private void button6_Click_1(object sender, EventArgs e)
{
Bitmap bmp = new Bitmap(imagePath);
bmp = RemoveBlackEdge(bmp);
gmseDeskew sk = new gmseDeskew(bmp);
double skewangle = sk.GetSkewAngle();
Bitmap bmp11 = RotateImage(bmp, -skewangle);
//新建第二个bitmap类型的bmp2变量，我这里是根据我的程序需要设置的。
Bitmap bmp2 = new Bitmap(1120, 1435, PixelFormat.Format16bppRgb555);
//将第一个bmp拷贝到bmp2中
Graphics draw = Graphics.FromImage(bmp2);
draw.DrawImage(bmp11, 0, 0);
// pictureBox1.Image = bmp2;//读取bmp2到picturebox
// name = openFileDialogEmpImage.FileName;
// openFileDialogEmpImage.Dispose();
draw.Dispose();
bmp.Dispose();//释放bmp文件资源
//blackedge remove and return bmp
pictureBox1.Image = null;
pictureBox1.Image = bmp2;
pictureBox1.Refresh();
}
private void deskew()
{
Bitmap bm = new Bitmap(img);
gmseDeskew sk = new gmseDeskew(bm);
sk.Binary(bm, true);
sk.NoiseRemoval(bm);
double skewangle = sk.GetSkewAngle();
img = RotateImage(img, (float)-skewangle);
}
private void button6_Click_1(object sender, EventArgs e)
{
try
{
OpenFileDialog openFileDialogEmpImage = new OpenFileDialog();
openFileDialogEmpImage.Filter = "*.jpg|*.jpg|*.png|*.png|*.bmp|*.bmp|*.tiff|*.tiff";//图片格式
if (openFileDialogEmpImage.ShowDialog() == DialogResult.OK)
{
// isUpLoadPicture = true;//记录是否上传了相片，用于后面保存操作使用：是一个成员变
try
{
empUpLoadPictureRealPos = openFileDialogEmpImage.FileName;//实际的文件路径+文件名
String[] empImageData = empUpLoadPictureRealPos.Split('.');
//empImageData[1]:是上传的图片的后缀名
empUpLoadPictureFormat = empImageData[1];
pictureBox1.Image = Image.FromFile(empUpLoadPictureRealPos);//将图片显示在pitureBox控件中
this.pictureBox1.ImageLocation = openFileDialogEmpImage.FileName;
}
catch
{
MessageBox.Show("您选择的图片不能被读取或文件类型不对！", "错误信息", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
catch (System.Exception ex)
{
MessageBox.Show("上传相片出错: " + ex.Message);
}
string st = "";
st = pictureBox1.ImageLocation;
st = st.Replace("\\", "\\\\");
// AutoCutBlackEdge(st);
Bitmap bmp = new Bitmap(st);
Bitmap bmpOut1 = RemoveBlackEdge(bmp);
gmseDeskew sk = new gmseDeskew(bmpOut1);
double skewangle = sk.GetSkewAngle();
Bitmap bmpOut = RotateImage(bmpOut1, -skewangle);
// pictureBox1.Image = bmpOut;
string fnOut = "d:\\test\\555.jpg";
//保存图像
bmpOut.Save(fnOut, ImageFormat.Jpeg);
MessageBox.Show("成功");
pictureBox1.Image = null;
pictureBox1.Refresh();
pictureBox1.Image = bmpOut;
}
protected override void deskewToolStripMenuItem_Click(object sender, EventArgs e)
{
if (imageList == null)
{
MessageBox.Show(this, Properties.Resources.LoadImage, strProgName);
return;
}
this.pictureBox1.Deselect();
this.Cursor = Cursors.WaitCursor;
gmseDeskew deskew = new gmseDeskew((Bitmap)this.pictureBox1.Image);
double imageSkewAngle = deskew.GetSkewAngle();
if ((imageSkewAngle > MINIMUM_DESKEW_THRESHOLD || imageSkewAngle < -(MINIMUM_DESKEW_THRESHOLD)))
{
imageList[imageIndex] = ImageHelper.Rotate((Bitmap)imageList[imageIndex], -imageSkewAngle);
this.pictureBox1.Image = new Bitmap(imageList[imageIndex]);
}
this.Cursor = Cursors.Default;
}
/// <summary>
/// 二值化识别
/// </summary>
/// <param name="imageFile"></param>
/// <returns></returns>
private string BinaryzationDiscern(string imageFile)
{
string number_str = "";
using (Bitmap bmp = new Bitmap(imageFile))
{
// 灰度处理
var bmps = Utils.ToGray(bmp);
// 处理自动校正
gmseDeskew sk = new gmseDeskew(bmps);
double skewangle = sk.GetSkewAngle();
Bitmap bmpOut = Utils.RotateImage(bmps, -skewangle);
var tempFile = GetImageFileName(1);
// 将二值化后的图像保存下
Utils.ToBinaryImage(bmpOut).Save(tempFile);
number_str = Discern(tempFile);
File.Delete(tempFile);
}
return(number_str);
}
protected override void deskewToolStripMenuItem_Click(object sender, RoutedEventArgs e)
{
if (imageList == null)
{
MessageBox.Show(this, Properties.Resources.LoadImage, strProgName);
return;
}
this.imageCanvas.Deselect();
this.Cursor = Cursors.Wait;
gmseDeskew deskew = new gmseDeskew((Bitmap)imageList[imageIndex]);
double imageSkewAngle = deskew.GetSkewAngle();
if ((imageSkewAngle > MINIMUM_DESKEW_THRESHOLD || imageSkewAngle < -(MINIMUM_DESKEW_THRESHOLD)))
{
originalImage = imageList[imageIndex];
stack.Push(originalImage);
imageList[imageIndex] = ImageHelper.Rotate((Bitmap)originalImage, -imageSkewAngle);
this.imageMain.Source = ImageConverter.BitmapToImageSource(imageList[imageIndex]);
}
this.Cursor = null;
}
public static void EnhanceImageQuality(string ImageDirectory)
{
// do image Enhance then call Do OCR
// convert - density 600 input.pdf output.tif;
//System.Drawing.Image SelectedImage = new System.Drawing.Image();
DirectoryInfo EnhancedImageDir = new DirectoryInfo(@"C:\OCR\EnhancedImage\");
Bitmap orgimg = (Bitmap)Bitmap.FromFile(ImageDirectory);
Bitmap bitmap = (Bitmap)Bitmap.FromFile(ImageDirectory);
Bitmap image2 = Grayscale.CommonAlgorithms.BT709.Apply(bitmap);
Rectangle rec = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
BitmapData bitmapdata = bitmap.LockBits(rec, ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed);
// create instance of skew checker
DocumentSkewChecker skewChecker = new DocumentSkewChecker();
// get documents skew angle
double angle = skewChecker.GetSkewAngle(bitmapdata);
// create rotation filter
RotateBilinear rotationFilter = new RotateBilinear(-angle);
rotationFilter.FillColor = Color.White;
// rotate image applying the filter
bitmap.UnlockBits(bitmapdata);
Bitmap rotatedImage = rotationFilter.Apply(orgimg);
rotatedImage.Save(ImageDirectory + ".tif");
using (MagickImage image = new MagickImage(ImageDirectory))
{
TextCleanerScript Cleaner = new TextCleanerScript();
// Cleaner.FilterSize = 12; // filter to clean up background;
// Cleaner.FilterOffset = (Percentage)3; //filter in percent to reduce noise
// Cleaner.Saturation = (Percentage)200; // high value to Saturation
//// Cleaner.Unrotate = true;
// var newImage1 = Cleaner.Execute(image);
// //newImage1.CannyEdge(); selcet the inner objects in the image
// newImage1.Density = new PointD(600, 600);
// newImage1.Write(EnhancedImageDir + Path.GetFileName(ImageDirectory)
// + ".tif");
AutotrimScript WhiteB = new AutotrimScript();
// WhiteB.InnerTrim = true;
var a = WhiteB.GetLargestAreaP(image);
WhiteboardScript AoutoTrim = new WhiteboardScript();
//AoutoTrim.SetCoordinates(new Coordinate(01, 53), new Coordinate(313, 31),
//new Coordinate(331, 218), new Coordinate(218, 200));
//AoutoTrim.Enhance = WhiteboardEnhancements.Both;
//AoutoTrim.FilterSize = 25; // filter to clean up background;
//AoutoTrim.FilterOffset = (Percentage)3; //filter in percent to reduce noise
//AoutoTrim.Saturation = (Percentage)200; // high value to Saturation
//AoutoTrim.SetCoordinates(new Coordinate(a[0].X, a[0].Y), new Coordinate(a[1].X, a[1].Y),
//new Coordinate(a[2].X, a[2].Y), new Coordinate(a[3].X, a[3].Y));
var new2mage2 = AoutoTrim.Execute(image);
// new2mage2.Deskew((Percentage)2);
AoutoTrim.SetCoordinates(new Coordinate(13, 3), new Coordinate(342, 6),
new Coordinate(331, 467), new Coordinate(38, 482));
AoutoTrim.Enhance = WhiteboardEnhancements.Both;
// new2mage2.Density= new PointD(300, 300);
new2mage2 = WhiteB.Execute(new2mage2);
new2mage2 = Cleaner.Execute(new2mage2);
new2mage2.Density = new PointD(600, 600);
new2mage2.Write(EnhancedImageDir + Path.GetFileName(ImageDirectory)
+ "2" + ".tif");
string dir12 = (EnhancedImageDir + Path.GetFileName(ImageDirectory)
+ "2" + ".tif");
Bitmap imageTobeDeske = new Bitmap(dir12);
gmseDeskew deskew = new gmseDeskew();
deskew.New(imageTobeDeske);
double angel = deskew.GetSkewAngle();
if (angel > 0)
{
angel = angel * -1;
}
WhiteB.BorderColorLocation = new Coordinate(10, 10);
//AoutoTrim.SetCoordinates(ad);
//WhiteB.ColorFuzz = (Percentage)20;
//var new2mage3 = WhiteB.Execute(image);
//new2mage3 = Cleaner.Execute(new2mage3);
//new2mage3.Write(EnhancedImageDir + Path.GetFileName(ImageDirectory)
// + "3" + ".tif");
}
}