rc_filter.h File Reference

RAPP Compute layer fixed filters. More...

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Functions
RC_EXPORT void	rc_filter_diff_1x2_horz_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	1x2 horizontal difference.
RC_EXPORT void	rc_filter_diff_1x2_horz_abs_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	1x2 horizontal difference, absolute value.
RC_EXPORT void	rc_filter_diff_2x1_vert_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	2x1 vertical difference.
RC_EXPORT void	rc_filter_diff_2x1_vert_abs_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	2x1 vertical difference, absolute value.
RC_EXPORT void	rc_filter_diff_2x2_magn_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	2x2 difference magnitude.
RC_EXPORT void	rc_filter_sobel_3x3_horz_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 horizontal Sobel gradient.
RC_EXPORT void	rc_filter_sobel_3x3_horz_abs_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 horizontal Sobel gradient, absolute value.
RC_EXPORT void	rc_filter_sobel_3x3_vert_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 vertical Sobel gradient.
RC_EXPORT void	rc_filter_sobel_3x3_vert_abs_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 vertical Sobel gradient, absolute value.
RC_EXPORT void	rc_filter_sobel_3x3_magn_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 Sobel gradient magnitude.
RC_EXPORT void	rc_filter_gauss_3x3_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 gaussian.
RC_EXPORT void	rc_filter_laplace_3x3_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 laplacian.
RC_EXPORT void	rc_filter_laplace_3x3_abs_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 laplacian, absolute value.
RC_EXPORT void	rc_filter_highpass_3x3_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 highpass filter.
RC_EXPORT void	rc_filter_highpass_3x3_abs_u8 (uint8_t *restrict dst, int dst_dim, const uint8_t *restrict src, int src_dim, int width, int height)
	3x3 highpass filter, absolute value.

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Detailed Description

RAPP Compute layer fixed filters.

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Function Documentation

RC_EXPORT void rc_filter_diff_1x2_horz_abs_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

1x2 horizontal difference, absolute value.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_diff_1x2_horz_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

1x2 horizontal difference.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_diff_2x1_vert_abs_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

2x1 vertical difference, absolute value.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_diff_2x1_vert_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

2x1 vertical difference.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_diff_2x2_magn_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

2x2 difference magnitude.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_gauss_3x3_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 gaussian.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_highpass_3x3_abs_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 highpass filter, absolute value.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_highpass_3x3_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 highpass filter.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_laplace_3x3_abs_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 laplacian, absolute value.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_laplace_3x3_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 laplacian.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_sobel_3x3_horz_abs_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 horizontal Sobel gradient, absolute value.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_sobel_3x3_horz_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 horizontal Sobel gradient.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_sobel_3x3_magn_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 Sobel gradient magnitude.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_sobel_3x3_vert_abs_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 vertical Sobel gradient, absolute value.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.

RC_EXPORT void rc_filter_sobel_3x3_vert_u8	(	uint8_t *restrict	dst,
		int	dst_dim,
		const uint8_t *restrict	src,
		int	src_dim,
		int	width,
		int	height
	)

3x3 vertical Sobel gradient.

Parameters:

[out]	dst	Destination pixel buffer.
	dst_dim	Row dimension of the destination buffer.
[in]	src	Source pixel buffer.
	src_dim	Row dimension of the destination buffer.
	width	Image width in pixels.
	height	Image height in pixels.