void TesseractProcessor::ClearAdaptiveClassifier() { if (_apiInstance != NULL) { TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); api->ClearAdaptiveClassifier(); } }
void TesseractProcessor::End() { if (_apiInstance != NULL) { TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); api->End(); } }
void TesseractProcessor::DisableThresholder() { if (_apiInstance == NULL) return; TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); api->SetThresholder(NULL); }
void TesseractProcessor::UseThresholder() { if (_apiInstance == NULL) return; TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); ImageThresholder* thresholder = new ImageThresholder(); api->SetThresholder(thresholder); }
bool TesseractProcessor::SetVariable(System::String* name, System::String* value) { if (_apiInstance == NULL) return false; TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); bool succeed = api->SetVariable(Helper::StringToPointer(name), Helper::StringToPointer(value)); return succeed; }
/* ======================================= 获取 TESS-OCR 结果文本 ======================================= */ CR_API ansi_t* tessocr_get_utf8 ( __CR_IN__ tessocr_t tessocr ) { TessBaseAPI* tess; tess = (TessBaseAPI*)tessocr; return (tess->GetUTF8Text()); }
String* TesseractProcessor::GetTesseractEngineVersion() { if (_apiInstance != NULL) { TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); return Helper::PointerToString(api->Version()); } return NULL; }
/* ======================================= 设置 TESS-OCR 图片分辨率 ======================================= */ CR_API void_t tessocr_set_ppi ( __CR_IN__ tessocr_t tessocr, __CR_IN__ uint_t ppi ) { TessBaseAPI* tess; tess = (TessBaseAPI*)tessocr; tess->SetSourceResolution(ppi); }
/* ======================================= 设置 TESS-OCR 图片识别区域 ======================================= */ CR_API void_t tessocr_set_rect ( __CR_IN__ tessocr_t tessocr, __CR_IN__ const sRECT* rect ) { TessBaseAPI* tess; tess = (TessBaseAPI*)tessocr; tess->SetRectangle(rect->x1, rect->y1, rect->ww, rect->hh); }
System::String* TesseractProcessor::GetStringVariable(System::String* name) { if (_apiInstance == NULL) return false; TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); const char *value = api->GetStringVariable(Helper::StringToPointer(name)); return Helper::PointerToString(value); }
bool TesseractProcessor::GetDoubleVariable(System::String* name, double __gc* value) { if (_apiInstance == NULL) return false; TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); double val = 0; bool succeed = api->GetDoubleVariable(Helper::StringToPointer(name), &val); *value = val; return succeed; }
string ocr_tesseract(Mat im) { // Pass it to Tesseract API TessBaseAPI tess; tess.Init(NULL, "eng", OEM_DEFAULT); tess.SetPageSegMode(PSM_SINGLE_BLOCK); tess.SetImage((uchar*)im.data, im.cols, im.rows, 1, im.cols); // Get the text char* out = tess.GetUTF8Text(); string ret = (string)out; return ret; }
void TesseractProcessor::InternalFinally() { if (_apiInstance != NULL) { TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); api->End(); delete api; api = null; _apiInstance = NULL; } }
/* ======================================= 设置 TESS-OCR 参数 ======================================= */ CR_API bool_t tessocr_set_param ( __CR_IN__ tessocr_t tessocr, __CR_IN__ const ansi_t* name, __CR_IN__ const ansi_t* value ) { TessBaseAPI* tess; tess = (TessBaseAPI*)tessocr; if (!tess->SetVariable(name, value)) return (FALSE); return (TRUE); }
DLL_API char *ocr(char *argv) { TessBaseAPI myOCR; string str(argv); string delimiter = " "; size_t pos = 0; string token; vector <string> vecArgv; while ((pos = str.find(delimiter)) != std::string::npos) { token = str.substr(0, pos); vecArgv.push_back(token); str.erase(0, pos + delimiter.length()); } vecArgv.push_back(str); if (vecArgv.size() != 2) { return "오류 : 인자값 : 언어(eng or kor) 파일명"; } if (myOCR.Init(NULL, vecArgv[0].c_str())) { return "오류 : Init"; } static string strMsg; STRING text_out; if (!myOCR.ProcessPages(vecArgv[1].c_str(), NULL, 0, &text_out)) { return "오류 : ProcessPages"; } strMsg = text_out.string(); int nLen = MultiByteToWideChar(CP_UTF8, 0, strMsg.c_str(), strMsg.size(), NULL, NULL); wstring strUni(nLen,0); MultiByteToWideChar(CP_UTF8, 0, strMsg.c_str(), strMsg.size(), &strUni[0], nLen); strMsg.clear(); nLen = WideCharToMultiByte(CP_ACP, 0, &strUni[0], -1, NULL, 0, NULL, NULL); strMsg.resize(nLen,0); WideCharToMultiByte(CP_ACP, 0, &strUni[0], -1, &strMsg[0], nLen, NULL, NULL); myOCR.End(); return (char *)strMsg.c_str(); }
/* ======================================= 建立 TESS-OCR 对象 ======================================= */ CR_API tessocr_t tessocr_init ( __CR_IN__ const ansi_t* path, __CR_IN__ const ansi_t* lang ) { TessBaseAPI* tess; tess = new TessBaseAPI (); if (tess == NULL) return (NULL); if (tess->Init(path, lang) != 0) { delete tess; return (NULL); } return ((tessocr_t)tess); }
/* ======================================= 设置 TESS-OCR 待识别图片 ======================================= */ CR_API bool_t tessocr_set_image ( __CR_IN__ tessocr_t tessocr, __CR_IN__ const sIMAGE* image ) { TessBaseAPI* tess; /* 只支持 8/24/32 位色图片 */ if (image->fmt != CR_INDEX8 && image->fmt != CR_ARGB888 && image->fmt != CR_ARGB8888) return (FALSE); tess = (TessBaseAPI*)tessocr; tess->SetImage(image->data, image->position.ww, image->position.hh, image->bpc, image->bpl); return (TRUE); }
bool TesseractProcessor::Init(String* dataPath, String* lang, int ocrEngineMode) { bool bSucced = false; _dataPath = dataPath; _lang = lang; _ocrEngineMode = ocrEngineMode; if (_apiInstance != NULL) { TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); bSucced = api->Init( Helper::StringToPointer(dataPath), Helper::StringToPointer(lang), TesseractConverter::ParseOcrEngineMode(ocrEngineMode)) >= 0; } return bSucced; }
//---------------------------------------------------------------------------------- void OCRit(Mat inputimg, vector<vector<Point>>points, char data[][60], Mat &outputimg, char lang[]){ TessBaseAPI tess; tess.Init(NULL, lang, OEM_DEFAULT); cout << "\n\n"; for (unsigned int c = 0; c < points.size(); c++){ Mat imag = inputimg(Rect(points[c][0], points[c][1])); Mat img; cvtColor(imag, img, COLOR_BGR2GRAY);//use img to do ocr now tess.SetImage((uchar*)img.data, img.size().width, img.size().height, img.channels(), img.step1()); char* out = tess.GetUTF8Text(); cout << c + 1 << " -- " << out << "\n"; strcpy(data[c],out); //removed to prevent alteration of original pan //rectangle(outputimg, points[c][0], points[c][1],1,4,0); } }
BEGIN_NAMSPACE USING_COMMON_SYSTEM USING_TESSERACT USING_TESSERACT_ENGINE_WRAPPER // =============================================================== // GET/SET VARIABLES bool TesseractProcessor::GetBoolVariable(System::String* name, bool __gc* value) { if (_apiInstance == NULL) return false; TessBaseAPI* api = (TessBaseAPI*)_apiInstance.ToPointer(); bool val = false; bool succeed = api->GetBoolVariable(Helper::StringToPointer(name), &val); *value = val; return succeed; }
int main() { Mat findImage = imread("sudo.jpg", IMREAD_GRAYSCALE); //이 이미지 int tempsudo[81] = { 0 }; int sudoku[9][9] = { 0 }; Mat cloneImage = findImage.clone(); threshold(findImage, findImage, 200, 255, THRESH_BINARY); //adaptiveThreshold(findImage, findImage, 255, ADAPTIVE_THRESH_MEAN_C, THRESH_BINARY, 21, 2); imshow("findImage", findImage); waitKey(); Mat srcImage2 = findImage.clone(); Mat dstImage(srcImage2.size(), CV_8UC3); vector<vector<Point> > beforeContoursforRectangle;//스도쿠 이미지만 빼기위한 경계선 vector<vector<Point> > AfterContoursforSmallRectangle; //스도쿠에서 작은 네모만 빼기위한경계선 vector<vector<Point> > configurBackground; vector<Vec4i> hierarchy; //외곽선용 vector<Vec4i> hierarchy2; //81개칸용 vector<Vec4i> hierarchy3; //배경 검사용 vector<vector<Point>> cutSize;//외곽선용 vector<vector<Point>> cutSize2;//81개칸용 vector<vector<Point>> cutSize3; //배경 검사용 int mode = RETR_TREE; int method = CHAIN_APPROX_NONE; Rect r; findContours(findImage, beforeContoursforRectangle, hierarchy, mode, method); //윤곽석 검출 cout << "beforeContoursforRectangle.size()=" << beforeContoursforRectangle.size() << endl; //윤곽선네모 개수 cout << findImage.size() << endl; //이미지 크기 int countMax = beforeContoursforRectangle[0].size(); //최대크기를 찾기위한 변수선언 for (int k = 0; k < beforeContoursforRectangle.size(); k++) { if (beforeContoursforRectangle[k].size()>countMax) countMax = beforeContoursforRectangle[k].size(); } for (int k = 0; k < beforeContoursforRectangle.size(); k++) { if (beforeContoursforRectangle[k].size()>(countMax*0.6))//스토쿠 판만 빼오기 { cutSize.push_back(beforeContoursforRectangle[k]); } } /* //테스트용 Mat testtImage; for (int k = 0; k < cutSize.size(); k++) { // cvtColor(findImage, testtImage, COLOR_GRAY2BGR); r = boundingRect(cutSize[k]);//영역 사각형으로 감쌈 Rect ROI2(r.x, r.y, r.width, r.height); drawContours(testtImage, cutSize, k, Scalar(255, 0, 0), 4); //경계선 그림 cout << r.size() << endl; rectangle(testtImage, ROI2, Scalar(128, 255, 255), 2);//네모로 크림 circle(testtImage, cutSize[k][0], 5, Scalar(123, 123, 123), -1); imshow("testtImage", testtImage); waitKey(); } */ vector<vector<Point>> cuttingArea; int pushArea = -1; int smaller = cutSize[0].size(); for (int k = 1; k < cutSize.size(); k++) { if (cutSize[k].size() < smaller) { smaller = cutSize[k].size(); //제일 작은거 가져옴 sort(cutsize.begin(),cutsize.end())가안되서 이방법 씀 pushArea = k; } } cuttingArea.push_back(cutSize[pushArea]); r = boundingRect(cuttingArea[0]); Rect ROI(r.x, r.y, r.width, r.height); //자를곳을 골라서 영역 표시 cout << "bigSize.size()=" << cutSize.size() << endl; int eraseSpot = -1; int again = 0; int mode2 = RETR_LIST; int mode3 = RETR_LIST; int method2 = CHAIN_APPROX_NONE; int method3 = CHAIN_APPROX_NONE; Mat roi = cloneImage(ROI); //해당 영역만 가지고옴 Mat newImage = repeat(roi, 1, 1); Mat contourImage = newImage.clone(); //배경에 음영있는것들 검출 for (int a = 0; a < contourImage.rows; a++) { for (int b = 0; b < contourImage.cols; b++) { float te = contourImage.at<uchar>(a, b); if (te >= 160 && te < 190) contourImage.at<uchar>(a, b) = 250; } } threshold(contourImage, contourImage, 230, 255, THRESH_BINARY); imshow("contourImage", contourImage); waitKey(); vector<int> configureRectSizeStorage; //빈칸과 숫자칸 저장 vector<int> configureRect; //빈칸숫자칸의 최대 최소값을 알기위해 만듬 vector<Rect> countRect; findContours(contourImage, configurBackground, hierarchy3, mode3, method3); for (int k = 0; k < configurBackground.size(); k++) { cutSize3.push_back(configurBackground[k]); //그 경계선위치들을 넣음 } Mat configureBackgroundImage(contourImage.size(), CV_8UC1); for (int k = 0; k < cutSize3.size(); k++) { // cvtColor(contourImage, configureBackgroundImage, COLOR_GRAY2BGR); r = boundingRect(cutSize3[k]);//영역 사각형으로 감쌈 Rect ROI2(r.x, r.y, r.width, r.height); drawContours(configureBackgroundImage, cutSize3, k, Scalar(255, 0, 0), 4); //경계선 그림 //cout << r.size() << endl; rectangle(configureBackgroundImage, ROI2, Scalar(128, 255, 255), 2);//네모로 크림 if ((r.width*r.height)>(configureBackgroundImage.rows*configureBackgroundImage.cols) - 20000) { //최대영역은 받지 않음 //imshow("resultImage", resultImage); //waitKey(); goto here234; } configureRectSizeStorage.push_back(r.width*r.height); //sorting하기 위해 정리 here234:{} circle(configureBackgroundImage, cutSize3[k][0], 5, Scalar(123, 123, 123), -1); //imshow("resultImage", configureBackgroundImage); //waitKey(); } sort(configureRectSizeStorage.begin(), configureRectSizeStorage.end()); int tSpot = -1; int tagain = 0; for (int k = 0; k < configureRectSizeStorage.size(); k++) { if (k == configureRectSizeStorage.size() - 1) break; if ((configureRectSizeStorage[k + 1] - configureRectSizeStorage[k]) >500) { tSpot = k; //500이 차이나면 따로 넣을곳 정리 break; } } for (int k = tSpot + 1; k < configureRectSizeStorage.size(); k++) { if (tSpot == -1) configureRect.push_back(configureRectSizeStorage[tagain++]); //그냥 집어 넣음 else configureRect.push_back(configureRectSizeStorage[k]); //81개 네모 영역만 집어넣음 } int minRectSize2 = configureRect.front(); //최소 네모 사이즈 int maxRectSize2 = configureRect[configureRect.size() - 1]; //최대 네모 사이즈 Mat lastConfigure; for (int k = 0; k < cutSize3.size(); k++) { cvtColor(contourImage, lastConfigure, COLOR_GRAY2BGR); //imshow("testImage", testImage); r = boundingRect(cutSize3[k]); Rect ROI2(r.x, r.y, r.width, r.height); //cout << r.size() << endl; rectangle(lastConfigure, ROI2, Scalar(128, 255, 255), 2);//그림 if ((minRectSize2 <= (r.width*r.height)) && ((r.width*r.height) <= maxRectSize2)) countRect.push_back(ROI2); //해당 영역만 비교 하기 위해 넣어줌 //imshow("lastConfigure", lastConfigure); //waitKey(); } vector<int>params; //압축양식사용 params.push_back(IMWRITE_JPEG_QUALITY); params.push_back(9); imwrite("sudoOnly.jpg", newImage, params); Mat sudokuImage = imread("sudoOnly.jpg", IMREAD_GRAYSCALE); Mat realImage = imread("sudoOnly.jpg", IMREAD_GRAYSCALE); Mat testSudo = sudokuImage.clone(); //나중에 확인할거 Size size(5, 5); Mat rectKernel = getStructuringElement(MORPH_RECT, size); Mat elipseKernel = getStructuringElement(MORPH_ELLIPSE, size); Mat crossKernel = getStructuringElement(MORPH_CROSS, size); if (countRect.size() != 81) { cout << "안되지롱" << endl; waitKey(); goto jumpThreshold; } threshold(sudokuImage, sudokuImage, 230, 255, THRESH_BINARY); //영상 이진화 imshow("teswtsteswtse", sudokuImage); waitKey(); goto jumpAdaptiveThreshold; //morphologyEx(sudokuImage, sudokuImage, MORPH_CLOSE, rectKernel, Point(-1, -1), 1); jumpThreshold: //threshold(sudokuImage, sudokuImage, 200, 255, THRESH_BINARY); //threshold(sudokuImage, sudokuImage, 200, 255, THRESH_OTSU+THRESH_BINARY); //영상 이진화 adaptiveThreshold(sudokuImage, sudokuImage, 255, ADAPTIVE_THRESH_GAUSSIAN_C, THRESH_BINARY, 21, 1); //morphologyEx(sudokuImage, sudokuImage, MORPH_GRADIENT, crossKernel, Point(-1, -1), 1); erode(sudokuImage, sudokuImage, crossKernel, Point(-1, -1), 1); dilate(sudokuImage, sudokuImage, elipseKernel, Point(-1, -1), 1); jumpAdaptiveThreshold: imshow("sudokuImage", sudokuImage); waitKey(); Mat testImage = realImage.clone();//스도쿠 된것만 복사시킴 Mat resultImage(testImage.size(), CV_8UC3); Mat testSudoImage(realImage.size(), CV_8UC3); vector<int> rectSizeStorage; //빈칸과 숫자칸 저장 vector<int> realRect; //빈칸숫자칸의 최대 최소값을 알기위해 만듬 vector<Rect> sudokuRect; //칸마다 잘라진 영역 저장된곳 vector<Rect> temp; threshold(testImage, testImage, 200, 255, THRESH_OTSU + THRESH_BINARY); //waitKey(); findContours(sudokuImage, AfterContoursforSmallRectangle, hierarchy2, mode2, method2); //스도쿠 원형만 자른곳에서 다시 경계선 그림 for (int k = 0; k < AfterContoursforSmallRectangle.size(); k++) { cutSize2.push_back(AfterContoursforSmallRectangle[k]); //그 경계선위치들을 넣음 } for (int k = 0; k < cutSize2.size(); k++) { // cvtColor(testImage, resultImage, COLOR_GRAY2BGR); r = boundingRect(cutSize2[k]);//영역 사각형으로 감쌈 Rect ROI2(r.x, r.y, r.width, r.height); drawContours(resultImage, cutSize2, k, Scalar(255, 0, 0), 4); //경계선 그림 //cout << r.size() << endl; rectangle(resultImage, ROI2, Scalar(128, 255, 255), 2);//네모로 크림 if ((r.width*r.height)>(resultImage.rows*resultImage.cols) - 20000) { //최대영역은 받지 않음 //imshow("resultImage", resultImage); //waitKey(); goto here; } rectSizeStorage.push_back(r.width*r.height); //sorting하기 위해 정리 here:{} circle(resultImage, cutSize2[k][0], 5, Scalar(123, 123, 123), -1); //imshow("resultImage", resultImage); //waitKey(); } sort(rectSizeStorage.begin(), rectSizeStorage.end()); eraseSpot = -1; again = 0; for (int k = 0; k < rectSizeStorage.size(); k++) { if (k == rectSizeStorage.size() - 1) break; if ((rectSizeStorage[k + 1] - rectSizeStorage[k]) >500) { eraseSpot = k; //500이 차이나면 따로 넣을곳 정리 } } for (int k = eraseSpot + 1; k < rectSizeStorage.size(); k++) { if (eraseSpot == -1) realRect.push_back(rectSizeStorage[again++]); //그냥 집어 넣음 else realRect.push_back(rectSizeStorage[k]); //81개 네모 영역만 집어넣음 } //소팅이 이미 되서 들어가므로 할 필요 없음 int minRectSize = realRect.front(); //최소 네모 사이즈 int maxRectSize = realRect[realRect.size() - 1]; //최대 네모 사이즈 for (int k = 0; k < cutSize2.size(); k++) { cvtColor(testImage, resultImage, COLOR_GRAY2BGR); //imshow("testImage", testImage); r = boundingRect(cutSize2[k]); Rect ROI2(r.x, r.y, r.width, r.height); //cout << r.size() << endl; rectangle(resultImage, ROI2, Scalar(128, 255, 255), 2);//그림 if ((minRectSize <= (r.width*r.height)) && ((r.width*r.height) <= maxRectSize)) temp.push_back(ROI2); //해당 영역만 비교 하기 위해 넣어줌 // imshow("resultImage2", resultImage); //waitKey(); } for (int k = temp.size() - 1; k >= 0; k--) sudokuRect.push_back(temp[k]); //반대로 시작하므로 처음1칸부터 비교하기위해 역으로 넣음 temp.clear(); vector<int> testSortingOk; //각 줄이 순서대로 소팅이 안되있으므로 각 줄마다 왼쪽부터 오른쪽으로 되게 바꿈 for (int i = 0; i < 81; i += 9) { int ty = sudokuRect[i].y; int ti = i; testSortingOk.clear(); for (int j = i; j < ti + 9; j++) { testSortingOk.push_back(sudokuRect[j].x); } sort(testSortingOk.begin(), testSortingOk.end()); int k = 0; for (int j = i; j < ti + 9; j++) { if (testSortingOk[k] == sudokuRect[j].x) temp.push_back(sudokuRect[j]); else { for (int t = i; t <= ti + 9; t++) { if (testSortingOk[k] == sudokuRect[t].x) { temp.push_back(sudokuRect[t]); break; } } } k++; } } sudokuRect.clear(); erode(resultImage, resultImage, crossKernel, Point(-1, -1), 1); dilate(resultImage, resultImage, elipseKernel, Point(-1, -1), 1); for (int k = 0; k < temp.size(); k++) sudokuRect.push_back(temp[k]); for (int k = 0; k < sudokuRect.size(); k++) { rectangle(resultImage, sudokuRect[k], Scalar(128, 255, 255), 2);//그림 imshow("testSudoImage34", resultImage); waitKey(); } const char *path = "/tessdate"; TessBaseAPI tess; //tesseract 선언 //TessBaseAPI *api = new TessBaseAPI(); tess.Init(NULL, "eng", tesseract::OEM_DEFAULT); //한국어로 인식 기본 숫자 되어있음 /* if (api->Init(NULL, "eng")) { fprintf(stderr, "could not initailze teseract\n"); exit(1); } */ string tessRecogNum[81][1]; //글자로 인식해오므로 넣을곳 만들어줌 int sudoTestte[81]; //스도쿠 번호 넣을곳을 만들어줌 int d = 0; for (int i = 0; i<sudokuRect.size(); i++) { cvtColor(testSudo, testSudoImage, COLOR_GRAY2BGR); rectangle(testSudoImage, sudokuRect[i], Scalar(128, 255, 255), 2);//그림 Mat cutImage = testSudo(sudokuRect[i]); // imshow("cutImage", cutImage); Mat tempImage = repeat(cutImage, 1, 1); Mat numberImage = tempImage.clone();//스도쿠 된것만 복사시킴 //imshow("numberImage", numberImage); imwrite("numberImage.jpg", numberImage, params); Mat resultNImage(tempImage.size(), CV_8UC3); waitKey(); int height = tempImage.size().height; int width = tempImage.size().width; int continueNum = 0; //0이 계속되는 수 선언 int testPixel = (height*width); //최대 픽셀 받아옴 //그 칸이 빈칸일 경우 골라서 0을 넣음 /* for (int a = 0; a < tempImage.rows; a++) { for (int b = 0; b < tempImage.cols; b++) { float te = tempImage.at<uchar>(a, b); if (continueNum >= testPixel) break; if (te >= 190 && te <= 200) tempImage.at<uchar>(a, b) = 255; if (te > 200) continueNum++; } if (continueNum >= (testPixel - 10)) break; } */ if (continueNum >= testPixel){ sudoTestte[d++] = atoi("0"); tessRecogNum[i][0] = '0'; continue; } //imshow("tempImage", tempImage); //waitKey(); tess.SetImage((uchar*)tempImage.data, tempImage.size().width, tempImage.size().height, tempImage.channels(), tempImage.step1()); //이미지의 데이터 넓이 높이와 채널을 받아옴 //Pix *image = pixRead("numberImage.jpg"); //api->SetImage(image); // tess.Recognize(0); //인식 시킴 const char * out = tess.GetUTF8Text(); //그걸 utf8text로 인식시킴 //const char * out = api.GetUTF8Text(); tessRecogNum[i][0] = out; if (atoi(out) > 9 || atoi(out) < 0) sudoTestte[d++] = 0; else sudoTestte[d++] = atoi(out); //printf("%s", out); //cout << endl; imshow("testSudoImage", testSudoImage); //waitKey(); } cout << endl; for (int i = 0; i < 81; i++) { if (i % 9 == 0 && i>1) cout << endl; cout << sudoTestte[i] << " "; } waitKey(); return 0; }
int main(int argc, char* argv[]) { const char* name_main = "Plate Recognition"; const char* name_edge = "Edge Window"; #if defined(__DMDEBUG) const char* name_mask = "Mask Window"; #endif const char* name_bwframe = "BW Window"; const char* name_crop = "CROP Window"; const char* name_ctrl = "Control Window"; unsigned int i; Mat frame; Mat bwframe; Mat edge; TessBaseAPI *OCR = new TessBaseAPI(); if(OCR->Init(NULL, "eng")) { cout << "Could not initialize tesseract OCR\n"; return -1; } if( argc != 2) { cout << "You must specify a file to load\n"; return -1; } VideoCapture cap(argv[1]); if(!cap.isOpened()) { cout << "Cannot open file " << argv[1] << endl; return -1; } namedWindow(name_main, 0); namedWindow(name_edge, 0); #if defined(__DMDEBUG) namedWindow(name_mask, 0); #endif namedWindow(name_bwframe, 0); namedWindow(name_ctrl, 0); //#if defined(__DMDEBUG) namedWindow(name_crop, 0); namedWindow("AAA", 0); //#endif createTrackbar( "Contour perimeter", name_ctrl, &high_switch_value, 100, switch_callback_h, NULL ); createTrackbar( "Min area", name_ctrl, &minimum_area, 100000, NULL, NULL); createTrackbar( "Max area", name_ctrl, &maximum_area, 100000, NULL, NULL); createTrackbar( "Threshold", name_ctrl, &threshold_val, 255, NULL, NULL); //createTrackbar( "thr size", name_ctrl, &athr_size, 255, athr_callback, &athr_size); createTrackbar( "Plate Thr", name_ctrl, &threshold2_val, 255, NULL, NULL); //createTrackbar( "PThr size", name_ctrl, &athr2_size, 255, athr_callback, &athr2_size); waitKey(); for(;;) { //try { cap >> frame; //} catch(int e) { // frame = imread(argv[1], 3); //} cvtColor(frame, bwframe, CV_RGB2GRAY); imshow(name_bwframe, bwframe); // extract V channel from HSV image Mat vframe(frame.rows, frame.cols, CV_8UC1); Mat tvframe(frame.rows, frame.cols, CV_8UC3); cvtColor(frame, tvframe, CV_RGB2HSV); int from_to[] = { 2,0 }; mixChannels( &tvframe, 1, &vframe,1, from_to, 1); // maximize contrast // https://github.com/oesmith/OpenANPR/blob/master/anpr/preprocess.py Mat el=getStructuringElement(MORPH_ELLIPSE, Size(3,3), Point(1,1)); Mat bh(vframe.rows, vframe.cols, CV_8UC1); Mat th(vframe.rows, vframe.cols, CV_8UC1); Mat s1(vframe.rows, vframe.cols, CV_8UC1); morphologyEx(vframe, th, MORPH_TOPHAT, el, Point(1,1), 1); morphologyEx(vframe, bh, MORPH_BLACKHAT, el, Point(1,1), 1); add(vframe, th, s1); subtract(s1,bh, vframe); // Smooth image to remove rumor GaussianBlur(vframe, vframe, Size(5,5), 5, 5, BORDER_DEFAULT); imshow("AAA", vframe); // apply your filter Canny(bwframe, edge, threshold_val, 255); //Canny(vframe, edge, threshold_val, 255); //threshold( bwframe, edge, threshold_val, 255, CV_THRESH_BINARY ); //threshold( vframe, edge, threshold_val, 255, CV_THRESH_BINARY ); //adaptiveThreshold(bwframe, edge, threshold_val, // CV_ADAPTIVE_THRESH_GAUSSIAN_C, CV_THRESH_BINARY, athr_size, 5); // OR CV_ADAPTIVE_THRES_MEAN_C //adaptiveThreshold(vframe, edge, threshold_val, CV_ADAPTIVE_THRESH_GAUSSIAN_C, CV_THRESH_BINARY_INV, athr_size, 9); // find the contours vector< vector<Point> > contours; findContours(edge, contours, CV_RETR_EXTERNAL, CV_CHAIN_APPROX_NONE); vector<double> areas(contours.size()); for( i = 0; i < contours.size(); i++) { areas[i] = fabs(contourArea(Mat(contours[i]))); if(areas[i] >= minimum_area && areas[i] <= maximum_area) { vector<Point> results; approxPolyDP(Mat(contours[i]), results, arcLength(Mat(contours[i]),1)*perimeter_constant,1); if (results.size() == 4 && isContourConvex(results)){ // you could also reuse bwframe here Mat mask = Mat::zeros(bwframe.rows, bwframe.cols, CV_8UC1); // CV_FILLED fills the connected components found drawContours(mask, contours, i, Scalar(255,255,255), CV_FILLED); // draw contours to cover plate external lines drawContours(bwframe, contours, i, Scalar(255,255,255), 2, 2); Rect box = boundingRect(Mat(contours[i])); // let's create a new image now Mat crop(frame.rows, frame.cols, CV_8UC1); // set background color to black //crop.setTo(Scalar(0,0,0)); crop.setTo(Scalar(0)); // and copy the magic apple bwframe.copyTo(crop, mask); // normalize so imwrite(...)/imshow(...) shows the mask correctly! normalize(mask.clone(), mask, 0.0, 255.0, CV_MINMAX, CV_8UC1); //rectangle(crop, box, Scalar(0,0,255) ,3); Mat roi(crop, box); // Image for OCR Mat ocrimg(roi.rows, roi.cols, CV_8UC1); ocrimg.setTo(Scalar(255)); roi.copyTo(ocrimg, roi); int scalefactor = 1000/ocrimg.cols; //cout << "Scale factor: " << scalefactor << endl;; resize(ocrimg, ocrimg, Size(0,0), scalefactor, scalefactor, CV_INTER_CUBIC); threshold(ocrimg, ocrimg, threshold2_val, 255, CV_THRESH_BINARY ); //adaptiveThreshold(ocrimg, ocrimg, threshold2_val, // CV_ADAPTIVE_THRESH_GAUSSIAN_C, CV_THRESH_BINARY, athr2_size, 5); //Canny(ocrimg, ocrimg, threshold2_val, 255); //#if defined(__DMDEBUG) imshow(name_crop, ocrimg); //#endif rectangle(frame, box, Scalar(0,0,255), 3); rectangle(bwframe, box, Scalar(0,0,255), 3); #if defined(__DMDEBUG) imshow(name_mask, mask); #endif //OCR->TesseractRect(roi.data, 1, roi.step1(), 0,0,roi.cols, roi.rows); OCR->SetImage((uchar*)ocrimg.data, ocrimg.size().width, ocrimg.size().height, ocrimg.channels(), ocrimg.step1()); OCR->Recognize(0); char* detected_text = OCR->GetUTF8Text(); //cout << "Size text: " << strlen(detected_text) << endl; if(strlen(detected_text) > 0) { cout << "License plate number: " << detected_text << endl; //#if !defined(__DMDEBUG) //imshow(name_crop, ocrimg); //#endif imshow(name_main, frame); imshow(name_bwframe, bwframe); imshow(name_edge, edge); imshow(name_ctrl, ocrimg); #if defined(__DMDEBUG) imwrite("antani.jpg", ocrimg); #endif waitKey(); //#endif } } } } imshow(name_main, frame); imshow(name_bwframe, bwframe); imshow(name_edge, edge); if(waitKey(30) >= 0) break; } return 0; }