Package boofcv.alg.geo

Class PositiveDepthConstraintCheckH

java.lang.Object

boofcv.alg.geo.PositiveDepthConstraintCheckH

public class PositiveDepthConstraintCheckH
extends Object

Given two views of the same point and a known 3D transform checks to see if the point is in front of both cameras. This is the positive depth constraint. A class is provided instead of a function to reduce computational overhead each time the function is called. Memory only needs to be declared once. Also less chance of messing up and only checking one view instead of two views if you use this class.

Triangulation is done in homogenous coordinates so that points at infinity can be handled

COORDINATE SYSTEM: Right handed coordinate system with +z is pointing along the camera's optical axis,

Constructor Summary

Constructors

Constructor	Description
PositiveDepthConstraintCheckH()
PositiveDepthConstraintCheckH(Triangulate2ViewsMetricH triangulate)

Method Summary

Modifier and Type	Method	Description
boolean	checkConstraint(Point2D_F64 viewA, Point2D_F64 viewB, Se3_F64 fromAtoB)	Checks to see if a single point meets the constraint.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PositiveDepthConstraintCheckH

public PositiveDepthConstraintCheckH(Triangulate2ViewsMetricH triangulate)

PositiveDepthConstraintCheckH

public PositiveDepthConstraintCheckH()

Method Details

checkConstraint

public boolean checkConstraint(Point2D_F64 viewA,
 Point2D_F64 viewB,
 Se3_F64 fromAtoB)

Checks to see if a single point meets the constraint.

Parameters:

viewA - View of the 3D point from the first camera. Normalized image coordinates.

viewB - View of the 3D point from the second camera. Normalized image coordinates.

fromAtoB - Transform from the B to A camera frame.

Returns:

If the triangulated point appears in front of both cameras.