Harris.hpp File Reference

Harris corner detection and non-maximum suppression. More...

#include "Features.hpp"

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Namespaces
namespace	MayaFlux
	Main namespace for the Maya Flux audio engine.
namespace	MayaFlux::Kinesis
namespace	MayaFlux::Kinesis::Vision

Functions
std::vector< Keypoint >	MayaFlux::Kinesis::Vision::extract_peaks (std::span< const float > response, uint32_t w, uint32_t h, float threshold, uint32_t nms_radius)
	Extract peaks from a response map via non-maximum suppression.
void	MayaFlux::Kinesis::Vision::harris_response (std::span< const float > gray, std::span< float > dx, std::span< float > dy, std::span< float > tmp, std::span< float > ixx, std::span< float > iyy, std::span< float > ixy, std::span< float > sxx, std::span< float > syy, std::span< float > sxy, std::span< float > dst, uint32_t w, uint32_t h, float k, std::span< const float > kern)
	Compute the Harris corner response map into caller-supplied buffers.
std::vector< float >	MayaFlux::Kinesis::Vision::harris_response (std::span< const float > gray, uint32_t w, uint32_t h, float k=0.04F, float sigma=1.0F)
	Compute the Harris corner response map.

Detailed Description

Harris corner detection and non-maximum suppression.

Pure functions. No MayaFlux type dependencies.

Conventions

• Input is single-channel normalised float in [0, 1]
• w and h are pixel dimensions; caller ensures span size == w * h
• Response map is normalised to [0, 1] by observed peak
• Keypoint positions are normalised to [0, 1]
• Parallelism handled internally via Parallel::par_unseq

Definition in file Harris.hpp.