IMAGE QUALITY IMPROVING METHOD, OPTICAL NAVIGATION DEVICE CONTROL METHOD, AND OPTICAL NAVIGATION DEVICE USING THE METHODS

IMAGE QUALITY IMPROVING METHOD, OPTICAL NAVIGATION DEVICE CONTROL METHOD, AND OPTICAL NAVIGATION DEVICE USING THE METHODS

A computer readable recording medium comprising at least one program stored therein. An image quality improving method is performed when the program is executed. The image quality improving method comprises: (a) computing brightness contrast information of an original image captured by an image sens...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Lin, Yao-Hsuan, Chang, Bo-Yi
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:A computer readable recording medium comprising at least one program stored therein. An image quality improving method is performed when the program is executed. The image quality improving method comprises: (a) computing brightness contrast information of an original image captured by an image sensor of an optical navigation device; (b) computing a brightness variation level of the original image; and (c) improving an image quality of the original image based on the brightness contrast information and the brightness variation level.