60                         std::vector<KeyPoint>& keypoints,  in detect()  argument
65         keypoints.clear();  in detect()
68     detectAndCompute(image, mask, keypoints, noArray(), false);  in detect()
73                         std::vector<std::vector<KeyPoint> >& keypoints,  in detect()
87     keypoints.resize(nimages);  in detect()
91         detect(images[i], keypoints[i], masks.empty() ? Mat() : masks[i] );  in detect()
102                          std::vector<KeyPoint>& keypoints,  in compute()  argument
110     detectAndCompute(image, noArray(), keypoints, descriptors, true);  in compute()
114                          std::vector<std::vector<KeyPoint> >& keypoints,  in compute()
125     CV_Assert( keypoints.size() == nimages );  in compute()
133         compute(images[i], keypoints[i], descriptors[i]);  in compute()