MRILIB::MriSlicer Class Reference

MRI volume slicer. More...

#include <mri_slicer.h>

Static Public Member Functions
static MriSliceImage	extractSlice (const QVector< float > &volData, const QVector< int > &dims, const Eigen::Matrix4f &vox2ras, SliceOrientation orientation, int sliceIndex)
static QVector< MriSliceImage >	extractOrthogonal (const QVector< float > &volData, const QVector< int > &dims, const Eigen::Matrix4f &vox2ras, const Eigen::Vector3f &rasPoint)
static Eigen::Vector3i	rasToVoxel (const Eigen::Matrix4f &vox2ras, const Eigen::Vector3f &rasPoint)
static Eigen::Vector3f	voxelToRas (const Eigen::Matrix4f &vox2ras, const Eigen::Vector3i &voxel)
static MriSliceImage	extractSlice (const MriVolData &vol, SliceOrientation orientation, int sliceIndex)
static QVector< MriSliceImage >	extractOrthogonal (const MriVolData &vol, const Eigen::Vector3f &rasPoint)
static Eigen::Vector3i	rasToVoxel (const MriVolData &vol, const Eigen::Vector3f &rasPoint)
static Eigen::Vector3f	voxelToRas (const MriVolData &vol, const Eigen::Vector3i &voxel)

Detailed Description

MRI volume slicer.

Provides static methods for extracting 2D slices from 3D MRI volumes.

Supports axial, coronal, and sagittal slice extraction with automatic normalisation and RAS coordinate mapping.

Definition at line 99 of file mri_slicer.h.

Member Function Documentation

extractOrthogonal() [1/2]

QVector< MriSliceImage > MRILIB::MriSlicer::extractOrthogonal ( const MriVolData & vol, const Eigen::Vector3f & rasPoint )

static

Extract all three orthogonal slices at a given RAS point.

Parameters

[in]	vol	Loaded MRI volume.
[in]	rasPoint	RAS coordinate to slice through.

Returns

Vector of three MriSliceImage (axial, coronal, sagittal).

extractOrthogonal() [2/2]

QVector< MriSliceImage > MRILIB::MriSlicer::extractOrthogonal ( const QVector< float > & volData, const QVector< int > & dims, const Eigen::Matrix4f & vox2ras, const Eigen::Vector3f & rasPoint )

static

Extract all three orthogonal slices at a given RAS point.

Parameters

[in]	volData	Flat array of voxel intensities.
[in]	dims	Volume dimensions {dimX, dimY, dimZ}.
[in]	vox2ras	4x4 voxel-to-RAS transform.
[in]	rasPoint	RAS coordinate to slice through.

Returns

Vector of three MriSliceImage (axial, coronal, sagittal).

extractSlice() [1/2]

MriSliceImage MriSlicer::extractSlice ( const MriVolData & vol, SliceOrientation orientation, int sliceIndex )

static

Extract a 2D slice from an MriVolData volume.

Parameters

[in]	vol	Loaded MRI volume.
[in]	orientation	Slice orientation.
[in]	sliceIndex	Index along the slicing axis.

Returns

The extracted slice image.

Definition at line 212 of file mri_slicer.cpp.

extractSlice() [2/2]

MriSliceImage MRILIB::MriSlicer::extractSlice ( const QVector< float > & volData, const QVector< int > & dims, const Eigen::Matrix4f & vox2ras, SliceOrientation orientation, int sliceIndex )

static

Extract a 2D slice from a 3D volume stored as a flat array.

Parameters

[in]	volData	Flat array of voxel intensities (dimX x dimY x dimZ, x-fastest).
[in]	dims	Volume dimensions {dimX, dimY, dimZ}.
[in]	vox2ras	4x4 voxel-to-RAS transform.
[in]	orientation	Slice orientation (Axial, Coronal, or Sagittal).
[in]	sliceIndex	Index along the slicing axis.

Returns

The extracted slice image.

rasToVoxel() [1/2]

Eigen::Vector3i MRILIB::MriSlicer::rasToVoxel ( const Eigen::Matrix4f & vox2ras, const Eigen::Vector3f & rasPoint )

static

Convert RAS coordinate to voxel index.

Parameters

[in]	vox2ras	4x4 voxel-to-RAS transform.
[in]	rasPoint	RAS coordinate.

Returns

Voxel index (rounded to nearest integer).

rasToVoxel() [2/2]

Eigen::Vector3i MRILIB::MriSlicer::rasToVoxel ( const MriVolData & vol, const Eigen::Vector3f & rasPoint )

static

Convert RAS coordinate to voxel index using a volume's transform.

Parameters

[in]	vol	Loaded MRI volume.
[in]	rasPoint	RAS coordinate.

Returns

Voxel index (rounded to nearest integer).

voxelToRas() [1/2]

Eigen::Vector3f MRILIB::MriSlicer::voxelToRas ( const Eigen::Matrix4f & vox2ras, const Eigen::Vector3i & voxel )

static

Convert voxel index to RAS coordinate.

Parameters

[in]	vox2ras	4x4 voxel-to-RAS transform.
[in]	voxel	Voxel index.

Returns

RAS coordinate.

voxelToRas() [2/2]

Eigen::Vector3f MRILIB::MriSlicer::voxelToRas ( const MriVolData & vol, const Eigen::Vector3i & voxel )

static

Convert voxel index to RAS coordinate using a volume's transform.

Parameters

[in]	vol	Loaded MRI volume.
[in]	voxel	Voxel index.

Returns

RAS coordinate.

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The documentation for this class was generated from the following files:

• src/libraries/mri/mri_slicer.h
• src/libraries/mri/mri_slicer.cpp