morph_gradient() [1/2]

MAYAFLUX_API void MayaFlux::Kinesis::Vision::morph_gradient	(	std::span< const float >	mask,
		std::span< float >	tmp,
		std::span< float >	dst,
		uint32_t	w,
		uint32_t	h,
		uint32_t	radius
	)

Morphological gradient (dilate - erode) writing into dst.

tmp used for the dilate intermediate. Eigen subtraction for final step.

Definition at line 141 of file Morphology.cpp.

{
    const auto en = static_cast<Eigen::Index>(static_cast<size_t>(w) * h);
    dilate(mask, tmp, w, h, radius);
    erode(mask, dst, w, h, radius);
 
    Eigen::Map<Eigen::ArrayXf>(dst.data(), en) = Eigen::Map<const Eigen::ArrayXf>(tmp.data(), en)
        - Eigen::Map<const Eigen::ArrayXf>(dst.data(), en);
}

References dilate(), erode(), h, and radius.

Referenced by morph_gradient(), and MayaFlux::Kinesis::Vision::VisionExecutor::run().

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