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java.lang.Objectde.unihalle.informatik.MiToBo.segmentation.levelset.core.MTBLevelsetFunctionDerivable
public abstract class MTBLevelsetFunctionDerivable
Level set function supporting optimization based on variational calculus.
Nested Class Summary |
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Nested classes/interfaces inherited from interface de.unihalle.informatik.MiToBo.segmentation.basics.MTBSegmentationInterface |
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MTBSegmentationInterface.SegmentationDimension |
Constructor Summary | |
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MTBLevelsetFunctionDerivable()
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Method Summary | |
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abstract double |
get(int x,
int y,
int z)
Get the function value at position (x,y,z). |
abstract double |
getCurvature(int x,
int y,
int z)
Curvature at point (x,y,z). |
abstract double |
getDerivativeX(int x,
int y,
int z)
Partial derivative in x direction at position (x,y,z). |
abstract double |
getDerivativeXX(int x,
int y,
int z)
Second partial derivative in x direction at position (x,y,z). |
abstract double |
getDerivativeXY(int x,
int y,
int z)
Second partial derivative in x-y direction at position (x,y,z). |
abstract double |
getDerivativeXZ(int x,
int y,
int z)
Second partial derivative in x-z direction at position (x,y,z). |
abstract double |
getDerivativeY(int x,
int y,
int z)
Partial derivative in y direction at position (x,y,z). |
abstract double |
getDerivativeYY(int x,
int y,
int z)
Second partial derivative in y direction at position (x,y,z). |
abstract double |
getDerivativeYZ(int x,
int y,
int z)
Second partial derivative in y-z direction at position (x,y,z). |
abstract double |
getDerivativeZ(int x,
int y,
int z)
Partial derivative in z direction at position (x,y,z). |
abstract double |
getDerivativeZZ(int x,
int y,
int z)
Second partial derivative in z direction at position (x,y,z). |
boolean |
nearZero(int x,
int y,
int z)
Checks if a pixel belongs to the zero level. |
protected int |
sgn(double val)
Signum function. |
abstract boolean |
valid(int x,
int y,
int z)
Validity of point (x,y,z). |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface de.unihalle.informatik.MiToBo.segmentation.basics.MTBSegmentationInterface |
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getClass, getClass, getDimension, getMask, getMaxLabel, getNumberOfClasses, getSizeX, getSizeY, getSizeZ, getWeight, getWeight, isVisible, isVisible, setClass, setClass, setInvisible, setInvisible, setVisible, setVisible, setWeight, setWeight |
Constructor Detail |
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public MTBLevelsetFunctionDerivable()
Method Detail |
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public abstract double get(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getDerivativeX(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getDerivativeY(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getDerivativeZ(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getDerivativeXX(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getDerivativeYY(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getDerivativeZZ(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getDerivativeXY(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getDerivativeXZ(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getDerivativeYZ(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract double getCurvature(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public abstract boolean valid(int x, int y, int z)
x
- Coordinate in x.y
- Coordinate in y.z
- Coordinate in z.
public boolean nearZero(int x, int y, int z)
x
- x coordinate of point.y
- y coordinate of point.z
- z coordinate of point.
protected int sgn(double val)
val
- Value to check.
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