Compensation method of digital image data

The present invention relates to a compensation method for compensating digital image data generated from a scanning module of a scanner when the luminance of a lamp tube is unstable. Several compensating gains are computed according to the luminance values of a reference white plate so as to compen...

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Bibliographic Details
Main Authors FENG CHANG-YUNG, LIN HUNG-TSE, LIN YIH-MING
Format Patent
LanguageEnglish
Published 22.06.2006
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Summary:The present invention relates to a compensation method for compensating digital image data generated from a scanning module of a scanner when the luminance of a lamp tube is unstable. Several compensating gains are computed according to the luminance values of a reference white plate so as to compensate the digital image data. The method of the present invention is implemented by software in a computer.
Bibliography:Application Number: US20050124974