C# Class Forensics.Luminousity

Show file Open project: Algorithmix/Papyrus

Public Methods

Method	Description
LinearWeighting ( int length ) : double[]	Generates an array of linearly decreasing values of size length
Luma ( Bgra color ) : double	Converts an multichannel pixel into a single one with the Luma Wieghting
RepresentativeLuma ( Bgra colors, double weightings ) : double	Given an array of pixels, a weighted average of the Luma value for that array is returned
RepresentativeLuminousity ( byte>.Image image, int buffer, int signal_size, Direction direction ) : double[]	Given an image, and parameters, this function will scan all the columns or rows for the given direction to determine the representative luminousity along a particular edge
ScanRowFromBottom ( byte>.Image image, int col, int buffer, int signal_size, double weighting ) : double	Scans the row to determine the representative luminousity of the right most edge
ScanRowFromLeft ( byte>.Image image, int row, int buffer, int signal_size, double weighting ) : double	Scans the row to determine the representative luminousity of the left most edge
ScanRowFromRight ( byte>.Image image, int row, int buffer, int signal_size, double weighting ) : double	Scans the row to determine the representative luminousity of the right most edge
ScanRowFromTop ( byte>.Image image, int col, int buffer, int signal_size, double weighting ) : double	Scans the row to determine the representative luminousity of the top most edge

Method Details

LinearWeighting() public static method

Generates an array of linearly decreasing values of size length

public static LinearWeighting ( int length ) : double[]
length	int	Size of the array, also determines the steepness of the linear descent
return	double[]

Luma() public static method

Converts an multichannel pixel into a single one with the Luma Wieghting

public static Luma ( Bgra color ) : double
color	Bgra	Pixel
return	double

RepresentativeLuma() public static method

Given an array of pixels, a weighted average of the Luma value for that array is returned

public static RepresentativeLuma ( Bgra colors, double weightings ) : double
colors	Bgra	Array of pixels to be Luma-ed and averaged
weightings	double	A double array of weightings
return	double

RepresentativeLuminousity() public static method

Given an image, and parameters, this function will scan all the columns or rows for the given direction to determine the representative luminousity along a particular edge

public static RepresentativeLuminousity ( byte>.Image image, int buffer, int signal_size, Direction direction ) : double[]
image	byte>.Image	Image
buffer	int	number of pixels to ignore, because they are assumed to be residual pixels
signal_size	int	number of pixels to be sampled
direction	Direction	Scan Direction
return	double[]

ScanRowFromBottom() public static method

Scans the row to determine the representative luminousity of the right most edge

public static ScanRowFromBottom ( byte>.Image image, int col, int buffer, int signal_size, double weighting ) : double
image	byte>.Image	Image to analyzed
col	int	Number of the row to be scanned
buffer	int	Number off residual pixels to be skipped
signal_size	int	Number of pixels to be sampled to determine the representative Luminousity
weighting	double	Weighting to average samples set with
return	double

ScanRowFromLeft() public static method

Scans the row to determine the representative luminousity of the left most edge

public static ScanRowFromLeft ( byte>.Image image, int row, int buffer, int signal_size, double weighting ) : double
image	byte>.Image	Image to analyzed
row	int	Number of the row to be scanned
buffer	int	Number off residual pixels to be skipped
signal_size	int	Number of pixels to be sampled to determine the representative Luminousity
weighting	double	Weighting to average samples set with
return	double

ScanRowFromRight() public static method

Scans the row to determine the representative luminousity of the right most edge

public static ScanRowFromRight ( byte>.Image image, int row, int buffer, int signal_size, double weighting ) : double
image	byte>.Image	Image to analyzed
row	int	Number of the row to be scanned
buffer	int	Number off residual pixels to be skipped
signal_size	int	Number of pixels to be sampled to determine the representative Luminousity
weighting	double	Weighting to average samples set with
return	double

ScanRowFromTop() public static method

Scans the row to determine the representative luminousity of the top most edge

public static ScanRowFromTop ( byte>.Image image, int col, int buffer, int signal_size, double weighting ) : double
image	byte>.Image	Image to analyzed
col	int	Number of the row to be scanned
buffer	int	Number off residual pixels to be skipped
signal_size	int	Number of pixels to be sampled to determine the representative Luminousity
weighting	double	Weighting to average samples set with
return	double