3-D Volumetric Image Processing

Filter, segment, and perform other image processing operations on 3-D volumetric data

执行像素操作,本地过滤,morphology, and other image processing, on 3-D data sets.

Apps

Volume Viewer	View volumetric data and labeled volumetric data
Volume Segmenter	Segment 3-D grayscale or RGB volumetric images

Functions

全部展开

Volume Display

`volshow`	Display volume
`labelvolshow`	Display labeled volume
`sliceViewer`	Browse image slices
`orthosliceViewer`	Browse orthogonal slices in grayscale or RGB volume
`obliqueslice`	Extract oblique slice from 3-D volumetric data

Image Import and Conversion

`adaptthresh`	Adaptive image threshold using local first-order statistics
`dicomread`	Read DICOM image
`dicomreadVolume`	Create 4-D volume from set of DICOM images
`dicomContours`	Extract ROI data from DICOM-RT structure set
`imbinarize`	Binarize 2-D grayscale image or 3-D volume by thresholding
`niftiinfo`	Read metadata from NIfTI file
`niftiwrite`	Write volume to file using NIfTI format
`niftiread`	Read NIfTI image
`tiffreadVolume`	Read volume from TIFF file

Image Arithmetic

`imabsdiff`	Absolute difference of two images
`imadd`	Add two images or add constant to image
`imdivide`	Divide one image into another or divide image by constant
`immultiply`	Multiply two images or multiply image by constant
`imsubtract`	Subtract one image from another or subtract constant from image

通用电气ometric Transformations and Image Registration

`affine3d`	3-D affine geometric transformation
`imcrop3`	Crop 3-D image
`imref3d`	Reference 3-D image to world coordinates
`imregister`	Intensity-based image registration
`imregdemons`	Estimate displacement field that aligns two 2-D or 3-D images
`imresize3`	Resize 3-D volumetric intensity image
`imrotate3`	Rotate 3-D volumetric grayscale image
`imwarp`	Apply geometric transformation to image

Image Filtering and Enhancement

`fibermetric`	Enhance elongated or tubular structures in image
`fspecial3`	Create predefined 3-D filter
`histeq`	Enhance contrast using histogram equalization
`imadjustn`	Adjust intensity values inN-D volumetric image
`imboxfilt3`	3-D box filtering of 3-D images
`imfilter`	N-D filtering of multidimensional images
`imgaussfilt3`	3-D Gaussian filtering of 3-D images
`imhistmatchn`	Adjust histogram of N-D image to match histogram of reference image
`imnoise`	Add noise to image
`integralBoxFilter3`	3-D box filtering of 3-D integral images
`integralImage3`	Calculate 3-D integral image
`medfilt3`	3-D median filtering

Morphology

`bwareaopen`	Remove small objects from binary image
`bwconncomp`	Find connected components in binary image
`bwmorph3`	Morphological operations on binary volume
`bwskel`	Reduce all objects to lines in 2-D binary image or 3-D binary volume
`imbothat`	Bottom-hat filtering
`imclose`	Morphologically close image
`imdilate`	Dilate image
`imerode`	Erode image
`imopen`	Morphologically open image
`imreconstruct`	Morphological reconstruction
`imregionalmax`	Regional maxima
`imregionalmin`	Regional minima
`imtophat`	Top-hat filtering
`offsetstrel`	Morphological offset structuring element
`strel`	Morphological structuring element
`watershed`	Watershed transform

Image Segmentation

`activecontour`	Segment image into foreground and background using active contours (snakes) region growing technique
`bfscore`	Contour matching score for image segmentation
`dice`	Sørensen-Dice similarity coefficient for image segmentation
`gradientweight`	Calculate weights for image pixels based on image gradient
`graydiffweight`	Calculate weights for image pixels based on grayscale intensity difference
`imsegfmm`	Binary image segmentation using fast marching method
`imsegkmeans3`	K-means clustering based volume segmentation
`jaccard`	Jaccard similarity coefficient for image segmentation
`superpixels3`	3-D superpixel oversegmentation of 3-D image

Image Analysis

`bwselect3`	Select objects in binary volume
`edge3`	Find edges in 3-D intensity volume
`imgradient3`	Find gradient magnitude and direction of 3-D image
`imgradientxyz`	Find directional gradients of 3-D image
`imhist`	Histogram of image data
`regionprops3`	Measure properties of 3-D volumetric image regions

Image Augmentation for Deep Learning

`randomPatchExtractionDatastore`	Datastore for extracting random 2-D or 3-D random patches from images or pixel label images
`centerCropWindow3d`	Create cuboidal center cropping window
`randomCropWindow3d`	Create randomized cuboidal cropping window
`randomAffine3d`	Create randomized 3-D affine transformation
`affineOutputView`	Create output view for warping images

Topics

Create Binary Mask Using Volume Segmenter

This example shows how to segment a volume in theVolume Segmenterapp.

Work with Blocked Images Using Volume Segmenter

This example shows how to work with a single-resolution blocked image in theVolume Segmenterapp.

Compute 3-D Superpixels of Input Volumetric Intensity Image

This example shows how to convert 3-D MRI data into a grayscale intensity image of superpixels.

Explore 3-D Volumetric Data with Volume Viewer App

You can view perpendicular cross-sections of 3-D volumetric data using the Volume Viewer app. Adjust the rendering to reveal structures within the volume.

Explore 3-D Labeled Volumetric Data with Volume Viewer App

You can view 3-D labeled volumetric data using the Volume app. You can view the volume and the labeled volume simultaneously and change the opacity and colormap.

Preprocess Volumes for Deep Learning(Deep Learning Toolbox)

Read and preprocess volumetric image and label data for 3-D deep learning.