is changed, anti-aliasing is applied only to a boundary between the central portion and bordering portion but not to a boundary with a background map image.