threshold_adaptive() [2/2]

MAYAFLUX_API std::vector< float > MayaFlux::Kinesis::Vision::threshold_adaptive	(	std::span< const float >	gray,
		uint32_t	w,
		uint32_t	h,
		uint32_t	block_size,
		float	offset
	)

Adaptive threshold using local block mean minus offset.

Each pixel is thresholded against the mean of its block_size x block_size neighbourhood minus offset. Pixels at the border use a clamped neighbourhood.

Parameters

gray	Single-channel float span, size must be w * h.
w	Image width in pixels.
h	Image height in pixels.
block_size	Neighbourhood size in pixels. Must be odd and >= 3.
offset	Subtracted from local mean before comparison.

Returns

Binary float vector of length w * h.

Definition at line 290 of file PixelOps.cpp.

{
    std::vector<float> out(static_cast<size_t>(w) * h);
    threshold_adaptive(gray, out, w, h, block_size, offset);
    return out;
}

References block_size, h, offset, and threshold_adaptive().

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