Bial::SignalOp Namespace Reference

Functions
void	Accumulate (Signal &sgn)
	Accumulates input signal. More...
Signal	Accumulate (const Signal &sgn)
	Returns a copy of input signal, accumulated. More...
double	AccumulatedFrequency (const Signal &sgn, size_t min_bin=0)
	Returns the sum of the frequencies from min_bin to the last bin (including the extremities). More...
double	AccumulatedFrequency (const Signal &sgn, size_t min_bin, size_t max_bin)
	Returns the sum of the frequencies from min_bin to max_bin (including the extremities). More...
double	AccumulatedWeightedFrequency (const Signal &sgn, size_t min_bin=0)
	Returns the sum of frequencies weighted by their sampling time from min_bin to the last bin (including the extremities). More...
double	AccumulatedWeightedFrequency (const Signal &sgn, size_t min_bin, size_t max_bin)
	Returns the sum of frequencies weighted by their sampling time from min_bin to max_bin (including the extremities). More...
Signal	RemoveEmptyBins (const Signal &sgn)
	Returns a copy of input signal, without the empty bins. More...
Vector< size_t >	MapBins (const Signal &source, const Signal &target)
	Returns a Vector contaning the indexes of the target bins which corresponds to the bins with the same frequency in source signals. Used to get corresponding bins with a signal which empty bins were removed. More...
void	Equalize (Signal &sgn)
	Equalizes input signal. More...
Signal	Equalize (const Signal &sgn)
	Returns a copy of input signal, equalized. More...
void	SegmentEqualize (Signal &sgn)
	Equalizes input signal by segmented histogram in two parts. More...
Signal	SegmentEqualize (const Signal &sgn)
	Returns a copy of input signal, equalized. More...
double	LowHysteresis (const Signal &sgn, size_t krl_size, float low_threshold, float hgh_threshold)
	Returns data value of the hysteresis in the low data value of the histogram. More...
double	HighHysteresis (const Signal &sgn, size_t krl_size, float low_threshold, float hgh_threshold)
	Returns data value of the hysteresis in the high data value of the histogram. More...
size_t	Peak (const Signal &sgn, size_t min_bin, size_t max_bin)
	Finds the highest peak from bin min_bin to bin max_bin. More...
Vector< size_t >	Peaks (const Signal &sgn, size_t min_bin, size_t max_bin, size_t kernel_size)
	Finds the bins representing the local maxima with respect to their adjacents in kernel range. More...
size_t	FirstRightPeak (const Signal &sgn, size_t start_bin, size_t kernel_size)
	Finds the first peak to the right of start_bin using a kernel of size kernel_size to validade the peak. Peaks that are narrower than kernel_size are ignored. More...
size_t	FirstRightPeak (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size)
	Finds the first peak to the right of start_bin up to end_bin using a kernel of size kernel_size to validade the peak. Peaks that are narrower than kernel_size are ignored. More...
size_t	FirstLeftPeak (const Signal &sgn, size_t start_bin, size_t kernel_size)
	Finds the first peak to the left of start_bin using a kernel of size kernel_size to validade the peak. Peaks that are narrower than kernel_size are ignored. More...
size_t	FirstLeftPeak (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size)
	Finds the first peak to the left of start_bin up to end_bin using a kernel of size kernel_size to validade the peak. Peaks that are narrower than kernel_size are ignored. More...
size_t	Valley (const Signal &sgn, size_t min_bin, size_t max_bin)
	Finds the lowest valley from bin min_bin to bin max_bin. More...
Vector< size_t >	Valleys (const Signal &sgn, size_t min_bin, size_t max_bin, size_t kernel_size)
	Finds the bins representing the local minima with respect to their adjacents in kernel range. More...
size_t	FirstRightValley (const Signal &sgn, size_t start_bin, size_t kernel_size)
	Finds the first valley to the right of start_bin using a kernel of size kernel_size to validade the valley. Valleys that are narrower than kernel_size are ignored. More...
size_t	FirstRightValley (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size)
	Finds the first valley to the right of start_bin up to end_bin using a kernel of size kernel_size to validade the valley. Valleys that are narrower than kernel_size are ignored. More...
size_t	FirstLeftValley (const Signal &sgn, size_t start_bin, size_t kernel_size)
	Finds the first valley to the left of start_bin using a kernel of size kernel_size to validade the valley. Valleys that are narrower than kernel_size are ignored. More...
size_t	FirstLeftValley (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size)
	Finds the first valley to the left of start_bin up to end_bin using a kernel of size kernel_size to validade the valley. Valleys that are narrower than kernel_size are ignored. More...
size_t	FirstRightAcclivity (const Signal &sgn, size_t start_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the first bin that belongs to an acclivity, to the right of start_bin, that is greater than start_bin value * ( 1.0 + signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored. More...
size_t	FirstRightAcclivity (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the first bin that belongs to an acclivity, to the right of start_bin and limited to end_bin, that is greater than start_bin value * ( 1.0 + signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored. More...
size_t	FirstLeftAcclivity (const Signal &sgn, size_t start_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the first bin that belongs to an acclivity, to the left of start_bin, that is greater than start_bin value * ( 1.0 + signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored. More...
size_t	FirstLeftAcclivity (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the first bin that belongs to an acclivity, to the left of start_bin and limited to end_bin, that is greater than start_bin value * ( 1.0 + signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored. More...
size_t	FirstRightDeclivity (const Signal &sgn, size_t start_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the first bin that belongs to an declivity, to the right of start_bin, that is lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored. More...
size_t	FirstRightDeclivity (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the first bin that belongs to an declivity, to the right of start_bin and limited to end_bin, that is lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored. More...
size_t	FirstLeftDeclivity (const Signal &sgn, size_t start_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the first bin that belongs to an declivity, to the left of start_bin, that is lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored. More...
size_t	FirstLeftDeclivity (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the first bin that belongs to an declivity, to the left of start_bin and limited to end_bin, that is lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored. More...
size_t	PlateauRightLimit (const Signal &sgn, size_t start_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the last occurrence, to the right of start_bin, of a bin that is not greater than start_bin value * ( 1.0 + signal_delta_proportion ) and that is not lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that are out of plateau signal range but are narrower than kernel_size are ignored. More...
size_t	PlateauRightLimit (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the last occurrence, to the right of start_bin up to end_bin, of a bin that is not greater than start_bin value * ( 1.0 + signal_delta_proportion ) and that is not lower than start_bin value ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that are out of plateau signal range but are narrower than kernel_size are ignored. More...
size_t	PlateauLeftLimit (const Signal &sgn, size_t start_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the last occurrence, to the left of start_bin, of a bin that is not greater than start_bin value * ( 1.0 + signal_delta_proportion ) and that is not lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that are out of plateau signal range but are narrower than kernel_size are ignored. More...
size_t	PlateauLeftLimit (const Signal &sgn, size_t start_bin, size_t end_bin, size_t kernel_size, float signal_delta_proportion)
	Detects the last occurrence, to the left of start_bin up to end_bin, of a bin that is not greater than start_bin value * ( 1.0 + signal_delta_proportion ) and that is not lower than start_bin value ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that are out of plateau signal range but are narrower than kernel_size are ignored. More...
void	MedianFilter (Signal &sgn, size_t kernel_size)
	Filters input signal by a median kernel of size kernel_size. More...
Signal	MedianFilter (const Signal &sgn, size_t kernel_size)
	Returns a copy of input signal filtered by median kernel of size kernel_size. More...
void	Normalize (Signal &sgn)
	Normalizes input signal. More...
Signal	Normalize (const Signal &sgn)
	Returns a copy of input signal, normalized. More...
size_t	OtsuThreshold (const Signal &sgn)
	Computes otsu threshold of input signal. More...

Function Documentation

void Bial::SignalOp::Accumulate

(

Signal &

sgn

)

Accumulates input signal.

Date

2013/Oct/07

Parameters

sgn	Input signal.

Returns

none.

Warning

none.

Signal Bial::SignalOp::Accumulate

(

const Signal &

sgn

)

Returns a copy of input signal, accumulated.

Date

2013/Oct/07

Parameters

sgn	Input signal.

Returns

Accumulated signal.

Warning

none.

double Bial::SignalOp::AccumulatedFrequency	(	const Signal &	sgn,
		size_t	min_bin = 0
	)

Returns the sum of the frequencies from min_bin to the last bin (including the extremities).

Date

2012/Sep/13

Parameters

sgn	Input signal.
min_bin	left most bin.

Returns

The sum of the frequencies from min_bin to the last bin (including the extremities).

Warning

none.

double Bial::SignalOp::AccumulatedFrequency	(	const Signal &	sgn,
		size_t	min_bin,
		size_t	max_bin
	)

Returns the sum of the frequencies from min_bin to max_bin (including the extremities).

Date

2012/Sep/13

Parameters

sgn	Input signal.
min_bin	left most bin.
max_bin	right most bin.

Returns

The sum of the frequencies from min_bin to max_bin (including the extremities).

Warning

none.

double Bial::SignalOp::AccumulatedWeightedFrequency	(	const Signal &	sgn,
		size_t	min_bin = 0
	)

Returns the sum of frequencies weighted by their sampling time from min_bin to the last bin (including the extremities).

Date

2012/Sep/13

Parameters

sgn	Input signal.
min_bin	left most bin.

Returns

The sum of the frequencies weighted by their sampling time from min_bin to the last bin (including the extremities).

Warning

none.

double Bial::SignalOp::AccumulatedWeightedFrequency	(	const Signal &	sgn,
		size_t	min_bin,
		size_t	max_bin
	)

Returns the sum of frequencies weighted by their sampling time from min_bin to max_bin (including the extremities).

Date

2012/Sep/13

Parameters

sgn	Input signal.
min_bin	left most bin.
max_bin	right most bin.

Returns

The sum of the frequencies weighted by their sampling time from min_bin to max_bin (including the extremities).

Warning

none.

void Bial::SignalOp::Equalize

(

Signal &

sgn

)

Equalizes input signal.

Date

2013/Oct/07

Parameters

sgn	Input signal.

Returns

none.

Warning

none.

Signal Bial::SignalOp::Equalize

(

const Signal &

sgn

)

Returns a copy of input signal, equalized.

Date

2013/Oct/07

Parameters

sgn	Input signal.

Returns

Equalized signal.

Warning

none.

size_t Bial::SignalOp::FirstLeftAcclivity	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the first bin that belongs to an acclivity, to the left of start_bin, that is greater than start_bin value * ( 1.0 + signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
start_bin	A bin tha lies before the acclivity.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted.

Returns

The index of the first bin that belongs to the acclivity to the left of start_bin.

Warning

none.

size_t Bial::SignalOp::FirstLeftAcclivity	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the first bin that belongs to an acclivity, to the left of start_bin and limited to end_bin, that is greater than start_bin value * ( 1.0 + signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
start_bin	A bin tha lies before the acclivity.
end_bin	Limit for the search.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted.

Returns

The index of the first bin that belongs to the acclivity to the left of start_bin and limited to end_bin.

Warning

none.

size_t Bial::SignalOp::FirstLeftDeclivity	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the first bin that belongs to an declivity, to the left of start_bin, that is lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
start_bin	A bin tha lies before the declivity.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted.

Returns

The index of the first bin that belongs to the declivity to the left of start_bin.

Warning

none.

size_t Bial::SignalOp::FirstLeftDeclivity	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the first bin that belongs to an declivity, to the left of start_bin and limited to end_bin, that is lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
start_bin	A bin tha lies before the declivity.
end_bin	Limit for the search.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted.

Returns

The index of the first bin that belongs to the declivity to the left of start_bin and limited to end_bin.

Warning

none.

size_t Bial::SignalOp::FirstLeftPeak	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size
	)

Finds the first peak to the left of start_bin using a kernel of size kernel_size to validade the peak. Peaks that are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	Bin of reference.
kernel_size	Size of used kernel.

Returns

The bin of the first peak to the left from start_bin at last as wide as kernel_size.

Warning

none.

size_t Bial::SignalOp::FirstLeftPeak	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size
	)

Finds the first peak to the left of start_bin up to end_bin using a kernel of size kernel_size to validade the peak. Peaks that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	Bin of reference.
end_bin	Limit for the search.
kernel_size	Size of used kernel.

Returns

The bin of the first peak to the left from start_bin to end_bin at last as wide as kernel_size.

Warning

none.

size_t Bial::SignalOp::FirstLeftValley	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size
	)

Finds the first valley to the left of start_bin using a kernel of size kernel_size to validade the valley. Valleys that are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	Bin of reference.
kernel_size	Size of used kernel.

Returns

The bin of the first valley to the left from start_bin at last as wide as kernel_size.

Warning

none.

size_t Bial::SignalOp::FirstLeftValley	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size
	)

Finds the first valley to the left of start_bin up to end_bin using a kernel of size kernel_size to validade the valley. Valleys that are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	Bin of reference.
end_bin	Limit for the search.
kernel_size	Size of used kernel.

Returns

The bin of the first valley to the left from start_bin to end_bin at last as wide as kernel_size.

Warning

none.

size_t Bial::SignalOp::FirstRightAcclivity	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the first bin that belongs to an acclivity, to the right of start_bin, that is greater than start_bin value * ( 1.0 + signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
start_bin	A bin tha lies before the acclivity.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted.

Returns

The index of the first bin that belongs to the acclivity to the right of start_bin.

Warning

none.

size_t Bial::SignalOp::FirstRightAcclivity	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the first bin that belongs to an acclivity, to the right of start_bin and limited to end_bin, that is greater than start_bin value * ( 1.0 + signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
start_bin	A bin tha lies before the acclivity.
end_bin	Limit for the search.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted.

Returns

The index of the first bin that belongs to the acclivity to the right of start_bin and limited to end_bin.

Warning

none.

size_t Bial::SignalOp::FirstRightDeclivity	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the first bin that belongs to an declivity, to the right of start_bin, that is lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
start_bin	A bin tha lies before the declivity.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted.

Returns

The index of the first bin that belongs to the declivity to the right of start_bin.

Warning

none.

size_t Bial::SignalOp::FirstRightDeclivity	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the first bin that belongs to an declivity, to the right of start_bin and limited to end_bin, that is lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
start_bin	A bin tha lies before the declivity.
end_bin	Limit for the search.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted.

Returns

The index of the first bin that belongs to the declivity to the right of start_bin and limited to end_bin.

Warning

none.

size_t Bial::SignalOp::FirstRightPeak	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size
	)

Finds the first peak to the right of start_bin using a kernel of size kernel_size to validade the peak. Peaks that are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	Bin of reference.
kernel_size	Size of used kernel.

Returns

The bin of the first peak to the right from start_bin at last as wide as kernel_size.

Warning

none.

size_t Bial::SignalOp::FirstRightPeak	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size
	)

Finds the first peak to the right of start_bin up to end_bin using a kernel of size kernel_size to validade the peak. Peaks that are narrower than kernel_size are ignored.

Date

2012/Sep/14

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	Bin of reference.
end_bin	Limit for the search.
kernel_size	Size of used kernel.

Returns

The bin of the first peak to the right from start_bin to end_bin at last as wide as kernel_size.

Warning

none.

size_t Bial::SignalOp::FirstRightValley	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size
	)

Finds the first valley to the right of start_bin using a kernel of size kernel_size to validade the valley. Valleys that are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	Bin of reference.
kernel_size	Size of used kernel.

Returns

The bin of the first valley to the right from start_bin at last as wide as kernel_size.

Warning

none.

size_t Bial::SignalOp::FirstRightValley	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size
	)

Finds the first valley to the right of start_bin up to end_bin using a kernel of size kernel_size to validade the valley. Valleys that are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	Bin of reference.
end_bin	Limit for the search.
kernel_size	Size of used kernel.

Returns

The bin of the first valley to the right from start_bin to end_bin at last as wide as kernel_size.

Warning

none.

double Bial::SignalOp::HighHysteresis	(	const Signal &	sgn,
		size_t	krl_size,
		float	low_threshold,
		float	hgh_threshold
	)

Returns data value of the hysteresis in the high data value of the histogram.

Date

2014/Jan/07

Parameters

sgn	Input signal.
krl_size	Size of the kernel to locate hysteresis.
low_threshold	Low frequency threshold.
hgh_threshold	High frequency threshold.

Returns

Data value of the hysteresis in the high data value of the histogram.

Warning

none.

double Bial::SignalOp::LowHysteresis	(	const Signal &	sgn,
		size_t	krl_size,
		float	low_threshold,
		float	hgh_threshold
	)

Returns data value of the hysteresis in the low data value of the histogram.

Date

2014/Jan/07

Parameters

sgn	Input signal.
krl_size	Size of the kernel to locate hysteresis.
low_threshold	Low frequency threshold.
hgh_threshold	High frequency threshold.

Returns

Data value of the hysteresis in the low data value of the histogram.

Warning

none.

Vector< size_t > Bial::SignalOp::MapBins	(	const Signal &	source,
		const Signal &	target
	)

Returns a Vector contaning the indexes of the target bins which corresponds to the bins with the same frequency in source signals. Used to get corresponding bins with a signal which empty bins were removed.

Date

2012/Sep/12

Parameters

source	The source signal to be mapped. Signal without empty bins.
target	The target signal with empty bins. Indexes from source corresponding to target are returned.

Returns

A Vector contaning the indexes of the target bins which corresponds to the bins with the same frequency in source signals.

Warning

none.

void Bial::SignalOp::MedianFilter	(	Signal &	sgn,
		size_t	kernel_size
	)

Filters input signal by a median kernel of size kernel_size.

Date

2012/Sep/11

Parameters

sgn	Input signal.
kernel_size	Size of the kernel for filtering.

Returns

none.

Warning

none.

Signal Bial::SignalOp::MedianFilter	(	const Signal &	sgn,
		size_t	kernel_size
	)

Returns a copy of input signal filtered by median kernel of size kernel_size.

Date

2012/Sep/11

Parameters

sgn	Input signal.
kernel_size	Size of the kernel for filtering.

Returns

Signal filtered by median kernel of size kernel_size.

Warning

none.

void Bial::SignalOp::Normalize

(

Signal &

sgn

)

Normalizes input signal.

Date

2013/Oct/07

Parameters

sgn	Input signal.

Returns

none.

Warning

none.

Signal Bial::SignalOp::Normalize

(

const Signal &

sgn

)

Returns a copy of input signal, normalized.

Date

2013/Oct/07

Parameters

sgn	Input signal.

Returns

Normalized signal.

Warning

none.

size_t Bial::SignalOp::OtsuThreshold

(

const Signal &

sgn

)

Computes otsu threshold of input signal.

Date

2012/Sep/13

Parameters

sgn	Input signal.

Returns

Bin corresponding to Otsu threshold.

Warning

none.

size_t Bial::SignalOp::Peak	(	const Signal &	sgn,
		size_t	min_bin,
		size_t	max_bin
	)

Finds the highest peak from bin min_bin to bin max_bin.

Date

2012/Sep/11

Parameters

sgn	Input signal.
min_bin	minimum bin range.
max_bin	maximum bin range.

Returns

The bin of the highest peak.

Warning

none.

Vector< size_t > Bial::SignalOp::Peaks	(	const Signal &	sgn,
		size_t	min_bin,
		size_t	max_bin,
		size_t	kernel_size
	)

Finds the bins representing the local maxima with respect to their adjacents in kernel range.

Date

2014/Jan/23

Parameters

sgn	Input signal.
min_bin	minimum bin range.
max_bin	maximum bin range.
kernel_size	Size of used kernel.

Returns

A vector with the local peaks.

Warning

none.

size_t Bial::SignalOp::PlateauLeftLimit	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the last occurrence, to the left of start_bin, of a bin that is not greater than start_bin value * ( 1.0 + signal_delta_proportion ) and that is not lower than start_bin value * ( 1.0 - signal_delta_proportion ).
Sets of consecutive bins that are out of plateau signal range but are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	A bin that belongs to the plateau.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted for a bin to belong to the plateau.

Returns

The index of the last bin to the left of the start_bin that belongs to the plateau.

Warning

none.

size_t Bial::SignalOp::PlateauLeftLimit	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the last occurrence, to the left of start_bin up to end_bin, of a bin that is not greater than start_bin value * ( 1.0 + signal_delta_proportion ) and that is not lower than start_bin value ( 1.0 - signal_delta_proportion ).
Sets of consecutive bins that are out of plateau signal range but are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	A bin that belongs to the plateau.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted for a bin to belong to the plateau.
end_bin	Limit for the search.

Returns

The index of the last bin to the left of the start_bin up to end_bin that belongs to the plateau.

Warning

none.

size_t Bial::SignalOp::PlateauRightLimit	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the last occurrence, to the right of start_bin, of a bin that is not greater than start_bin value * ( 1.0 + signal_delta_proportion ) and that is not lower than start_bin value * ( 1.0 - signal_delta_proportion ). Sets of consecutive bins that are out of plateau signal range but are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	A bin that belongs to the plateau.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted for a bin to belong to the plateau.

Returns

The index of the last bin to the right of the start_bin that belongs to the plateau.

Warning

none.

size_t Bial::SignalOp::PlateauRightLimit	(	const Signal &	sgn,
		size_t	start_bin,
		size_t	end_bin,
		size_t	kernel_size,
		float	signal_delta_proportion
	)

Detects the last occurrence, to the right of start_bin up to end_bin, of a bin that is not greater than start_bin value * ( 1.0 + signal_delta_proportion ) and that is not lower than start_bin value ( 1.0 - signal_delta_proportion ).
Sets of consecutive bins that are out of plateau signal range but are narrower than kernel_size are ignored.

Date

2012/Sep/11

Parameters

sgn	Input signal.
signal	Input signal.
start_bin	A bin that belongs to the plateau.
kernel_size	Size of used kernel.
signal_delta_proportion	maximum signal proportion difference accepted for a bin to belong to the plateau.
end_bin	Limit for the search.

Returns

The index of the last bin to the right of the start_bin up to end_bin that belongs to the plateau.

Warning

none.

Signal Bial::SignalOp::RemoveEmptyBins

(

const Signal &

sgn

)

Returns a copy of input signal, without the empty bins.

Date

2012/Sep/11

Parameters

sgn	Input signal.

Returns

Copy of input signal, without the empty bins.

Warning

none.

void Bial::SignalOp::SegmentEqualize

(

Signal &

sgn

)

Equalizes input signal by segmented histogram in two parts.

Date

2013/Oct/07

Parameters

sgn	Input signal.

Returns

none.

Warning

NOT IMPLEMENTED YET.

Signal Bial::SignalOp::SegmentEqualize

(

const Signal &

sgn

)

Returns a copy of input signal, equalized.

Date

2013/Oct/07

Parameters

sgn	Input signal.

Returns

Equalized signal by segmented histogram in two parts.

Warning

NOT IMPLEMENTED YET.

size_t Bial::SignalOp::Valley	(	const Signal &	sgn,
		size_t	min_bin,
		size_t	max_bin
	)

Finds the lowest valley from bin min_bin to bin max_bin.

Date

2012/Sep/11

Parameters

sgn	Input signal.
min_bin	minimum bin range.
max_bin	maximum bin range.

Returns

The bin of the lowest valley.

Warning

none.

Vector< size_t > Bial::SignalOp::Valleys	(	const Signal &	sgn,
		size_t	min_bin,
		size_t	max_bin,
		size_t	kernel_size
	)

Finds the bins representing the local minima with respect to their adjacents in kernel range.

Date

2014/Jan/23

Parameters

sgn	Input signal.
min_bin	minimum bin range.
max_bin	maximum bin range.
kernel_size	Size of used kernel.

Returns

A vector with the local valleys.

Warning

none.