R2013a:
- Image segmentation using active contours
- Classes and functions for representing and applying 2-D and 3-D geometric transformations
- Classes for defining world coordinate system of an image
- Code generation for conndef, imcomplement, imfill, imhmax, imhmin, imreconstruct, imregionalmax, imregionalmin, iptcheckconn, and padarray functions (using MATLAB Coder)
- GPU acceleration for imrotate, imfilter, imdilate, imerode, imopen, imclose, imtophat, imbothat, imshow, padarray, and bwlookup functions (using Parallel Computing Toolbox)
- Unsharp mask filtering
R2012b
- Image gradient computation with imgradient and imgradientxy functions
- Histogram matching with imhistmatch function
- Multilevel thresholding with multithresh and imquantize functions
- 3-D image registration with imregister function
- Code generation for bwmorph and bwlookup with MATLAB Coder
- Added function bwlookup
- Writing private metadata when anonymizing DICOM files
- Expanded color options with imshowpair
- Performance improvements