eVision.EFeature Class Reference

The various features that can be measured on the coded elements of a selection. More...

Inheritance diagram for eVision.EFeature:

Collaboration diagram for eVision.EFeature:

Static Public Attributes
int	ElementIndex = 0
	Index of the coded element (cf.
int	LayerIndex = 1
	Index of the layer of the coded element (cf.
int	RunCount = 2
	Number of runs (cf.
int	Area = 3
	Number of pixels (cf.
int	LargestRun = 4
	Length of the largest run (cf.
int	ContourX = 5
	Starting point abscissa of the contour of the coded element (cf.
int	ContourY = 6
	Starting point ordinate of the contour of the coded element (cf.
int	LeftLimit = 7
	Abscissa of the leftmost pixel (cf.
int	RightLimit = 8
	Abscissa of the rightmost pixel (cf.
int	TopLimit = 9
	Abscissa of the topmost pixel (cf.
int	BottomLimit = 10
	Ordinate of the bottommost pixel (cf.
int	GravityCenterX = 11
	Abscissa of the gravity center (cf.
int	GravityCenterY = 12
	Ordinate of the gravity center (cf.
int	BoundingBoxCenterX = 13
	Abscissa of the center of the bounding box (cf.
int	BoundingBoxCenterY = 14
	Ordinate of the center of the bounding box (cf.
int	BoundingBoxWidth = 15
	Width of the bounding box (Feret diameter 0 degrees - cf.
int	BoundingBoxHeight = 16
	Height of the bounding box (Feret diameter 90 degrees - cf.
int	FeretBox22CenterX = 17
	Abscissa of the center of the Feret box oriented at 22.5 degrees (cf.
int	FeretBox22CenterY = 18
	Ordinate of the center of the Feret box oriented at 22.5 degrees (cf.
int	FeretBox22Width = 19
	Width of the Feret box oriented at 22.5 degrees (Feret diameter at 22.5 degrees - cf.
int	FeretBox22Height = 20
	Height of the Feret box oriented at 22.5 degrees (Feret diameter at 112.5 degrees - cf.
int	FeretBox45CenterX = 21
	Abscissa of the center of the Feret box oriented at 45 degrees (cf.
int	FeretBox45CenterY = 22
	Ordinate of the center of the Feret box oriented at 45 degrees (cf.
int	FeretBox45Width = 23
	Width of the Feret box oriented at 45 degrees bounding box (Feret diameter at 45 degrees - cf.
int	FeretBox45Height = 24
	Height of the Feret box oriented at 45 degrees (Feret diameter at 135 degrees - cf.
int	FeretBox68CenterX = 25
	Abscissa of the center of the Feret box oriented at 67.5 degrees (cf.
int	FeretBox68CenterY = 26
	Ordinate of the center of the Feret box oriented at 67.5 degrees (cf.
int	FeretBox68Width = 27
	Width of the Feret box oriented at 67.5 degrees (Feret diameter at 67.5 degrees - cf.
int	FeretBox68Height = 28
	Height of the Feret box oriented at 67.5 degrees (Feret diameter at 157.5 degrees - cf.
int	MinimumEnclosingRectangleCenterX = 29
	Abscissa of the Minimum Enclosing Rectangle center (cf.
int	MinimumEnclosingRectangleCenterY = 30
	Ordinate of the Minimum Enclosing Rectangle center (cf.
int	MinimumEnclosingRectangleWidth = 31
	Width of the Minimum Enclosing Rectangle (cf.
int	MinimumEnclosingRectangleHeight = 32
	Height of the Minimum Enclosing Rectangle (cf.
int	MinimumEnclosingRectangleAngle = 33
	Direction of the Minimum Enclosing Rectangle (cf.
int	SigmaX = 34
	Centered moment of inertia around X (average squared X-deviation - cf.
int	SigmaY = 35
	Centered moment of inertia around Y (average squared Y-deviation - cf.
int	SigmaXX = 36
	Reduced, centered moment of inertia (around the principal inertia axis - cf.
int	SigmaXY = 37
	Centered cross moment of inertia (average X-deviation * Y-deviation - cf.
int	SigmaYY = 38
	Reduced, centered moment of inertia (around the secondary inertia axis - cf.
int	EllipseWidth = 39
	Long axis of the ellipse of inertia (cf.
int	EllipseHeight = 40
	Short axis of the ellipse of inertia (cf.
int	EllipseAngle = 41
	Angle of the principal axis of the ellipse of inertia (cf.
int	Eccentricity = 42
	Eccentricity of the ellipse of inertia (cf.
int	FeretBoxCenterX = 43
	Abscissa of the center of the Feret box oriented at a fixed angle (cf.
int	FeretBoxCenterY = 44
	Ordinate of the center of the Feret box oriented at a fixed angle (cf.
int	FeretBoxWidth = 45
	Width of the Feret box oriented at a fixed angle (cf.
int	FeretBoxHeight = 46
	Height of the Feret box oriented at a fixed angle (cf.
int	PixelMin = 47
	Minimum gray level of the pixels of the attached image over the coded element (cf.
int	PixelMax = 48
	Maximum gray level of the pixels of the attached image over the coded element (cf.
int	WeightedGravityCenterX = 49
	Abscissa of the gravity center of the pixels of the attached image over the coded element (cf.
int	WeightedGravityCenterY = 50
	Ordinate of the gravity center of the pixels of the attached image over the coded element (cf.
int	PixelGrayAverage = 51
	Average gray-level value of the attached image over the coded element (cf.
int	PixelGrayVariance = 52
	Variance of the gray-level value of the attached image over the coded element (cf.
int	PixelGrayDeviation = 53
	Standard deviation of the gray-level value of the attached image over the coded element (cf.

Detailed Description

The various features that can be measured on the coded elements of a selection.

Member Data Documentation

Area

int eVision.EFeature.Area = 3

static

Number of pixels (cf.

eVision.ECodedElement.Area).

Remarks:

The area is computed at the pixel level (and not with respect to the input frame of reference).

BottomLimit

int eVision.EFeature.BottomLimit = 10

static

Ordinate of the bottommost pixel (cf.

eVision.ECodedElement.BottomLimit).

Remarks:

The BottomLimit is computed at the pixel level (and not with respect to the input frame of reference).

BoundingBoxCenterX

int eVision.EFeature.BoundingBoxCenterX = 13

static

Abscissa of the center of the bounding box (cf.

eVision.ECodedElement.BoundingBoxCenterX).

Remarks:

The bounding box is computed with respect to the input frame of reference.

BoundingBoxCenterY

int eVision.EFeature.BoundingBoxCenterY = 14

static

Ordinate of the center of the bounding box (cf.

eVision.ECodedElement.BoundingBoxCenterY).

Remarks:

The bounding box is computed with respect to the input frame of reference.

BoundingBoxHeight

int eVision.EFeature.BoundingBoxHeight = 16

static

Height of the bounding box (Feret diameter 90 degrees - cf.

eVision.ECodedElement.BoundingBoxHeight).

Remarks:

The bounding box is computed with respect to the input frame of reference.

BoundingBoxWidth

int eVision.EFeature.BoundingBoxWidth = 15

static

Width of the bounding box (Feret diameter 0 degrees - cf.

eVision.ECodedElement.BoundingBoxWidth).

Remarks:

The bounding box is computed with respect to the input frame of reference.

ContourX

int eVision.EFeature.ContourX = 5

static

Starting point abscissa of the contour of the coded element (cf.

eVision.ECodedElement.ContourX).

Remarks:

The ContourX is computed at the pixel level (and not with respect to the input frame of reference).

ContourY

int eVision.EFeature.ContourY = 6

static

Starting point ordinate of the contour of the coded element (cf.

eVision.ECodedElement.ContourY).

Remarks:

The ContourY is computed at the pixel level (and not with respect to the input frame of reference).

Eccentricity

int eVision.EFeature.Eccentricity = 42

static

Eccentricity of the ellipse of inertia (cf.

eVision.ECodedElement.Eccentricity).

Remarks:

The ellipse of intertia is computed with respect to the input frame of reference.

ElementIndex

int eVision.EFeature.ElementIndex = 0

static

Index of the coded element (cf.

eVision.ECodedElement.ElementIndex).

EllipseAngle

int eVision.EFeature.EllipseAngle = 41

static

Angle of the principal axis of the ellipse of inertia (cf.

eVision.ECodedElement.EllipseAngle).

Remarks:

The ellipse of intertia is computed with respect to the input frame of reference.

EllipseHeight

int eVision.EFeature.EllipseHeight = 40

static

Short axis of the ellipse of inertia (cf.

eVision.ECodedElement.EllipseHeight).

Remarks:

The ellipse of intertia is computed with respect to the input frame of reference.

EllipseWidth

int eVision.EFeature.EllipseWidth = 39

static

Long axis of the ellipse of inertia (cf.

eVision.ECodedElement.EllipseWidth).

Remarks:

The ellipse of intertia is computed with respect to the input frame of reference.

FeretBox22CenterX

int eVision.EFeature.FeretBox22CenterX = 17

static

Abscissa of the center of the Feret box oriented at 22.5 degrees (cf.

eVision.ECodedElement.FeretBox22CenterX).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox22CenterY

int eVision.EFeature.FeretBox22CenterY = 18

static

Ordinate of the center of the Feret box oriented at 22.5 degrees (cf.

eVision.ECodedElement.FeretBox22CenterY).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox22Height

int eVision.EFeature.FeretBox22Height = 20

static

Height of the Feret box oriented at 22.5 degrees (Feret diameter at 112.5 degrees - cf.

eVision.ECodedElement.FeretBox22Height).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox22Width

int eVision.EFeature.FeretBox22Width = 19

static

Width of the Feret box oriented at 22.5 degrees (Feret diameter at 22.5 degrees - cf.

eVision.ECodedElement.FeretBox22Width).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox45CenterX

int eVision.EFeature.FeretBox45CenterX = 21

static

Abscissa of the center of the Feret box oriented at 45 degrees (cf.

eVision.ECodedElement.FeretBox45CenterX).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox45CenterY

int eVision.EFeature.FeretBox45CenterY = 22

static

Ordinate of the center of the Feret box oriented at 45 degrees (cf.

eVision.ECodedElement.FeretBox45CenterY).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox45Height

int eVision.EFeature.FeretBox45Height = 24

static

Height of the Feret box oriented at 45 degrees (Feret diameter at 135 degrees - cf.

eVision.ECodedElement.FeretBox45Height).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox45Width

int eVision.EFeature.FeretBox45Width = 23

static

Width of the Feret box oriented at 45 degrees bounding box (Feret diameter at 45 degrees - cf.

eVision.ECodedElement.FeretBox45Width).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox68CenterX

int eVision.EFeature.FeretBox68CenterX = 25

static

Abscissa of the center of the Feret box oriented at 67.5 degrees (cf.

eVision.ECodedElement.FeretBox68CenterX).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox68CenterY

int eVision.EFeature.FeretBox68CenterY = 26

static

Ordinate of the center of the Feret box oriented at 67.5 degrees (cf.

eVision.ECodedElement.FeretBox68CenterY).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox68Height

int eVision.EFeature.FeretBox68Height = 28

static

Height of the Feret box oriented at 67.5 degrees (Feret diameter at 157.5 degrees - cf.

eVision.ECodedElement.FeretBox68Height).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBox68Width

int eVision.EFeature.FeretBox68Width = 27

static

Width of the Feret box oriented at 67.5 degrees (Feret diameter at 67.5 degrees - cf.

eVision.ECodedElement.FeretBox68Width).

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBoxCenterX

int eVision.EFeature.FeretBoxCenterX = 43

static

Abscissa of the center of the Feret box oriented at a fixed angle (cf.

eVision.ECodedElement.ComputeFeretBox). The angle of interest is set through eVision.EObjectSelection.FeretAngle.

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBoxCenterY

int eVision.EFeature.FeretBoxCenterY = 44

static

Ordinate of the center of the Feret box oriented at a fixed angle (cf.

eVision.ECodedElement.ComputeFeretBox). The angle of interest is set through eVision.EObjectSelection.FeretAngle.

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBoxHeight

int eVision.EFeature.FeretBoxHeight = 46

static

Height of the Feret box oriented at a fixed angle (cf.

eVision.ECodedElement.ComputeFeretBox). The angle of interest is set through eVision.EObjectSelection.FeretAngle.

Remarks:

The Feret box is computed with respect to the input frame of reference.

FeretBoxWidth

int eVision.EFeature.FeretBoxWidth = 45

static

Width of the Feret box oriented at a fixed angle (cf.

eVision.ECodedElement.ComputeFeretBox). The angle of interest is set through eVision.EObjectSelection.FeretAngle.

Remarks:

The Feret box is computed with respect to the input frame of reference.

GravityCenterX

int eVision.EFeature.GravityCenterX = 11

static

Abscissa of the gravity center (cf.

eVision.ECodedElement.GravityCenterX).

Remarks:

The gravity center is computed with respect to the input frame of reference.

GravityCenterY

int eVision.EFeature.GravityCenterY = 12

static

Ordinate of the gravity center (cf.

eVision.ECodedElement.GravityCenterY).

Remarks:

The gravity center is computed with respect to the input frame of reference.

LargestRun

int eVision.EFeature.LargestRun = 4

static

Length of the largest run (cf.

eVision.ECodedElement.LargestRun).

Remarks:

The largest run is computed at the pixel level (and not with respect to the input frame of reference).

LayerIndex

int eVision.EFeature.LayerIndex = 1

static

Index of the layer of the coded element (cf.

eVision.ECodedElement.LayerIndex).

LeftLimit

int eVision.EFeature.LeftLimit = 7

static

Abscissa of the leftmost pixel (cf.

eVision.ECodedElement.LeftLimit).

Remarks:

The LeftLimit is computed at the pixel level (and not with respect to the input frame of reference).

MinimumEnclosingRectangleAngle

int eVision.EFeature.MinimumEnclosingRectangleAngle = 33

static

Direction of the Minimum Enclosing Rectangle (cf.

eVision.ECodedElement.MinimumEnclosingRectangleAngle).

Remarks:

The minimum enclosing rectangle is computed with respect to the input frame of reference.

MinimumEnclosingRectangleCenterX

int eVision.EFeature.MinimumEnclosingRectangleCenterX = 29

static

Abscissa of the Minimum Enclosing Rectangle center (cf.

eVision.ECodedElement.MinimumEnclosingRectangleCenterX).

Remarks:

The minimum enclosing rectangle is computed with respect to the input frame of reference.

MinimumEnclosingRectangleCenterY

int eVision.EFeature.MinimumEnclosingRectangleCenterY = 30

static

Ordinate of the Minimum Enclosing Rectangle center (cf.

eVision.ECodedElement.MinimumEnclosingRectangleCenterY).

Remarks:

The minimum enclosing rectangle is computed with respect to the input frame of reference.

MinimumEnclosingRectangleHeight

int eVision.EFeature.MinimumEnclosingRectangleHeight = 32

static

Height of the Minimum Enclosing Rectangle (cf.

eVision.ECodedElement.MinimumEnclosingRectangleHeight).

Remarks:

The minimum enclosing rectangle is computed with respect to the input frame of reference.

MinimumEnclosingRectangleWidth

int eVision.EFeature.MinimumEnclosingRectangleWidth = 31

static

Width of the Minimum Enclosing Rectangle (cf.

eVision.ECodedElement.MinimumEnclosingRectangleWidth).

Remarks:

The minimum enclosing rectangle is computed with respect to the input frame of reference.

PixelGrayAverage

int eVision.EFeature.PixelGrayAverage = 51

static

Average gray-level value of the attached image over the coded element (cf.

eVision.ECodedElement.ComputePixelGrayAverage). The attached image is set through eVision.EObjectSelection.AttachedImage.

PixelGrayDeviation

int eVision.EFeature.PixelGrayDeviation = 53

static

Standard deviation of the gray-level value of the attached image over the coded element (cf.

eVision.ECodedElement.ComputePixelGrayDeviation). The attached image is set through eVision.EObjectSelection.AttachedImage.

PixelGrayVariance

int eVision.EFeature.PixelGrayVariance = 52

static

Variance of the gray-level value of the attached image over the coded element (cf.

eVision.ECodedElement.ComputePixelGrayVariance). The attached image is set through eVision.EObjectSelection.AttachedImage.

PixelMax

int eVision.EFeature.PixelMax = 48

static

Maximum gray level of the pixels of the attached image over the coded element (cf.

eVision.ECodedElement.ComputePixelMax). The attached image is set through eVision.EObjectSelection.AttachedImage.

PixelMin

int eVision.EFeature.PixelMin = 47

static

Minimum gray level of the pixels of the attached image over the coded element (cf.

eVision.ECodedElement.ComputePixelMin). The attached image is set through eVision.EObjectSelection.AttachedImage.

RightLimit

int eVision.EFeature.RightLimit = 8

static

Abscissa of the rightmost pixel (cf.

eVision.ECodedElement.RightLimit).

Remarks:

The RightLimit is computed at the pixel level (and not with respect to the input frame of reference).

RunCount

int eVision.EFeature.RunCount = 2

static

Number of runs (cf.

eVision.ECodedElement.RunCount).

Remarks:

The run count is computed at the pixel level (and not with respect to the input frame of reference).

SigmaX

int eVision.EFeature.SigmaX = 34

static

Centered moment of inertia around X (average squared X-deviation - cf.

eVision.ECodedElement.SigmaX).

Remarks:

The moments of intertia are computed with respect to the input frame of reference.

SigmaXX

int eVision.EFeature.SigmaXX = 36

static

Reduced, centered moment of inertia (around the principal inertia axis - cf.

eVision.ECodedElement.SigmaXX).

Remarks:

The moments of intertia are computed with respect to the input frame of reference.

SigmaXY

int eVision.EFeature.SigmaXY = 37

static

Centered cross moment of inertia (average X-deviation * Y-deviation - cf.

eVision.ECodedElement.SigmaXY).

Remarks:

The moments of intertia are computed with respect to the input frame of reference.

SigmaY

int eVision.EFeature.SigmaY = 35

static

Centered moment of inertia around Y (average squared Y-deviation - cf.

eVision.ECodedElement.SigmaY).

Remarks:

The moments of intertia are computed with respect to the input frame of reference.

SigmaYY

int eVision.EFeature.SigmaYY = 38

static

Reduced, centered moment of inertia (around the secondary inertia axis - cf.

eVision.ECodedElement.SigmaYY).

Remarks:

The moments of intertia are computed with respect to the input frame of reference.

TopLimit

int eVision.EFeature.TopLimit = 9

static

Abscissa of the topmost pixel (cf.

eVision.ECodedElement.TopLimit).

Remarks:

The TopLimit is computed at the pixel level (and not with respect to the input frame of reference).

WeightedGravityCenterX

int eVision.EFeature.WeightedGravityCenterX = 49

static

Abscissa of the gravity center of the pixels of the attached image over the coded element (cf.

eVision.ECodedElement.ComputeWeightedGravityCenter). The attached image is set through eVision.EObjectSelection.AttachedImage.

Remarks:

The weighted gravity center is computed with respect to the input frame of reference.

WeightedGravityCenterY

int eVision.EFeature.WeightedGravityCenterY = 50

static

Ordinate of the gravity center of the pixels of the attached image over the coded element (cf.

eVision.ECodedElement.ComputeWeightedGravityCenter). The attached image is set through eVision.EObjectSelection.AttachedImage.

Remarks:

The weighted gravity center is computed with respect to the input frame of reference.