private void back(Bitmap originImg)
{
//如果只有两种颜色，则是文本阅读模式。直接识别
//如果颜色驳杂，则说明是看动漫模式。用下面这种
// OpenCVTest(originImg);
originImg.Save("origin.jpg");
/*
* Bitmap sharpBlackImg = MoveGreyToWhite(originImg);
* sharpBlackImg.Save("sharpBlack.jpg");
*/
Bitmap grey1 = ToGrey(originImg);
Bitmap blackWhiteOrigin = Thresholding(grey1);
blackWhiteOrigin.Save("blackWhiteOrigin.jpg");
BitmapRegion bitmapRegion = new BitmapRegion(originImg);
bitmapRegion.Regionalize();
bitmapRegion.CalColorPropForRegions();
Bitmap regionImage = bitmapRegion.DrawAndGetImage();
regionImage.Save("region.jpg");
Bitmap greyImg = ToGrey(regionImage);
greyImg.Save("grey.jpg");
int minR = 0;
Bitmap edgeImg = BitmapUtil.ToEdgeImg(originImg, out minR);
edgeImg.Save("edge.jpg");
var fontColor = GetFontStrokeColor(originImg, edgeImg, minR);
Bitmap blackWhiteImg = Thresholding(regionImage);
Bitmap blackAlphaImg = ReverseColor(blackWhiteImg);
blackAlphaImg.Save("blackAlpha.jpg");
Bitmap cleanImg = BitmapUtil.CleanEdgeSpot(blackAlphaImg);
cleanImg.Save("clean.jpg");
}
private Bitmap GetCleanImg(Bitmap originImg)
{
int minR = 0;
Bitmap edgeImg = BitmapUtil.ToEdgeImg(originImg, out minR);
//todo 强化文字行部分的edge
var fontStrokeColor = GetFontStrokeColor(originImg, edgeImg, minR);
var fontColor = fontStrokeColor.Item1;
var strokeColor = fontStrokeColor.Item2;
Bitmap strokeBackImg = BitmapUtil.RenderBackgroundToStrokeColor(originImg, strokeColor);
Bitmap blackFontImg = RemainFontAsBlackColor(strokeBackImg, fontColor);
originImg.Save("origin.jpg");
edgeImg.Save("edge.jpg");
strokeBackImg.Save("strokeBack.jpg");
blackFontImg.Save("blackFont.jpg");
return(blackFontImg);
}