ImageDev

LocalOrientation3dMsr

Contains the local orientation information computed in each block of a three-dimensional image.

Object members

Measurement name DescriptionElement typeIndexing
blockOriginX The X position, in voxel coordinates, of the top corner of the block corresponding to the input index. Integer [block]
blockOriginY The Y position, in voxel coordinates, of the top corner of the block corresponding to the input index. Integer [block]
blockOriginZ The Z position, in voxel coordinates, of the top corner of the block corresponding to the input index. Integer [block]
confidence The confidence of the detected orientation between 0 and 1. Floating point [block]
orientationPhi The polar angle, in degrees, of the main orientation of the block structures. It is given by the orientation of the eigenvector associated with the largest eigenvalue of the covariance matrix. Floating point [block]
orientationTheta The azimuthal angle, in degrees, of the main orientation of the block structures. It is given by the orientation of the eigenvector associated with the largest eigenvalue of the covariance matrix. Floating point [block]
eigenvalue1 The largest eigenvalue of the covariance matrix. Floating point [block]
eigenvalue2 The medium eigenvalue of the covariance matrix. Floating point [block]
eigenvalue3 The smallest eigenvalue of the covariance matrix. Floating point [block]
eigenvector1X The X coordinate of the eigenvector associated with the largest eigenvalue of the covariance matrix. Floating point [block]
eigenvector1Y The Y coordinate of the eigenvector associated with the largest eigenvalue of the covariance matrix. Floating point [block]
eigenvector1Z The Z coordinate of the eigenvector associated with the largest eigenvalue of the covariance matrix. Floating point [block]
eigenvector2X The X coordinate of the eigenvector associated with the medium eigenvalue of the covariance matrix. Floating point [block]
eigenvector2Y The Y coordinate of the eigenvector associated with the medium eigenvalue of the covariance matrix. Floating point [block]
eigenvector2Z The Z coordinate of the eigenvector associated with the medium eigenvalue of the covariance matrix. Floating point [block]
eigenvector3X The X coordinate of the eigenvector associated with the smallest eigenvalue of the covariance matrix. Floating point [block]
eigenvector3Y The Y coordinate of the eigenvector associated with the smallest eigenvalue of the covariance matrix. Floating point [block]
eigenvector3Z The Z coordinate of the eigenvector associated with the smallest eigenvalue of the covariance matrix. Floating point [block]
momentXX The XX moment of order 2 in voxel coordinates. It is the first diagonal element of the 3D covariance matrix. Floating point [block]
momentYY The YY moment of order 2 in voxel coordinates. It is the second diagonal element of the 3D covariance matrix. Floating point [block]
momentZZ The ZZ moment of order 2 in voxel coordinates. It is the third diagonal element of the 3D covariance matrix. Floating point [block]
momentXY The XY moment of order 2 in voxel coordinates. It is the elements (1,2) and (2,1) of the 3D covariance matrix. Floating point [block]
momentXZ The XZ moment of order 2 in voxel coordinates. It is the elements (1,3) and (3,1) of the 3D covariance matrix. Floating point [block]
momentYZ The YZ moment of order 2 in voxel coordinates. It is the elements (2,3) and (3,2) of the 3D covariance matrix. Floating point [block]
volumePercentage The percentage of voxels used in the block for performing the measurements; that is, the percentage of thresholded voxels in this block. Floating point [block]

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