Image Processing Toolbox


See the Release Notes for details.


All Releases

Version 9.3, part of Release 2015b, includes the following enhancements:

  • gabor and imgaborfilt: New class and function for designing and applying Gabor filter banks for use in edge and texture analysis
  • grayconnected and imboxfilt: Segment regions by intensities and apply spatial domain filters
  • Performance: Performance improvements for grayscale morphology and image filtering
  • dpxread and dpxinfo: Read Digital Picture Exchange files

See the Release Notes for details.

Version 9.2, part of Release 2015a, includes the following enhancements:

  • C-code generation support for more than 20 functions, including regionprops, watershed, bweuler, bwlabel, bwperim, and multithresh using MATLAB Coder
  • App for batch processing sets of images
  • Fast geodesic interactive segmentation
  • Optimized function for Gaussian filtering
  • GPU acceleration for imregionalmax, imregionalmin, imgaussfilt, imgaussfilt3, and regionprops functions

See the Release Notes for details.

Version 9.1, part of Release 2014b, includes the following enhancements:

  • Apps for image segmentation and region analysis
  • C-code generation support for 16 additional functions using MATLAB Coder, including bwtraceboundary, imadjust, imclearborder, and medfilt2
  • Nonrigid image registration
  • Image warping using displacement fields
  • Image segmentation using the Fast Marching Method algorithm

See the Release Notes for details.

Version 9.0, part of Release 2014a, includes the following enhancements:

  • C-code generation for more than 25 functions, including edge, imfilter, imwarp, imopen, imclose, imerode, and imdilate using MATLAB Coder
  • GPU acceleration for an additional nine functions, including bwdist, imfill, imreconstruct, iradon, radon, and stretchlim
  • App for color image thresholding
  • Image quality metrics, including peak signal to noise (psnr) and structured similarity metric (ssim)
  • Guided filtering for image enhancement
  • Phase correlation and translation-only image registration functions

See the Release Notes for details.

Version 8.3, part of Release 2013b, includes the following enhancements:

  • GPU acceleration for more than 20 functions, including bwmorph, edge, imresize, and medfilt2
  • Additional 2D geometric transformations: piecewise linear, local weighted mean, and polynomial
  • Additional parameter in imregister and imregtform to specify initial transformation
  • fitgeotrans function for fitting geometric transformation to control point pairs

See the Release Notes for details.

Version 8.2, part of Release 2013a, includes the following enhancements:

  • Image segmentation using active contours
  • Classes and functions for representing and applying 2-D and 3-D geometric transformations
  • Classes for defining the 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

See the Release Notes for details.