private void AutoProcessChar(object sender, EventArgs e)
{
if (this.showTypes != UserSetting.ShowTypes.CHAR)
{
MessageBox.Show("当前列表打开图片不对！");
return;
}
if (this.listInputImage.Items.Count == 0)
{
MessageBox.Show("请先导入图片");
return;
}
MessageBox.Show(" 请选择保存路径，处理过程中请不要进行其他操作！");
string savePath;
if (this.inputImageFolder.ShowDialog() == DialogResult.OK)
{
savePath = this.inputImageFolder.SelectedPath;
}
else
{
return;
}
List <string> files = new List <string>();
for (int i = 0; i < this.listInputImage.Items.Count; i++)
{
files.Add(this.listInputImage.Items[i].Text);
}
CharSegement.AutoProcessCharSegement(files, savePath);
MessageBox.Show("处理完成");
}
//车牌识别
public static string PlateRecognite(Mat matIn)
{
string plate = null;
if (!PlateCategorySVM.IsReady)
{
return("车牌识别库没有准备好");
}
if (!CharCategorySVM.IsReady)
{
return("字符识别库没有准备好");
}
//获取车牌
List <Mat> roiPlates = PlateLocator.PlateLocateByColor(matIn); //疑似区域
List <Mat> matPlates = new List <Mat>(); //车牌区域
for (int index = 0; index < roiPlates.Count; index++)
{
Mat mat = roiPlates[index];
if (PlateCategory.车牌 != PlateCategorySVM.Test(mat))
{
continue;
}
else
{
matPlates.Add(mat);
}
}
//颜色不行就用sobel
if (matPlates.Count == 0)
{
roiPlates.Clear();
roiPlates = PlateLocator.PlateLocateBySobel(matIn);
for (int index = 0; index < roiPlates.Count; index++)
{
Mat mat = roiPlates[index];
if (PlateCategory.车牌 != PlateCategorySVM.Test(mat))
{
continue;
}
else
{
matPlates.Add(mat);
}
}
}
if (matPlates.Count == 0)
{
return("无识别出车牌");
}
//下面根据识别出的车牌进行字符识别
for (int index = 0; index < matPlates.Count; index++)
{
Mat mat = matPlates[index];
List <Mat> roiChars = new List <Mat>();
roiChars = CharSegement.SplitePlateByOriginal(mat);
if (roiChars.Count == 0)
{
return("无识别字符");
}
for (int i = 0; i < roiChars.Count; i++)
{
plate = plate + CharCategorySVM.Test(roiChars[i]).ToString();
}
}
plate = plate.Replace("_", "");
plate = plate.Replace("非字符", "");
return(plate);
}
//展示最终结果
private void ProcessAndShowResult(Mat matIn)
{
currentTabCount = 0;
AddTag("原图", matIn);
this.listShowSplitImage.Items.Clear();
this.imgListSplitImage.Images.Clear();
this.imgListSplitImage.ImageSize = new System.Drawing.Size(192, 64);
List <Mat> roiPlates = PlateLocator.PlateLocateByColor(matIn); //疑似区域
List <Mat> matPlates = new List <Mat>(); //车牌区域
for (int index = 0; index < roiPlates.Count; index++)
{
Mat mat = roiPlates[index];
if (PlateCategory.车牌 != PlateCategorySVM.Test(mat))
{
continue;
}
else
{
matPlates.Add(mat);
}
}
//颜色不行就用sobel
if (matPlates.Count == 0)
{
roiPlates.Clear();
roiPlates = PlateLocator.PlateLocateBySobel(matIn);
for (int index = 0; index < roiPlates.Count; index++)
{
Mat mat = roiPlates[index];
if (PlateCategory.车牌 != PlateCategorySVM.Test(mat))
{
continue;
}
else
{
matPlates.Add(mat);
}
}
}
if (matPlates.Count == 0)
{
MessageBox.Show("没有识别出车牌");
return;
}
//下面根据识别出的车牌进行字符识别
for (int index = 0; index < matPlates.Count; index++)
{
string plate = null;
Mat mat = matPlates[index];
List <Mat> roiChars = new List <Mat>();
roiChars = CharSegement.SplitePlateByOriginal(mat);
if (roiChars.Count == 0)
{
continue;
}
for (int i = 0; i < roiChars.Count; i++)
{
plate = plate + CharCategorySVM.Test(roiChars[i]).ToString();
}
plate = plate.Replace("_", "");
plate = plate.Replace("非字符", "");
this.imgListSplitImage.Images.Add(mat.ToBitmap());
this.listShowSplitImage.Items.Add(plate);
this.listShowSplitImage.Items[index].ImageIndex = index;
}
//MessageBox.Show(PlateRecognition.PlateRecognite(matIn));
}
//显示图片和相关信息
private void ShowSpliteImage(List <Rect> rects, Mat matIn)
{
this.listShowSplitImage.Items.Clear();
this.imgListSplitImage.Images.Clear();
if (this.showTypes == UserSetting.ShowTypes.PLATE)
{
this.imgListSplitImage.ImageSize = new System.Drawing.Size(96, 32);
int index = 0;
foreach (Rect rect in rects)
{
Mat roi = new Mat(matIn, rects[index]);
if (!UserSetting.isAutoProcessPlate)
{
this.imgListSplitImage.Images.Add(roi.ToBitmap());
this.listShowSplitImage.Items.Add(index.ToString());
this.listShowSplitImage.Items[index].ImageIndex = index; //这三条顺序还还不能换，佛了
}
else
{
this.imgListSplitImage.Images.Add(roi.ToBitmap());
this.listShowSplitImage.Items.Add(PlateCategorySVM.Test(roi).ToString());
this.listShowSplitImage.Items[index].ImageIndex = index; //这三条顺序还还不能换，佛了
}
index++;
}
return;
}
if (this.showTypes == UserSetting.ShowTypes.CHAR)
{
this.imgListSplitImage.ImageSize = new System.Drawing.Size(16, 32);
int index = 0;
rects = CharSegement.SortLeftRects(rects);
foreach (Rect rect in rects)
{
Mat roi = new Mat(matIn, rects[index]);
if (!UserSetting.isAutoProcessChar)
{
this.imgListSplitImage.Images.Add(roi.ToBitmap());
this.listShowSplitImage.Items.Add(index.ToString());
this.listShowSplitImage.Items[index].ImageIndex = index; //这三条顺序还还不能换，佛了
}
else
{
this.imgListSplitImage.Images.Add(roi.ToBitmap());
this.listShowSplitImage.Items.Add(CharCategorySVM.Test(roi).ToString());
this.listShowSplitImage.Items[index].ImageIndex = index; //这三条顺序还还不能换，佛了
}
index++;
}
return;
}
if (this.showTypes == UserSetting.ShowTypes.All)
{
}
}
//展示字符
private void ProcessAndShowChars(Bitmap plate)
{
currentTabCount = 0;
Mat matIn = plate.ToMat();
AddTag("原图", matIn);
// matIn = Utilities.GammaTransform(matIn);
//AddTag("gamma增强", matIn);
//matIn = Utilities.IndexTransform(matIn);
//AddTag("指数增强", matIn);
//matIn = Utilities.LogTransform(matIn);
//AddTag("指数增强", matIn);
//matIn = Utilities.LaplaceTransform(matIn);
//AddTag("拉普拉斯",matIn);
Mat matGray = matIn.CvtColor(ColorConversionCodes.RGB2GRAY);
AddTag("灰度图", matGray);
PlateColor plateColor = CharSegement.GetPlateColor(matIn);
Mat matClear = CharSegement.ClearMaodingAndBorder(matGray, plateColor);
AddTag("去边框与铆钉", matClear);
//找轮廓
OpenCvSharp.Point[][] contours = null;
HierarchyIndex[] hierarchyIndices = null;
matClear.FindContours(out contours, out hierarchyIndices, RetrievalModes.External,
ContourApproximationModes.ApproxNone);
//求轮廓外接最小矩形
List <Rect> rects = new List <Rect>();
Mat matContours = matIn.Clone();
for (int index = 0; index < contours.Length; index++)
{
Rect rect = Cv2.BoundingRect(contours[index]);
if (CharSegement.VerifyRect(rect) &&
CharSegement.NotOnBorder(rect, matIn.Size()))
{
rects.Add(rect);
Cv2.Rectangle(matContours, rect, new Scalar(0, 0, 255), 1);
}
}
AddTag("外接矩形", matContours);
//去除内部矩形
Mat matInner = matIn.Clone();
rects = CharSegement.RejectInnerRectFromRects(rects);
for (int index = 0; index < rects.Count; index++)
{
Cv2.Rectangle(matInner, rects[index], new Scalar(0, 0, 255), 1);
}
AddTag("去内部矩形", matInner);
//调整矩形大小
Mat matAdjust = matIn.Clone();
rects = CharSegement.AdjustRects(rects);
for (int index = 0; index < rects.Count; index++)
{
Cv2.Rectangle(matAdjust, rects[index], new Scalar(0, 0, 255), 1);
}
AddTag("调整大小", matAdjust);
//得到安全矩形
rects = CharSegement.GetSafeRects(matIn, rects);;
//展示切割结果
ShowSpliteImage(rects, matIn);
}