mpix/stats.h

Compute statistics on images [EXPERIMENTAL]. More...

Functions
void	mpix_stats_rgb_avg (const uint8_t *buf, uint16_t width, uint16_t height, uint32_t fourcc, uint8_t avg[3], uint16_t nval)
	Collect red, green, blue channel averages of all pixels in an RGB24 frame.
void	mpix_stats_rgb_hist (const uint8_t *buf, uint16_t width, uint16_t height, uint32_t fourcc, uint16_t *hist, size_t hist_size, uint16_t nval)
void	mpix_stats_luma_hist (const uint8_t *buf, uint16_t width, uint16_t height, uint32_t fourcc, uint16_t *hist, size_t hist_size, uint16_t nval)
void	mpix_rggb8frame_to_rgb24avg (const uint8_t *buf, size_t size, uint16_t width, uint8_t rgb24avg[3], uint16_t nval)
	Collect red, green, blue channel averages of all pixels in an RGGB8 frame.
void	mpix_bggr8frame_to_rgb24avg (const uint8_t *buf, size_t size, uint16_t width, uint8_t rgb24avg[3], uint16_t nval)
	Collect red, green, blue channel averages of all pixels in an BGGR8 frame.
void	mpix_gbrg8frame_to_rgb24avg (const uint8_t *buf, size_t size, uint16_t width, uint8_t rgb24avg[3], uint16_t nval)
	Collect red, green, blue channel averages of all pixels in an GBRG8 frame.
void	mpix_grbg8frame_to_rgb24avg (const uint8_t *buf, size_t size, uint16_t width, uint8_t rgb24avg[3], uint16_t nval)
	Collect red, green, blue channel averages of all pixels in an GRBG8 frame.
void	mpix_rgb24frame_to_rgb24hist (const uint8_t *buf, size_t buf_size, uint16_t *rgb24hist, size_t hist_size, uint16_t nval)
	Collect an histogram for each of the red, green, blue channels of an RGB24 frame.
void	mpix_rggb8frame_to_rgb24hist (const uint8_t *buf, size_t buf_size, uint16_t width, uint16_t *rgb24hist, size_t hist_size, uint16_t nval)
	Collect an histogram for each of the red, green, blue channels of an RGGB8 frame.
void	mpix_gbrg8frame_to_rgb24hist (const uint8_t *buf, size_t buf_size, uint16_t width, uint16_t *rgb24hist, size_t hist_size, uint16_t nval)
	Collect an histogram for each of the red, green, blue channels of GBRG8 frame.
void	mpix_bggr8frame_to_rgb24hist (const uint8_t *buf, size_t buf_size, uint16_t width, uint16_t *rgb24hist, size_t hist_size, uint16_t nval)
	Collect an histogram for each of the red, green, blue channels of BGGR8 frame.
void	mpix_grbg8frame_to_rgb24hist (const uint8_t *buf, size_t buf_size, uint16_t width, uint16_t *rgb24hist, size_t hist_size, uint16_t nval)
	Collect an histogram for each of the red, green, blue channels of GRBG8 frame.
void	mpix_rgb24frame_to_y8hist (const uint8_t *buf, size_t buf_size, uint16_t *y8hist, size_t hist_size, uint16_t nval)
	Collect an histogram for the Y channel, obtained from the pixel values of the image.
void	mpix_rggb8frame_to_y8hist (const uint8_t *buf, size_t buf_size, uint16_t width, uint16_t *y8hist, size_t hist_size, uint16_t nval)
	Collect an histogram for the Y channel, obtained from the values of an RGGB8 frame.
void	mpix_gbrg8frame_to_y8hist (const uint8_t *buf, size_t buf_size, uint16_t width, uint16_t *y8hist, size_t hist_size, uint16_t nval)
	Collect an histogram for the Y channel, obtained from the values of an GBRG8 frame.
void	mpix_bggr8frame_to_y8hist (const uint8_t *buf, size_t buf_size, uint16_t width, uint16_t *y8hist, size_t hist_size, uint16_t nval)
	Collect an histogram for the Y channel, obtained from the values of an BGGR8 frame.
void	mpix_grbg8frame_to_y8hist (const uint8_t *buf, size_t buf_size, uint16_t width, uint16_t *y8hist, size_t hist_size, uint16_t nval)
	Collect an histogram for the Y channel, obtained from the values of an GRBG8 frame.

Detailed Description

Compute statistics on images [EXPERIMENTAL].

SPDX-License-Identifier: Apache-2.0

Function Documentation

mpix_bggr8frame_to_rgb24avg()

void mpix_bggr8frame_to_rgb24avg	(	const uint8_t *	buf,
		size_t	size,
		uint16_t	width,
		uint8_t	rgb24avg[3],
		uint16_t	nval
	)

Collect red, green, blue channel averages of all pixels in an BGGR8 frame.

Parameters

buf	Buffer of pixels in bayer format (1 byte per pixel) to collect the statistics from.
size	Size of this input buffer.
width	Width of the lines in number of pixels.
rgb24avg	The channel averages stored as an RGB24 pixel.
nval	The number of values to collect in order to perform the statistics.

mpix_bggr8frame_to_rgb24hist()

void mpix_bggr8frame_to_rgb24hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t	width,
		uint16_t *	rgb24hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for each of the red, green, blue channels of BGGR8 frame.

Parameters

buf	Buffer of pixels to collect the statistics from.
buf_size	Size of this input buffer.
width	Width of the lines in number of pixels.
rgb24hist	Buffer storing 3 histograms one after the other, for the R, G, B channels.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_bggr8frame_to_y8hist()

void mpix_bggr8frame_to_y8hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t	width,
		uint16_t *	y8hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for the Y channel, obtained from the values of an BGGR8 frame.

Parameters

buf	Buffer of pixels in bayer format (1 byte per pixel) to collect the statistics from.
buf_size	Size of this input buffer.
width	Width of the lines in number of pixels.
y8hist	Buffer storing the histogram for the Y (luma) channel.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_gbrg8frame_to_rgb24avg()

void mpix_gbrg8frame_to_rgb24avg	(	const uint8_t *	buf,
		size_t	size,
		uint16_t	width,
		uint8_t	rgb24avg[3],
		uint16_t	nval
	)

Collect red, green, blue channel averages of all pixels in an GBRG8 frame.

Parameters

buf	Buffer of pixels in bayer format (1 byte per pixel) to collect the statistics from.
size	Size of this input buffer.
width	Width of the lines in number of pixels.
rgb24avg	The channel averages stored as an RGB24 pixel.
nval	The number of values to collect in order to perform the statistics.

mpix_gbrg8frame_to_rgb24hist()

void mpix_gbrg8frame_to_rgb24hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t	width,
		uint16_t *	rgb24hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for each of the red, green, blue channels of GBRG8 frame.

Parameters

buf	Buffer of pixels to collect the statistics from.
buf_size	Size of this input buffer.
width	Width of the lines in number of pixels.
rgb24hist	Buffer storing 3 histograms one after the other, for the R, G, B channels.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_gbrg8frame_to_y8hist()

void mpix_gbrg8frame_to_y8hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t	width,
		uint16_t *	y8hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for the Y channel, obtained from the values of an GBRG8 frame.

Parameters

buf	Buffer of pixels in bayer format (1 byte per pixel) to collect the statistics from.
buf_size	Size of this input buffer.
width	Width of the lines in number of pixels.
y8hist	Buffer storing the histogram for the Y (luma) channel.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_grbg8frame_to_rgb24avg()

void mpix_grbg8frame_to_rgb24avg	(	const uint8_t *	buf,
		size_t	size,
		uint16_t	width,
		uint8_t	rgb24avg[3],
		uint16_t	nval
	)

Collect red, green, blue channel averages of all pixels in an GRBG8 frame.

Parameters

buf	Buffer of pixels in bayer format (1 byte per pixel) to collect the statistics from.
size	Size of this input buffer.
width	Width of the lines in number of pixels.
rgb24avg	The channel averages stored as an RGB24 pixel.
nval	The number of values to collect in order to perform the statistics.

mpix_grbg8frame_to_rgb24hist()

void mpix_grbg8frame_to_rgb24hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t	width,
		uint16_t *	rgb24hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for each of the red, green, blue channels of GRBG8 frame.

Parameters

buf	Buffer of pixels to collect the statistics from.
buf_size	Size of this input buffer.
width	Width of the lines in number of pixels.
rgb24hist	Buffer storing 3 histograms one after the other, for the R, G, B channels.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_grbg8frame_to_y8hist()

void mpix_grbg8frame_to_y8hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t	width,
		uint16_t *	y8hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for the Y channel, obtained from the values of an GRBG8 frame.

Parameters

buf	Buffer of pixels in bayer format (1 byte per pixel) to collect the statistics from.
buf_size	Size of this input buffer.
width	Width of the lines in number of pixels.
y8hist	Buffer storing the histogram for the Y (luma) channel.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_rgb24frame_to_rgb24hist()

void mpix_rgb24frame_to_rgb24hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t *	rgb24hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for each of the red, green, blue channels of an RGB24 frame.

Parameters

buf	Buffer of pixels in RGB24 format (3 bytes per pixel) to collect the statistics from.
buf_size	Size of this input buffer.
rgb24hist	Buffer storing 3 histograms one after the other, for the R, G, B channels.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_rgb24frame_to_y8hist()

void mpix_rgb24frame_to_y8hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t *	y8hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for the Y channel, obtained from the pixel values of the image.

Parameters

buf	Buffer of pixels in RGB24 format (3 bytes per pixel) to collect the statistics from.
buf_size	Size of this input buffer.
y8hist	Buffer storing the histogram for the Y (luma) channel.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_rggb8frame_to_rgb24avg()

void mpix_rggb8frame_to_rgb24avg	(	const uint8_t *	buf,
		size_t	size,
		uint16_t	width,
		uint8_t	rgb24avg[3],
		uint16_t	nval
	)

Collect red, green, blue channel averages of all pixels in an RGGB8 frame.

Parameters

buf	Buffer of pixels in bayer format (1 byte per pixel) to collect the statistics from.
size	Size of this input buffer.
width	Width of the lines in number of pixels.
rgb24avg	The channel averages stored as an RGB24 pixel.
nval	The number of values to collect in order to perform the statistics.

mpix_rggb8frame_to_rgb24hist()

void mpix_rggb8frame_to_rgb24hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t	width,
		uint16_t *	rgb24hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for each of the red, green, blue channels of an RGGB8 frame.

Parameters

buf	Buffer of pixels to collect the statistics from.
buf_size	Size of this input buffer.
width	Width of the lines in number of pixels.
rgb24hist	Buffer storing 3 histograms one after the other, for the R, G, B channels.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_rggb8frame_to_y8hist()

void mpix_rggb8frame_to_y8hist	(	const uint8_t *	buf,
		size_t	buf_size,
		uint16_t	width,
		uint16_t *	y8hist,
		size_t	hist_size,
		uint16_t	nval
	)

Collect an histogram for the Y channel, obtained from the values of an RGGB8 frame.

Parameters

buf	Buffer of pixels in bayer format (1 byte per pixel) to collect the statistics from.
buf_size	Size of this input buffer.
width	Width of the lines in number of pixels.
y8hist	Buffer storing the histogram for the Y (luma) channel.
hist_size	Total number of buckets in the histogram, all channels included.
nval	The number of values to collect in order to perform the statistics.

mpix_stats_rgb_avg()

void mpix_stats_rgb_avg	(	const uint8_t *	buf,
		uint16_t	width,
		uint16_t	height,
		uint32_t	fourcc,
		uint8_t	avg[3],
		uint16_t	nval
	)

Collect red, green, blue channel averages of all pixels in an RGB24 frame.

Parameters

buf	Buffer of pixels in RGB24 format (3 bytes per pixel) to collect the statistics from.
size	Size of this input buffer.
rgb24avg	The channel averages stored as an RGB24 pixel.
nval	The number of values to collect in order to perform the statistics.