//! Individua gli eventuali angoli presenti nella curva da calcolare void detectCorners(const std::vector<T3DPointD> &inputPoints, int minSampleNum, int minDist, int maxDist, double maxAngle, std::vector<int> &cornerIndexes) { gMinSampleNum = minSampleNum; gMinDist = minDist; gMaxDist = maxDist; gSquaredMinDist = minDist * minDist; gSquaredMaxDist = maxDist * maxDist; gMaxAngle = maxAngle; interpolate(inputPoints); if ((int)gPoints.size() > 2 * gMaxDist) { findCornerCandidates(); findCorners((int)sqrt((float)gSquaredMaxDist) + 10, cornerIndexes); } gPoints.clear(); // check for no index equal to an adjacent std::vector<int>::iterator it1, it2; it1 = it2 = cornerIndexes.begin(); ++it2; while (it2 != cornerIndexes.end()) { if (*it1 == *it2) { it2 = cornerIndexes.erase(it2); } else { ++it1; ++it2; } } }
// Return an image with corners marked to display. // const cv::Mat &apply() { static const int radius = 4; const int max = bar < 1 ? 1 : bar > maxBar ? maxBar : bar; const std::vector<cv::Point2f> corners = findCorners(grayImage, max); sourceImage.copyTo(cornersImage); for (int i = 0; i < corners.size(); ++i) { drawCircle(cornersImage, corners[i], radius); } return cornersImage; }
int main(int argc, const char **argv) { // Instantiate a ModelManager: ModelManager manager("Test wiimote"); nub::ref<OutputFrameSeries> ofs(new OutputFrameSeries(manager)); manager.addSubComponent(ofs); nub::ref<InputFrameSeries> ifs(new InputFrameSeries(manager)); manager.addSubComponent(ifs); // Parse command-line: if (manager.parseCommandLine(argc, argv, "", 0, 0) == false) return(1); manager.start(); //Init camara params itsIntrinsicMatrix = cvCreateMat( 3, 3, CV_32FC1); itsDistortionCoeffs = cvCreateMat( 4, 1, CV_32FC1); itsCameraRotation = cvCreateMat( 1, 3, CV_64FC1); itsCameraTranslation = cvCreateMat( 1, 3, CV_64FC1); //cvmSet(itsDistortionCoeffs, 0, 0, -0.2403274); //cvmSet(itsDistortionCoeffs, 1, 0, 2.5312502); //cvmSet(itsDistortionCoeffs, 2, 0, -0.0439848); //cvmSet(itsDistortionCoeffs, 3, 0, -0.0106820); cvmSet(itsDistortionCoeffs, 0, 0, 0); cvmSet(itsDistortionCoeffs, 1, 0, 0); cvmSet(itsDistortionCoeffs, 2, 0, 0); cvmSet(itsDistortionCoeffs, 3, 0, 0); cvmSet(itsCameraRotation, 0, 0, 2.391102); cvmSet(itsCameraRotation, 0, 1, 0); cvmSet(itsCameraRotation, 0, 2, 0); cvmSet(itsCameraTranslation, 0, 0, 0); cvmSet(itsCameraTranslation, 0, 1, 0); cvmSet(itsCameraTranslation, 0, 2, 840.954432); //cvmSet(itsIntrinsicMatrix, 0, 0, 290.85342); cvmSet(itsIntrinsicMatrix, 0, 1, 0); cvmSet(itsIntrinsicMatrix, 0, 2, 320/2); //159.50000); //cvmSet(itsIntrinsicMatrix, 1, 0, 0); cvmSet(itsIntrinsicMatrix, 1, 1, 290.85342 ); cvmSet(itsIntrinsicMatrix, 1, 2, 240/2); // 119.5); //cvmSet(itsIntrinsicMatrix, 2, 0, 0); cvmSet(itsIntrinsicMatrix, 2, 1, 0); cvmSet(itsIntrinsicMatrix, 2, 2, 1); cvmSet(itsIntrinsicMatrix, 0, 0, 415.5); cvmSet(itsIntrinsicMatrix, 0, 1, 0); cvmSet(itsIntrinsicMatrix, 0, 2, 320/2); //159.50000); cvmSet(itsIntrinsicMatrix, 1, 0, 0); cvmSet(itsIntrinsicMatrix, 1, 1, 436 ); cvmSet(itsIntrinsicMatrix, 1, 2, 240/2); // 119.5); cvmSet(itsIntrinsicMatrix, 2, 0, 0); cvmSet(itsIntrinsicMatrix, 2, 1, 0); cvmSet(itsIntrinsicMatrix, 2, 2, 1); bool drawGrid = true; bool saveCorners = false; bool calibrate = false; std::vector<CvPoint2D32f> allCorners; while(1) { GenericFrame input = ifs->readFrame(); Image<PixRGB<byte> > img = input.asRgb(); int rows = 4, cols = 3; std::vector<CvPoint2D32f> corners = findCorners(img, rows, cols); if (corners.size() == (uint)(rows*cols)) { if (saveCorners) for(uint i=0; i<corners.size(); i++) allCorners.push_back(corners[i]); saveCorners = false; cvDrawChessboardCorners(img2ipl(img), cvSize(rows,cols), &corners[0], corners.size(), 1); } if (calibrate) { calibrateViews(allCorners, rows, cols); if (corners.size() == (uint)(rows*cols)) findExtrinsic(corners, rows, cols); calibrate = false; } if (drawGrid) projectGrid(img); projectRect(img, 216.5, 279.5); processUserInput(ofs, drawGrid, saveCorners, calibrate); ofs->writeRGB(img, "Output", FrameInfo("Output", SRC_POS)); ofs->updateNext(); } // stop all our ModelComponents manager.stop(); // all done! return 0; }
CornerDetector(IMGH::Image *img, float thr=0.1) : corner_count(0) { findCorners(img, thr); }
void findCorners(int w, int h, pixel_t type, void *udata, float thr=0.1) { grd_dummy.getGradientImage( w, h, type, udata ); findCorners( &grd_dummy, thr ); }
void findCorners(IMGH::Image *img, float thr=0.1) { grd_dummy.getGradientImage( img ); findCorners( &grd_dummy, thr ); }
RTC::ReturnCode_t ImageCalibration::onExecute(RTC::UniqueId ec_id) { board_sz = cvSize(m_board_w, m_board_h); //Calibrationパターンを計算する。 if (m_inputImageIn.isNew()) { m_inputImageIn.read(); if(m_keyIn.isNew()){ m_keyIn.read(); key = (int)m_key.data; } if(g_temp_w != m_inputImage.width || g_temp_h != m_inputImage.height){ inputImage_buff = cvCreateImage(cvSize(m_inputImage.width, m_inputImage.height), 8, 3); outputImage_buff = cvCreateImage(cvSize(m_inputImage.width, m_inputImage.height), 8, 3); tempImage_buff = cvCreateImage(cvSize(m_inputImage.width, m_inputImage.height), 8, 3); undistortionImage = cvCreateImage(cvSize(m_inputImage.width, m_inputImage.height), 8, 3); birds_image = cvCreateImage(cvSize(m_inputImage.width, m_inputImage.height), 8, 3); intrinsicMatrix = cvCreateMat(3,3,CV_64FC1); distortionCoefficient = cvCreateMat(4,1,CV_64FC1); captureCount = 0; findFlag = 0; mapx = cvCreateImage( cvSize(m_inputImage.width, m_inputImage.height), IPL_DEPTH_32F, 1); mapy = cvCreateImage( cvSize(m_inputImage.width, m_inputImage.height), IPL_DEPTH_32F, 1); corners = new CvPoint2D32f[m_board_w * m_board_h]; g_temp_w = m_inputImage.width; g_temp_h = m_inputImage.height; } //Capture開始する。 memcpy(inputImage_buff->imageData,(void *)&(m_inputImage.pixels[0]), m_inputImage.pixels.length()); // tempImage_buff = cvCloneImage(inputImage_buff); //OutPortに出力する。 int len = inputImage_buff->nChannels * inputImage_buff->width * inputImage_buff->height; m_origImage.pixels.length(len); memcpy((void *)&(m_origImage.pixels[0]), inputImage_buff->imageData, len); m_origImage.width = inputImage_buff->width; m_origImage.height = inputImage_buff->height; m_origImageOut.write(); //Capture確認用のWindowの生成 //cvShowImage("Capture", inputImage_buff); cvWaitKey(1); //SpaceBarを押すとサンプル映像5枚を撮る if (key == ' ') { tempImage_buff = cvCloneImage(inputImage_buff); //映像を生成する IplImage *grayImage = cvCreateImage(cvGetSize(tempImage_buff), 8, 1); //行列の生成 CvMat *worldCoordinates = cvCreateMat((m_board_w * m_board_h) * NUM_OF_BACKGROUND_FRAMES, 3, CV_64FC1); //世界座標用行列 CvMat *imageCoordinates = cvCreateMat((m_board_w * m_board_h) * NUM_OF_BACKGROUND_FRAMES ,2, CV_64FC1); //画像座標用行列 CvMat *pointCounts = cvCreateMat(NUM_OF_BACKGROUND_FRAMES, 1, CV_32SC1); //コーナー数の行列 CvMat *rotationVectors = cvCreateMat(NUM_OF_BACKGROUND_FRAMES, 3, CV_64FC1); //回転ベクトル CvMat *translationVectors = cvCreateMat(NUM_OF_BACKGROUND_FRAMES, 3, CV_64FC1); //世界座標を設定する for (int i = 0; i < NUM_OF_BACKGROUND_FRAMES; i++){ for ( int j = 0; j < (m_board_w * m_board_h); j++) { cvSetReal2D(worldCoordinates, i * (m_board_w * m_board_h) + j, 0, (j % m_board_w) * UNIT); cvSetReal2D(worldCoordinates, i * (m_board_w * m_board_h) + j, 1, (j / m_board_w) * UNIT); cvSetReal2D(worldCoordinates, i * (m_board_w * m_board_h) + j, 2, 0.0); } } //コーナー数を設定 for(int i = 0; i < NUM_OF_BACKGROUND_FRAMES; i++){ cvSetReal2D(pointCounts, i, 0, (m_board_w * m_board_h)); } //コーナーを検出する。 findFlag = findCorners(tempImage_buff, grayImage, corners); if (findFlag != 0) { //コーナーをすべて検出した場合 //映像座標を設定する。 for (;;){ for (int i = 0; i < (m_board_w * m_board_h); i++){ cvSetReal2D(imageCoordinates, captureCount * (m_board_w * m_board_h) + i, 0, corners[i].x); cvSetReal2D(imageCoordinates, captureCount * (m_board_w * m_board_h) + i, 1, corners[i].y); } captureCount++; printf("%d枚目キャプチャしました\n", captureCount); if (captureCount == NUM_OF_BACKGROUND_FRAMES) { //設定した回数チェックパターンを撮った場合 //カメラパラメータを推定する。 cvCalibrateCamera2( worldCoordinates, imageCoordinates, pointCounts, cvGetSize(inputImage_buff), intrinsicMatrix, distortionCoefficient, rotationVectors, translationVectors, CALIBRATE_CAMERA_FLAG ); //情報をTextとして出力 printf("\nレンズ歪み係数\n"); saveRenseMatrix(distortionCoefficient); printMatrix("%lf", distortionCoefficient); //m_renseParameter.data = renseParameters; printf("\n内部パラメータ\n"); saveInternalParameterMatrix(intrinsicMatrix); printMatrix("%lf ", intrinsicMatrix); //m_internalParameter.data = internalParameter; captureCount = 0; break; } } } if (findFlag != 0){ InParameter = 1; }else if (findFlag == 0) { InParameter = 0; } //メモリ解除 cvReleaseMat(&worldCoordinates); cvReleaseMat(&imageCoordinates); cvReleaseMat(&pointCounts); cvReleaseMat(&rotationVectors); cvReleaseMat(&translationVectors); cvReleaseImage(&grayImage); } g_temp_w = m_inputImage.width; g_temp_h = m_inputImage.height; } //外部パターンを取得 if (key == ' ' && m_inputImageIn.isNew() && InParameter == 1) { //行列の生成 CvMat *worldCoordinates = cvCreateMat((m_board_w * m_board_h), 3, CV_64FC1); //世界座標用行列 CvMat *imageCoordinates = cvCreateMat((m_board_w * m_board_h), 2, CV_64FC1); //画像座標用行列 CvMat *rotationVectors = cvCreateMat(1, 3, CV_64FC1); //回転ベクトル CvMat *rotationMatrix = cvCreateMat(3, 3, CV_64FC1); //回転行列 CvMat *translationVectors = cvCreateMat(1, 3, CV_64FC1); //世界座標を設定する for (int i = 0; i < (m_board_w * m_board_h); i++){ cvSetReal2D(worldCoordinates, i, 0, (i % m_board_w) * UNIT); cvSetReal2D(worldCoordinates, i, 1, (i / m_board_w) * UNIT); cvSetReal2D(worldCoordinates, i, 2, 0.0); } cvWaitKey( 1 ); // スペースキーが押されたら if ( findFlag != 0 ) { // コーナーがすべて検出された場合 // 画像座標を設定する for ( int i = 0; i < (m_board_w * m_board_h); i++ ){ cvSetReal2D( imageCoordinates, i, 0, corners[i].x); cvSetReal2D( imageCoordinates, i, 1, corners[i].y); } // 外部パラメータを推定する cvFindExtrinsicCameraParams2( worldCoordinates, imageCoordinates, intrinsicMatrix, distortionCoefficient, rotationVectors, translationVectors ); // 回転ベクトルを回転行列に変換する cvRodrigues2( rotationVectors, rotationMatrix, NULL ); printf( "\n外部パラメータ\n" ); printExtrinsicMatrix( rotationMatrix, translationVectors ); saveExternalParameterMatrix(rotationMatrix, translationVectors); m_externalParameter.data = CORBA::string_dup(externalParameter); m_renseParameter.data = CORBA::string_dup(renseParameters); m_internalParameter.data = CORBA::string_dup(internalParameter); } //メモリを解放 cvReleaseMat( &worldCoordinates ); cvReleaseMat( &imageCoordinates ); cvReleaseMat( &rotationVectors ); cvReleaseMat( &rotationMatrix ); cvReleaseMat( &translationVectors ); //X,Y初期化 cvInitUndistortMap( intrinsicMatrix, distortionCoefficient, mapx, mapy ); //外部パラメータ確認フラグ outParameter = 1; key = 0; } //内部外部パラメータの出力に成功したら if (InParameter == 1 && outParameter == 1) { // レンズ歪みを補正した画像を生成する cvUndistort2( inputImage_buff, undistortionImage, intrinsicMatrix, distortionCoefficient ); //cvShowImage("歪み補正", undistortionImage); //OutPortに補正映像を出力する。 //int len = undistortionImage->nChannels * undistortionImage->width * undistortionImage->height; //m_calbImage.pixels.length(len); //歪み補正映像をOutPortとしてメモリコピーする。 //memcpy((void *)&(m_calbImage.pixels[0]), undistortionImage->imageData, len); //m_calbImageOut.write(); //鳥瞰図の座標設定 objPts[0].x = 0; objPts[0].y = 0; objPts[1].x = m_board_w-1; objPts[1].y = 0; objPts[2].x = 0; objPts[2].y = m_board_h-1; objPts[3].x = m_board_w-1; objPts[3].y = m_board_h-1; //取得するCornerを設定 imgPts[0] = corners[0]; imgPts[1] = corners[m_board_w - 1]; imgPts[2] = corners[(m_board_h - 1) * m_board_w]; imgPts[3] = corners[(m_board_h - 1) * m_board_w + m_board_w - 1]; //指定したCornerに○を作成する cvCircle(tempImage_buff, cvPointFrom32f(imgPts[0]), 9, CV_RGB(0,0,255), 3); cvCircle(tempImage_buff, cvPointFrom32f(imgPts[1]), 9, CV_RGB(0,255,0), 3); cvCircle(tempImage_buff, cvPointFrom32f(imgPts[2]), 9, CV_RGB(255,0,0), 3); cvCircle(tempImage_buff, cvPointFrom32f(imgPts[3]), 9, CV_RGB(255,255,0), 3); CvMat *H = cvCreateMat(3, 3, CV_32F); cvGetPerspectiveTransform(objPts, imgPts, H); //高さを設定する。 CV_MAT_ELEM(*H, float, 2, 2) = m_camera_Height; //Warppingを実行 cvWarpPerspective(inputImage_buff, birds_image, H, CV_INTER_LINEAR | CV_WARP_INVERSE_MAP | CV_WARP_FILL_OUTLIERS); //鳥瞰図をOutPortに出力する。 int len = birds_image->nChannels * birds_image->width * birds_image->height; m_birdImage.pixels.length(len); memcpy((void *)&(m_birdImage.pixels[0]), birds_image->imageData, len); m_birdImage.width = inputImage_buff->width; m_birdImage.height = inputImage_buff->height; m_birdImageOut.write(); cvWaitKey(10); //cvShowImage("Bird_Eye", birds_image); cvReleaseMat(&H); g_temp_w = m_inputImage.width; g_temp_h = m_inputImage.height; key = 0; }