Lines Matching refs:threshold
73 threshold is the minimum number of pixels in the feature for it
80 int threshold, std::vector<Vec2f>& lines, int linesMax,
107 int ipp_linesMax = std::min(linesMax, nz*numangle/threshold);
112 if (ok >= 0) ok = ippiHoughLine_Region_8u32f_C1R(image, step, srcSize, (IppPointPolar*) &lines[0], dstRoi, ipp_linesMax, &linesCount, delta, threshold, buffer);
159 if( accum[base] > threshold &&
199 float rho, float theta, int threshold,
227 threshold = MIN( threshold, 255 );
244 lst.push_back(hough_index(threshold, -1.f, 0.f));
322 if( caccum[ri * tn + ti] > threshold )
329 HoughLinesStandard( img, rho, theta, threshold, lines, linesMax, min_theta, max_theta );
342 if( caccum[ri * tn + ti] > threshold )
416 float rho, float theta, int threshold,
446 if (ok >= 0) ok = ippiHoughProbLine_8u32f_C1R(image.data, image.step, srcSize, threshold, lineLength, lineGap, (IppiPoint*) &lines[0], ipp_linesMax, &linesCount, buffer, pSpec);
498 int max_val = threshold-1, max_n = 0;
528 if( max_val < threshold )
730 static bool ocl_HoughLines(InputArray _src, OutputArray _lines, double rho, double theta, int threshold,
772 int linesMax = threshold > 0 ? min(total_points*numangle/threshold, OCL_MAX_LINES) : OCL_MAX_LINES;
776 ocl::KernelArg::PtrWriteOnly(counters), linesMax, threshold, (float) rho, (float) theta);
790 static bool ocl_HoughLinesP(InputArray _src, OutputArray _lines, double rho, double theta, int threshold,
825 int linesMax = threshold > 0 ? min(total_points*numangle/threshold, OCL_MAX_LINES) : OCL_MAX_LINES;
830 linesMax, threshold, (int) minLineLength, (int) maxGap, (float) rho, (float) theta);
850 double rho, double theta, int threshold,
854 ocl_HoughLines(_image, _lines, rho, theta, threshold, min_theta, max_theta));
860 HoughLinesStandard(image, (float)rho, (float)theta, threshold, lines, INT_MAX, min_theta, max_theta );
862 HoughLinesSDiv(image, (float)rho, (float)theta, threshold, cvRound(srn), cvRound(stn), lines, INT_MAX, min_theta, max_theta);
869 double rho, double theta, int threshold,
873 ocl_HoughLinesP(_image, _lines, rho, theta, threshold, minLineLength, maxGap));
877 HoughLinesProbabilistic(image, (float)rho, (float)theta, threshold, cvRound(minLineLength), cvRound(maxGap), lines, INT_MAX);
886 double rho, double theta, int threshold,
906 if( rho <= 0 || theta <= 0 || threshold <= 0 )
907 CV_Error( CV_StsOutOfRange, "rho, theta and threshold must be positive" );
951 (float)theta, threshold, l2, linesMax, min_theta, max_theta );
955 threshold, iparam1, iparam2, l2, linesMax, min_theta, max_theta );
959 threshold, iparam1, iparam2, l4, linesMax );
