public void MSER()
{
using var msers = new VectorOfVectorOfPoint();
using var bboxes = new VectorOfRect();
_mser.DetectRegions(_gray, msers, bboxes);
}
/// <summary>
/// Extracts MSER by C++-style code (cv::MSER)
/// </summary>
/// <param name="gray"></param>
/// <param name="dst"></param>
private void CppStyleMSER(Mat gray, Mat dst)
{
MSER mser = MSER.Create();
Point[][] contours;
Rect[] bboxes;
mser.DetectRegions(gray, out contours, out bboxes);
foreach (Point[] pts in contours)
{
Scalar color = Scalar.RandomColor();
foreach (Point p in pts)
{
dst.Circle(p, 1, color);
}
}
//Cv2.Rectangle(dst, bboxes, Scalar(rng.uniform(0, 255), rng.uniform(0, 255), rng.uniform(0, 255)), 3);
foreach (var item in bboxes)
{
Cv2.Rectangle(dst, item, Scalar.Red);
}
}
public async Task <string> PostAsync()
{
/*var task = this.Request.Content.ReadAsStreamAsync();
* task.Wait();
* Stream requestStream = task.Result;*/
try
{
string root = HttpContext.Current.Server.MapPath("~/App_Data");
var provider = new MultipartFormDataStreamProvider(root);
await Request.Content.ReadAsMultipartAsync(provider);
MultipartFileData file = provider.FileData[0];
string filename = file.LocalFileName;
string newfilename = file.Headers.ContentDisposition.FileName.Trim(new char[] { '\"' });
string newfilepath = root + '\\' + newfilename;
try
{
File.Delete(newfilepath);
File.Move(filename, newfilepath);
}
catch (Exception e)
{
Trace.WriteLine(e);
}
try
{
using (Mat src = new Mat(newfilepath, ImreadModes.Color))
using (Mat gray = new Mat())
using (Mat dst = src.Clone())
{
Cv2.CvtColor(src, gray, ColorConversionCodes.BGR2GRAY);
MSER mser = MSER.Create();
Point[][] msers;
Rect[] bboxes;
mser.DetectRegions(gray, out msers, out bboxes);
}
}
catch (Exception e)
{
Trace.WriteLine(e);
}
}
catch (IOException)
{
throw new HttpResponseException(HttpStatusCode.InternalServerError);
}
return(JsonConvert.SerializeObject(new { Dummy = "descriptor" }));
}
/// <summary>
/// Extracts MSER by C++-style code (cv::MSER)
/// </summary>
/// <param name="gray"></param>
/// <param name="dst"></param>
private void CppStyleMSER(Mat gray, Mat dst)
{
MSER mser = MSER.Create();
mser.DetectRegions(gray, out Point[][] contours, out _);
foreach (Point[] pts in contours)
{
Scalar color = Scalar.RandomColor();
foreach (Point p in pts)
{
dst.Circle(p, 1, color);
}
}
}
public static List <Pix> GetTextAreas(string filePath)
{
using (Mat src = new Mat(filePath, ImreadModes.Color))
using (Mat gray = new Mat())
{
Cv2.CvtColor(src, gray, ColorConversionCodes.BGR2GRAY);
MSER mser = MSER.Create();
Point[][] msers = null;
OpenCvSharp.Rect[] boundingBoxes = null;
mser.DetectRegions(gray, out msers, out boundingBoxes); // MSER::operator()
int meanWidth = (int)(boundingBoxes.Select(x => x.Width).Average());
int stdWidth = (int)(
Math.Sqrt(
boundingBoxes.Select(
x => x.Width
).Average(
x => x * x
) - Math.Pow(meanWidth, 2)));
int meanHeight = (int)(boundingBoxes.Select(x => x.Height).Average());
int stdHeight = (int)(
Math.Sqrt(
boundingBoxes.Select(
x => x.Height
).Average(
x => x * x
) - Math.Pow(meanHeight, 2)));
foreach (OpenCvSharp.Rect rect in boundingBoxes)
{
rect.Inflate(6, 2);
if (rect.Width - meanWidth < stdWidth && rect.Height - meanHeight < stdHeight)
{
gray.Rectangle(rect, Scalar.Black, -1);
}
}
var bitmapToPix = new BitmapToPixConverter();
return(ExtractTextAreasFromMask(gray).Select(x => bitmapToPix.Convert(x.ToBitmap())).ToList());
}
}
/// <summary>
/// Extracts MSER by C++-style code (cv::MSER)
/// </summary>
/// <param name="gray"></param>
/// <param name="dst"></param>
private static void CppStyleMSER(Mat gray, Mat dst)
{
MSER mser = MSER.Create();
Point[][] contours;
Rect[] bboxes;
mser.DetectRegions(gray, out contours, out bboxes);
foreach (var item in bboxes)
{
Scalar color = Scalar.Blue;
dst.Rectangle(item, color);
}
/*foreach (Point[] pts in contours)
* {
* Scalar color = Scalar.RandomColor();
* foreach (Point p in pts)
* {
* dst.Circle(p, 1, color);
* }
* }*/
}
//MyMSER
static List <Point[][]> My_MSER(int my_delta, int my_minArea, int my_maxArea, double my_maxVariation, Mat img, ref Mat img_rgb, int big_flag)
{
//img.SaveImage("img_detected.jpg");
List <Point[][]> final_area = new List <Point[][]>();
Point[][] contours;
Rect[] bboxes;
MSER mser = MSER.Create(delta: my_delta, minArea: my_minArea, maxArea: my_maxArea, maxVariation: my_maxVariation);
mser.DetectRegions(img, out contours, out bboxes);
//====================================Local Majority Vote
// to speed up, create four shift image first
var shift_mat = set_shift_image(ref img);
Mat[] neighbor_img = new Mat[4];
for (int i = 0; i < 4; i++)
{
neighbor_img[i] = new Mat();
var imageCenter = new Point2f(img.Cols / 2f, img.Rows / 2f);
var rotationMat = Cv2.GetRotationMatrix2D(imageCenter, 100, 1.3);
Cv2.WarpAffine(img, neighbor_img[i], shift_mat[i], img.Size());
//neighbor_img[i].SaveImage("./shift_image" + i + ".jpg");
}
//for each contour, apply local majority vote
foreach (Point[] now_contour in contours)
{
OpenCvSharp.Point[][] temp = new Point[1][];
Point[] Convex_hull = Cv2.ConvexHull(now_contour);
Point[] Approx = Cv2.ApproxPolyDP(now_contour, 0.5, true);
RotatedRect rotateRect = Cv2.MinAreaRect(Approx);
//Debug
//Console.WriteLine(Cv2.ContourArea(Approx)+" "+ rotateRect.Size.Height / rotateRect.Size.Width+ " "+rotateRect.Size.Width / rotateRect.Size.Height);
if (Cv2.ContourArea(Approx) > 10000 || (Cv2.ContourArea(Approx) < stop1_inner_defect_size_min || ((rotateRect.Size.Height / rotateRect.Size.Width)) > stop1_arclength_area_ratio || ((rotateRect.Size.Width / rotateRect.Size.Height)) > stop1_arclength_area_ratio))
{
continue;
}
//======================intensity in the area
temp[0] = Approx;
double mean_in_area_temp = 0, min_in_area_temp = 0;
Mat mask_img_temp = Mat.Zeros(img.Size(), MatType.CV_8UC1);
Cv2.DrawContours(mask_img_temp, temp, -1, 255, thickness: -1);//notice the difference between temp = Approx and Convex_hull
mean_in_area_temp = img.Mean(mask_img_temp)[0];
img.MinMaxLoc(out min_in_area_temp, out _, out _, out _, mask_img_temp);
//Console.WriteLine(min_in_area_temp + " " + mean_in_area_temp);
if (min_in_area_temp > 100 || mean_in_area_temp > 130)
{
continue;
}
// Convex hull
temp[0] = Approx;
if (big_flag == 0)//small area: local majority vote
{
//Cv2.Polylines(img_rgb, temp, true, new Scalar(0, 0, 255), 1);
//inside the area
double mean_in_area = 0, min_in_area = 0;
Mat mask_img = Mat.Zeros(img.Size(), MatType.CV_8UC1);
Cv2.DrawContours(mask_img, temp, -1, 255, thickness: -1);//notice the difference between temp = Approx and Convex_hull
mean_in_area = img.Mean(mask_img)[0];
img.MinMaxLoc(out min_in_area, out _, out _, out _, mask_img);
//Console.WriteLine(min_in_area + " " + mean_in_area);
//test
/*
* Mat mask2 = img.LessThan(230);
* for (int i = 0; i < img.Cols; i++) {
* for (int j = 0; j < img.Rows; j++)
* if(mask2.At<bool>(i, j)==false)
* Console.Write(mask2.At<bool>(i,j)+ " ");
*
* Console.Write("\n");
*
* }
*/
//neighbor
double[] mean_neighbor = { 255, 255, 255, 255 };
double[] min_neighbor = { 255, 255, 255, 255 };
for (int i = 0; i < 4; i++)
{
//先把 img > 230 的變成 0，再餵進 shift 裡面
//先把 mask 乘上另一個mask(>230的mask)
//Mat mask_neighbor_img = neighbor_img[i].GreaterThan(0);
//Console.WriteLine(mask_neighbor_img.At<int>(0,1));
// create final mask
Mat mask2 = neighbor_img[i].LessThan(225).ToMat();
mask2.ConvertTo(mask2, MatType.CV_8U, 1.0 / 255.0);
Mat mask_final = Mat.Zeros(img.Size(), MatType.CV_8UC1);
mask_img.CopyTo(mask_final, mask2);
//mask_final.SaveImage("./mask" + i + ".jpg");
mean_neighbor[i] = neighbor_img[i].Mean(mask_final)[0];
//compute min:
//neighbor_img[i].MinMaxLoc(out min_neighbor[i], out _, out _, out _, mask_img);
//Console.WriteLine(min_neighbor[i] + " " + mean_neighbor[i]);
}
int vote = 0;
for (int i = 0; i < 4; i++)
{
if (mean_in_area > mean_neighbor[i])
{
vote++;
}
}
if (vote > 2 || min_in_area > 100 || mean_in_area > 130)
{
//Debug
//Console.WriteLine(vote + " " + min_in_area + " ", min_in_area);
continue;
}
else
{
//Cv2.Polylines(img_rgb, temp, true, new Scalar(0, 0, 255), 1);
//Console.WriteLine("--");
final_area.Add(temp);
}
}
else
{
//Console.WriteLine("--");
//Cv2.Polylines(img_rgb, temp, true, new Scalar(0, 0, 255), 1);
final_area.Add(temp);
}
}
Console.WriteLine(final_area.Count);
return(final_area);
}
private int CppStyleMSER(Mat gray, Mat dst)
{
MSER mser = MSER.Create();
Point[][] contours;
Rect[] bboxes;
mser.DetectRegions(gray, out contours, out bboxes);
foreach (Point[] pts in contours)
{
Scalar color = Scalar.RandomColor();
foreach (Point p in pts)
{
dst.Circle(p, 1, color);
}
}
//what will happen if you draw the box, fei
List <Rect> Lboxes = new List <Rect>();
foreach (Rect rt in bboxes)
{
//此处可加一个算法,排除相似的box
int length = Lboxes.Count();
if (length != 0)
{
bool iUpdate = false;
int iCompare = 0;
Rect x = new Rect();
foreach (Rect rtl in Lboxes)
{
iCompare = CompareRect(rtl, rt);
if (iCompare == 2)
{
iUpdate = true;
x = rtl;
break;
}
}
if (iCompare == 0)
{
Lboxes.Add(rt);
}
else if (iCompare == 2)
{
Lboxes.Remove(x);
Lboxes.Add(rt);
}
}
else
{
Lboxes.Add(rt);
}
}
foreach (Rect rt in Lboxes)
{
Scalar color = Scalar.RandomColor();
dst.Rectangle(rt, color);
}
return(Lboxes.Count());
}
static int Main(string[] args)
{
int result = 0; //성공 여부 0:실패 1:성공
string resultOCR = ""; //Tesseract 결과
//string numeric = ""; //필터링된 숫자
List <string> resultTesser = new List <string>();
Mat mtSrc = new Mat();
try
{
int.TryParse(ConfigurationManager.AppSettings["RunMaximum"], out int runMaximum);
int.TryParse(ConfigurationManager.AppSettings["DetectWidth"], out int detectWidth);
int.TryParse(ConfigurationManager.AppSettings["DetectHeight"], out int detectHeight);
int.TryParse(ConfigurationManager.AppSettings["ThresholdValue"], out int thresholdValue);
int.TryParse(ConfigurationManager.AppSettings["DeviceNumber"], out int deviceNumber);
int.TryParse(ConfigurationManager.AppSettings["DeleteWidth"], out int delWidth);
if (runMaximum < 1 || detectWidth < 1 || detectHeight < 1 || thresholdValue < 1 ||
string.IsNullOrEmpty(ConfigurationManager.AppSettings["PathResult"]) ||
string.IsNullOrEmpty(ConfigurationManager.AppSettings["PathSuccess"]) ||
string.IsNullOrEmpty(ConfigurationManager.AppSettings["PathFail"]) ||
string.IsNullOrEmpty(ConfigurationManager.AppSettings["PathException"])
)
{
throw new ConfigurationErrorsException("config 파일 설정값 오류");
}
//OpenCV 캡처 초기화
VideoCapture capture = VideoCapture.FromCamera(CaptureDevice.Any, deviceNumber);
DirectoryInfo diResult = new DirectoryInfo(ConfigurationManager.AppSettings["PathResult"]);
if (diResult.Exists == false)
{
diResult.Create();
}
//result 폴더 하위 파일 지우기
foreach (var file in diResult.GetFiles())
{
File.Delete(string.Format("{0}\\{1}", diResult.Name, file));
}
for (int i = 1; i <= runMaximum; i++)
{
resultOCR = "";
//화상을 Matrix 에 로드
capture.Read(mtSrc);
//디바이스 문제
if (mtSrc.Width < 3) //최소 3*3
{
throw new Exception("ERROR_DEVICE");
}
//영역 검출
MSER mser = MSER.Create();
OpenCvSharp.Point[][] contours;
OpenCvSharp.Rect[] bboxes;
mser.DetectRegions(mtSrc, out contours, out bboxes); //DetectRegion 은 Canny 가 무용지물
//Smoothing
Cv2.MedianBlur(mtSrc, mtSrc, 3);
//색 변환
Cv2.CvtColor(mtSrc, mtSrc, ColorConversionCodes.BGR2GRAY);
//검출 결과 필터링
var filteredBboxes = bboxes.Where(
r =>
r.Width >= detectWidth - 3 &&
r.Width <= detectWidth + 5 &&
r.Height >= detectHeight - 5 &&
r.Height <= detectHeight + 5
);
if (isDebugMode)
{
Console.WriteLine(filteredBboxes.Count());
}
//var orderedBboxes = filteredBboxes.OrderBy(r => r.Width);
foreach (var rect in filteredBboxes)
{
resultOCR = "";
Rect rectTemp = rect;
rectTemp.X = rect.X + delWidth;
rectTemp.Width = rect.Width - delWidth;
//rect 영역 crop
Mat mtCrop = mtSrc[rectTemp];
if (isDebugMode)
{
using (new Window(mtCrop))
{
Window.WaitKey(0);
Window.DestroyAllWindows();
}
}
resultOCR = Recognize(mtCrop, thresholdValue, rectTemp);
//재시도 ( 앞부분 크롭 영역 -1 조정)
if (resultOCR.Length < 6 || resultOCR.Contains("_"))
{
rectTemp.X = rect.X + delWidth - 1;
rectTemp.Width = rect.Width - delWidth + 1;
mtCrop = mtSrc[rectTemp];
resultOCR = Recognize(mtCrop, thresholdValue, rectTemp);
}
//3차시도 ( 앞부분 크롭 영역 +1 조정)
if (resultOCR.Length < 6 || resultOCR.Contains("_"))
{
rectTemp.X = rect.X + delWidth + 1;
rectTemp.Width = rect.Width - delWidth - 1;
mtCrop = mtSrc[rectTemp];
resultOCR = Recognize(mtCrop, thresholdValue, rectTemp);
}
//4차
if (resultOCR.Length < 6 || resultOCR.Contains("_"))
{
rectTemp.X = rect.X + delWidth - 2;
rectTemp.Width = rect.Width - delWidth + 2;
mtCrop = mtSrc[rectTemp];
resultOCR = Recognize(mtCrop, thresholdValue, rectTemp);
}
//5차시도 ( 앞부분 크롭 영역 +2 조정)
if (resultOCR.Length < 6 || resultOCR.Contains("_"))
{
rectTemp.X = rect.X + delWidth + 2;
rectTemp.Width = rect.Width - delWidth - 2;
mtCrop = mtSrc[rectTemp];
resultOCR = Recognize(mtCrop, thresholdValue, rectTemp);
}
if (resultOCR.Length == 6 && resultOCR.Contains("_") == false)
{
result = 1; //성공
Console.WriteLine(string.Format("{0}\t({1})", resultOCR, i));
if (isDebugMode)
{
//Console.WriteLine(string.Format("width : {0} height : {1}", rect.Width, rect.Height));
//Cv2.ImShow("mtCrop", mtCrop);
//Cv2.WaitKey(0);
//Cv2.DestroyWindow("seg");
}
break;
}
} // foreach
if (result == 1)
{
break;
}
//if (numeric.Length == 0)
//{
// foreach (var rect in bboxes)
// {
// Scalar color = Scalar.RandomColor();
// mtSrc.Rectangle(rect, color);
// }
//}
//Cv2.ImShow(filename, mtSrc);
//Cv2.ImShow("clone", mtSrc);
//Cv2.WaitKey(0);
//Thread.Sleep(300);
} //for runMaximum
if (result == 1)
{
//result = 1; //성공 여부
//이미지 저장
mtSrc.SaveImage(string.Format("{0}\\{1}.png", diResult.Name, resultOCR));
//이미지 사본 복사
DirectoryInfo diSuccess = new DirectoryInfo(ConfigurationManager.AppSettings["PathSuccess"]);
if (diSuccess.Exists == false)
{
diSuccess.Create();
}
string filename = resultOCR;
if (File.Exists(string.Format("{0}\\{1}.png", diSuccess.Name, filename)))
{
filename = resultOCR + "_" + DateTime.Now.ToString("yyMMddHHmmss");
}
File.Copy(string.Format("{0}\\{1}.png", diResult.Name, resultOCR), string.Format("{0}\\{1}.png", diSuccess.Name, filename));
//Console.WriteLine(numeric);
}
else
{
//실패 이미지 저장
DirectoryInfo diFail = new DirectoryInfo(ConfigurationManager.AppSettings["PathFail"]);
if (diFail.Exists == false)
{
diFail.Create();
}
mtSrc.SaveImage(string.Format("{0}\\{1}.png", diFail.Name, DateTime.Now.ToString("yyMMddHHmmss")));
}
}
catch (Exception ex)
{
//Exception 저장
DirectoryInfo diEx = new DirectoryInfo(ConfigurationManager.AppSettings["PathException"]);
if (diEx.Exists == false)
{
diEx.Create();
}
File.WriteAllText(string.Format("{0}\\{1}.txt", diEx.Name, DateTime.Now.ToString("yyMMddHHmmss")), ex.ToString());
//담당자에게 alert 전송
if (isDebugMode)
{
//Console.WriteLine(result);
Console.WriteLine(ex);
}
}
finally
{
}
//Console.ReadKey();
return(result);
}