A Cost-Effective Line-BasedLight-Balancing TechniqueUsing Adaptive ProcessingShih-Chang Hsia, Ming-Huei Chen, Member, IEEE, and Yu-Min Chen

A Cost-Effective Line-BasedLight-Balancing TechniqueUsing Adaptive ProcessingShih-Chang Hsia, Ming-Huei Chen, Member, IEEE, and Yu-Min Chen

IEEE TRANSACTIONS ON IMAGE PROCESSING, VOL. 15, NO. 9, SEPTEMBER 2006

指導教授：萬書言報告學生：賴薏如

Sampling Gain Estimation

C ：一個 section 所含的 pixe數

Interpolations for Background (text

image)

SNi ：在第 N 個 section 裡的第 i 個 pixel值

BC ： brightness control

處理過後的 pixel level

處理前的 pixel level

Adaptive Gain Processing for Each

Pixel

Adaptive Gain Processing for Each

Pixel

G=1+H*wet

H=(n-1)*10

IED: improved edge diffence

P n: 第 n 個 pixel

THE END

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