<p>Enhancement of an image includ es adjusting its brightness and then adjusting the contrast of the brightness adjusted image. Adjusti ng the brightness uses an estimation of real world luminance. Contrast adjustment involves extracting ba ckground and contrast information, adjusting the contrast inform ation by an adjustment factor based on the background information and combining the back ground corrected contrast information to obtain an output image.</p>
申请公布号
WO2010022558(A1)
申请公布日期
2010.03.04
申请号
WO2008CN72189
申请日期
2008.08.28
申请人
HONG KONG APPLIED SCIENCE AND TECHNOLOGY RESEARCHINSTITUTE CO. LTD;CHEN, MIN;PENG, HUAJUN;QIU, GUOPING