LineScanCalibrator Struct Reference

Result of the linescan calibration executed by the CalibrationLineScan.CreateLineScanCalibration function. More...

Public Member Functions
	LineScanCalibrator (NonLinearTransformation transformation, double pixelSize, double meanError, double standardDeviation)
	New calibration result More...

Properties
NonLinearTransformation	Transformation [get]
	Transformation object. More...
double	PixelSize [get]
	Pixel size after transformation. More...
double	MeanError [get]
	Mean difference between stripe width in the transformed image and reference (calculated over all stripes).
double	StandardDeviation [get]
	Standard deviation of the mean error.

Detailed Description

Result of the linescan calibration executed by the CalibrationLineScan.CreateLineScanCalibration function.

Constructor & Destructor Documentation

LineScanCalibrator()

LineScanCalibrator	(	NonLinearTransformation	transformation,
		double	pixelSize,
		double	meanError,
		double	standardDeviation
	)

New calibration result

Parameters

transformation	Transformation object.
pixelSize	Pixel size after transformation.
meanError	Mean deviation of all distances between stripes of transformed image from reference stripe width.
standardDeviation	Standard deviation of meanError .

Property Documentation

PixelSize

double PixelSize

get

Pixel size after transformation.

The pixel size has the same units as referenceDistanceCalibrationPoints and referenceWidthStripes given within function CalibrationLineScan.CreateLineScanCalibration.

Transformation

NonLinearTransformation Transformation

get

Transformation object.

The transformation object includes the coefficients of a 3rd order polynomial. Mixed coefficients are zero. Depending on the ScanDirection specified in LineScanCalibrationConfiguration, the estimated polynomial is:

Scan direction in X:

x' = a1 * x^3 + a5 * x^2 + a8 * x + a10
y' = b9 * y

Scan direction in Y:

y' = b4 * y^3 + b7 * y^2 + b9 * y + b10
x' = a8 * x

where

x: pixel position in x (column),

y: pixel position in y (row),

a1-a10: coefficients in x,

b1-b10: coefficients in y,

x' and y': transformed x and y coordinates.