void DigitizeStateSegment::handleCurveChange(CmdMediator *cmdMediator) { LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::handleCurveChange"; QImage img = context().mainWindow().imageFiltered(); GraphicsScene &scene = context().mainWindow().scene(); SegmentFactory segmentFactory ((QGraphicsScene &) scene, context().isGnuplot()); segmentFactory.clearSegments (m_segments); // Create new segments segmentFactory.makeSegments (img, cmdMediator->document().modelSegments(), m_segments); // Connect signals of the new segments QList<Segment*>::iterator itr; for (itr = m_segments.begin(); itr != m_segments.end(); itr++) { Segment *segment = *itr; LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::handleCurveChange" << " lines=" << segment->lineCount(); connect (segment, SIGNAL (signalMouseClickOnSegment (QPointF)), this, SLOT (slotMouseClickOnSegment (QPointF))); } }
void DigitizeStateSegment::end () { LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::end"; GraphicsScene &scene = context().mainWindow().scene(); SegmentFactory segmentFactory ((QGraphicsScene &) scene, context().isGnuplot()); segmentFactory.clearSegments(m_segments); }
void DlgSettingsSegments::updatePreview() { LOG4CPP_INFO_S ((*mainCat)) << "DlgSettingsSegments::updatePreview" << " loading=" << (m_loading ? "true" : "false"); const QString ARBITRARY_IDENTIFIER (""); const QColor COLOR (Qt::blue); const int RADIUS = 5; if (!m_loading) { SegmentFactory segmentFactory (*m_scenePreview, mainWindow().isGnuplot()); clearPoints(); segmentFactory.clearSegments (m_segments); // Create new segments segmentFactory.makeSegments (createPreviewImage(), *m_modelSegmentsAfter, m_segments); // Make the segment visible QList<Segment*>::iterator itrS; for (itrS = m_segments.begin(); itrS != m_segments.end(); itrS++) { Segment *segment = *itrS; segment->slotHover (true); } // Create some points PointStyle pointStyle (POINT_SHAPE_CROSS, RADIUS, BRUSH_WIDTH, COLOR_PALETTE_BLUE); QPolygonF polygon = pointStyle.polygon(); QList<QPoint> points = segmentFactory.fillPoints (*m_modelSegmentsAfter, m_segments); QList<QPoint>::iterator itrP; for (itrP = points.begin(); itrP != points.end(); itrP++) { QPoint pos = *itrP; GraphicsPoint *graphicsPoint = new GraphicsPoint (*m_scenePreview, ARBITRARY_IDENTIFIER, pos, COLOR, polygon, BRUSH_WIDTH); m_points.push_back (graphicsPoint); } } }
void DigitizeStateSegment::slotMouseClickOnSegment(QPointF posSegmentStart) { LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::slotMouseClickOnSegment"; Segment *segment = segmentFromSegmentStart (posSegmentStart); // Create single-entry list that is expected by SegmentFactory QList<Segment*> segments; segments.push_back (segment); // Generate point coordinates. Nothing is created in the GraphicsScene at this point GraphicsScene &scene = context().mainWindow().scene(); SegmentFactory segmentFactory ((QGraphicsScene &) scene, context().isGnuplot()); QList<QPoint> points = segmentFactory.fillPoints (m_cmdMediator->document().modelSegments(), segments); // Create one ordinal for each point OrdinalGenerator ordinalGenerator; Document &document = m_cmdMediator->document (); const Transformation &transformation = context ().mainWindow ().transformation(); QList<double> ordinals; QList<QPoint>::iterator itr; for (itr = points.begin(); itr != points.end(); itr++) { QPoint point = *itr; ordinals << ordinalGenerator.generateCurvePointOrdinal(document, transformation, point, activeCurve ()); } // Create command to add points QUndoCommand *cmd = new CmdAddPointsGraph (context ().mainWindow(), document, context ().mainWindow().selectedGraphCurve(), points, ordinals); context().appendNewCmd(m_cmdMediator, cmd); }
int main(int argc, char** argv) { int height ,width ,step ,channels; int same, lighter; float thresh; uchar *dataB, *dataG, *dataR, *dataGray, *dataD; uchar b1, g1, r1, b2, g2, r2; int w = 3; int th = 50; int idx1, idx2; cv::Mat img = cv::imread(argv[1]); height = img.rows; width = img.cols; cv::namedWindow("Image0", cv::WINDOW_NORMAL); cv::Mat textImg(1000, 1200, CV_8UC1, cv::Scalar(255)); cv::putText(textImg, "Original Image:", cv::Point(400, 500), cv::FONT_HERSHEY_SIMPLEX, 2, cv::Scalar(0, 0, 0)); //cv::imshow("Image0", textImg); //cv::waitKey(); //cv::imshow("Image0", img); //cv::waitKey(); textImg.setTo(cv::Scalar(255, 255, 255)); cv::putText(textImg, "Next: Apply SUSAN algorithm to detect edge and cross.", cv::Point(200, 500), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); cv::putText(textImg, "Press any key to continue...", cv::Point(400, 600), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); //cv::imshow("Image0", textImg); //cv::waitKey(); std::vector<cv::Mat> imgChannels; cv::split(img, imgChannels); cv::Mat dstSusan(height, width, CV_8UC1, cv::Scalar(0)); cv::Mat grayImg(height, width, CV_8UC1, cv::Scalar(0)); step = imgChannels[0].step[0]; dataB = imgChannels[0].data; dataG = imgChannels[1].data; dataR = imgChannels[2].data; dataGray = grayImg.data; dataD= dstSusan.data; for (int x = w; x < width-w; x++) { for (int y = w; y < height-w; y++) { same = 0; idx1 = x + y * step; b1 = dataB[idx1]; g1 = dataG[idx1]; r1 = dataR[idx1]; for (int u = 0; u < w+1; u++) { for (int v = 0; v < w+1; v++) { if (u + v == 0) { continue; } idx2 = (x+u) + (y+v) * step; b2 = dataB[idx2]; g2 = dataG[idx2]; r2 = dataR[idx2]; if (calc_dist(b1, g1, r1, b1, g2, r2) < th) { same += 1; } idx2 = (x-u) + (y+v) * step; b2 = dataB[idx2]; g2 = dataG[idx2]; r2 = dataR[idx2]; if (u != 0 && calc_dist(b1, g1, r1, b1, g2, r2) < th) { same += 1; } idx2 = (x+u) + (y-v) * step; b2 = dataB[idx2]; g2 = dataG[idx2]; r2 = dataR[idx2]; if (v != 0 && calc_dist(b1, g1, r1, b1, g2, r2) < th) { same += 1; } idx2 = (x-u) + (y-v) * step; b2 = dataB[idx2]; g2 = dataG[idx2]; r2 = dataR[idx2]; if (u != 0 && v != 0 && calc_dist(b1, g1, r1, b1, g2, r2) < th) { same += 1; } } } dataD[idx1] = uchar(255.0 * float(same) / ((2*w+1) * (2*w+1) - 1)); if (dataD[idx1] < 128) { dataD[idx1] = 255; } else { dataD[idx1] = 0; } } } //cv::imshow("Image0", dstSusan); cv::imwrite("outimg_1.jpg", dstSusan); textImg.setTo(cv::Scalar(255, 255, 255)); cv::putText(textImg, "Next: Apply Hough algorithm to detect lines.", cv::Point(300, 500), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); cv::putText(textImg, "Press any key to continue...", cv::Point(400, 600), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); //cv::waitKey(); //cv::imshow("Image0", textImg); //cv::waitKey(); //Hough line detection std::vector<cv::Vec4i> lines; HoughLinesP(dstSusan, lines, 1, CV_PI/180, 80, 500, 20); double thetaSum = 0.0; int thetaNum = 0; double theta; for(size_t i = 0; i < lines.size(); i++) { cv::Vec4i l = lines[i]; cv::line(img, cv::Point(l[0], l[1]), cv::Point(l[2], l[3]), cv::Scalar(186,88,255), 1, CV_AA); if (l[0] == l[2]) { theta = CV_PI / 2; } else { theta = std::atan(-double(l[3]-l[1]) / (l[2] - l[0])); } if (theta >= -CV_PI / 4 && theta <= CV_PI / 4) { thetaSum += theta; thetaNum += 1; } } theta = -thetaSum / thetaNum * 180 / CV_PI; //cv::imshow("Image0", img); cv::imwrite("outimg_2.jpg", img); //cv::waitKey(); textImg.setTo(cv::Scalar(255, 255, 255)); std::ostringstream textStr; textStr << "Find " << lines.size() << " lines."; cv::putText(textImg, textStr.str(), cv::Point(500, 400), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); textStr.str(std::string()); textStr.clear(); textStr << "Rotating angle is " << theta << " degree."; cv::putText(textImg, textStr.str(), cv::Point(350, 500), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); cv::putText(textImg, "Next: Rotating the image.", cv::Point(400, 600), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); cv::putText(textImg, "Press any key to continue...", cv::Point(400, 700), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); //cv::imshow("Image0", textImg); //cv::waitKey(); img.release(); img = cv::imread(argv[1]); imgChannels[0].release(); imgChannels[1].release(); imgChannels[2].release(); imgChannels.clear(); cv::Mat rotateImg(height, width, CV_8UC3); cv::Point2f center; center.x = float(width / 2.0 + 0.5); center.y = float(height / 2.0 + 0.5); cv::Mat affineMat = getRotationMatrix2D(center, theta, 1); cv::warpAffine(img,rotateImg, affineMat, cv::Size(width, height), CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS); //cv::imshow("Image0", rotateImg); cv::imwrite("outimg_3.jpg", rotateImg); //cv::waitKey(); textImg.setTo(cv::Scalar(255, 255, 255)); cv::putText(textImg, "Next: Transform the image to gray scale.", cv::Point(300, 500), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); cv::putText(textImg, "Press any key to continue...", cv::Point(400, 600), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); //cv::imshow("Image0", textImg); //cv::waitKey(); cv::split(rotateImg, imgChannels); dataB = imgChannels[0].data; dataG = imgChannels[1].data; dataR = imgChannels[2].data; step = imgChannels[0].step[0]; //imgChannels[2].setTo(cv::Scalar(0)); for (int x = 0; x < rotateImg.cols; x++) { for (int y = 0; y < rotateImg.rows; y++) { int idx = x + y * step; if (dataB[idx] < dataG[idx] && dataB[idx] < dataR[idx]) { dataG[idx] = dataB[idx]; dataR[idx] = dataB[idx]; } if (dataG[idx] < dataB[idx] && dataG[idx] < dataR[idx]) { dataB[idx] = dataG[idx]; dataR[idx] = dataG[idx]; } if (dataR[idx] < dataB[idx] && dataR[idx] < dataG[idx]) { dataB[idx] = dataR[idx]; dataG[idx] = dataR[idx]; } } } cv::Mat filterRedImg(rotateImg.rows, rotateImg.cols, CV_8UC3, cv::Scalar::all(255)); cv::merge(imgChannels, filterRedImg); cv::cvtColor(filterRedImg, grayImg, CV_BGR2GRAY); //cv::imshow("Image0", grayImg); cv::imwrite("outimg_4.jpg", grayImg); //cv::waitKey(); textImg.setTo(cv::Scalar(255, 255, 255)); cv::putText(textImg, "Next: Clean the noise.", cv::Point(450, 500), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); cv::putText(textImg, "Press any key to continue...", cv::Point(400, 600), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); //cv::imshow("Image0", textImg); //cv::waitKey(); step = grayImg.step[0]; for (int x = 0; x < width; x++) { for (int y = 0; y < height; y++) { int idx = x + y * step; if (grayImg.data[idx] > 100) //if(!is_gray(dataB[idx], dataG[idx], dataR[idx])) { grayImg.data[idx] = 255; } } } //cv::imshow("Image0", grayImg); cv::imwrite("outimg_5.jpg", grayImg); //cv::waitKey(); textImg.setTo(cv::Scalar(255, 255, 255)); cv::putText(textImg, "Next: Digitizing the curves.", cv::Point(400, 500), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); cv::putText(textImg, "Press any key to continue...", cv::Point(400, 600), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); //cv::imshow("Image0", textImg); //cv::waitKey(); cv::Mat newImg(height, width, CV_8UC3, cv::Scalar::all(255)); SegmentFactory segFactory = SegmentFactory(0); std::vector<Segment *> segments; segFactory.makeSegments(grayImg, segments); std::vector<Segment *>::iterator itr; for (itr = segments.begin(); itr != segments.end(); itr++) { Segment *seg = *itr; std::vector<SegmentLine *>::iterator itr_l; for (itr_l = seg->m_lines.begin(); itr_l != seg->m_lines.end(); itr_l++) { SegmentLine *line = *itr_l; cv::line(newImg, cv::Point(line->m_x1, line->m_y1), cv::Point(line->m_x2, line->m_y2), cv::Scalar(186,88,255), 1, CV_AA); std::cout << line->m_x1 << ", " << line->m_y1 << ", " << line->m_x2 << ", " << line->m_y2 << std::endl; } } //cv::imshow("Image0", newImg); cv::imwrite("outimg_6.jpg", newImg); //cv::waitKey(); textImg.setTo(cv::Scalar(255, 255, 255)); cv::putText(textImg, "Done.", cv::Point(550, 500), cv::FONT_HERSHEY_SIMPLEX, 1, cv::Scalar(0, 255, 255)); //cv::imshow("Image0", textImg); //cv::waitKey(); return 0; }