Research on the Dark-corner Correcting in Cell Phone''s Character Reorganization
手机文字识别中的暗角修正技术

From the point of word image recognition application in a cell phone.We analyzed the tunnel-effect feature which popularly existed in a cell phone and proposed a method which can abstract image from the word-contained images.The established model can rejuvenate the input image so as to finally resist vignetting from degradation of camera pattern in a cell phone.