Question
I am a newer user of Matlab and have been experimenting with the Image Processing toolbox. As far a comparing version R2012a versus R2013a have any of you found any issues, positive changes, are know where to learn more about the benefits to using one versus the other?
Expert Answer
John Williams
PhD Expert
Answered Aug 27, 2026
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
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