9 const auto& f = analysis.
frame;
11 if (qualifier ==
"box_count")
12 return static_cast<double>(f.boxes.size());
13 if (qualifier ==
"contour_count")
14 return static_cast<double>(f.contours.size());
15 if (qualifier ==
"keypoint_count")
16 return static_cast<double>(f.keypoints.size());
17 if (qualifier ==
"track_count")
18 return static_cast<double>(f.tracks.size());
19 if (qualifier ==
"component_count")
20 return static_cast<double>(f.components.count);
21 if (qualifier ==
"mean_gradient_magnitude") {
25 return std::accumulate(mag.begin(), mag.end(), 0.0)
26 /
static_cast<double>(mag.size());
double extract_scalar_vision(const VisionAnalysis &analysis, const std::string &qualifier)
Extract a named scalar from a VisionAnalysis result.
std::vector< float > magnitude
Gradient magnitude, normalised to [0, 1].
Kinesis::Vision::GradientResult gradient
Analysis result produced by VisionAnalyzer for one frame.