Cross Reference: /external/opencv3/modules/features2d/src/keypoint.cpp

Lines Matching refs:keypoints
68 // takes keypoints and culls them by the response
69 void KeyPointsFilter::retainBest(std::vector<KeyPoint>& keypoints, int n_points)
71     //this is only necessary if the keypoints size is greater than the number of desired points.
72     if( n_points >= 0 && keypoints.size() > (size_t)n_points )
76             keypoints.clear();
79         //first use nth element to partition the keypoints into the best and worst.
80         std::nth_element(keypoints.begin(), keypoints.begin() + n_points, keypoints.end(), KeypointResponseGreater());
82         float ambiguous_response = keypoints[n_points - 1].response;
83         //use std::partition to grab all of the keypoints with the boundary response.
85         std::partition(keypoints.begin() + n_points, keypoints.end(),
87         //resize the keypoints, given this new end point. nth_element and partition reordered the points inplace
88         keypoints.resize(new_end - keypoints.begin());
105 void KeyPointsFilter::runByImageBorder( std::vector<KeyPoint>& keypoints, Size imageSize, int borderSize )
110             keypoints.clear();
112             keypoints.erase( std::remove_if(keypoints.begin(), keypoints.end(),
115                              keypoints.end() );
133 void KeyPointsFilter::runByKeypointSize( std::vector<KeyPoint>& keypoints, float minSize, float maxSize )
139     keypoints.erase( std::remove_if(keypoints.begin(), keypoints.end(), SizePredicate(minSize, maxSize)),
140                      keypoints.end() );
157 void KeyPointsFilter::runByPixelsMask( std::vector<KeyPoint>& keypoints, const Mat& mask )
162     keypoints.erase(std::remove_if(keypoints.begin(), keypoints.end(), MaskPredicate(mask)), keypoints.end());
192 void KeyPointsFilter::removeDuplicated( std::vector<KeyPoint>& keypoints )
194     int i, j, n = (int)keypoints.size();
200     std::sort(kpidx.begin(), kpidx.end(), KeyPoint_LessThan(keypoints));
203         KeyPoint& kp1 = keypoints[kpidx[i]];
204         KeyPoint& kp2 = keypoints[kpidx[j]];
217                 keypoints[j] = keypoints[i];
221     keypoints.resize(j);