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SIFT3D version history

1.0.0

  • Initial release

1.1.0

  • Added DICOM IO
  • Wrapped DICOM and NIFTI IO in C functions im_read and im_write
  • Added matlab wrappers keypoint3D, imRead3D and imWrite3D
  • Changed C function SIFT3D_Extract_Descriptors to SIFT3D_Extract_Descriptors and SIFT3D_Extract_Raw_Descriptors
  • Fixed various bugs, improving keypoint and descriptor accuracy

1.1.1 October 30, 2015

  • Performance optimizations
  • Fixes to DICOM slice ordering (im_read, imRead3D)
  • Write more DICOM metadata (im_write, imWrite3D)
  • Corrected Mac build instructions

1.2.0 January 5, 2016

  • Fixed Mac linking issues
  • Take real-world units into account in SIFT3D keypoints, descriptors
  • Added Matlab wrapper for image registration
  • Optionally resample input images prior to registration (regSift3D, register_SIFT3D_resample)
  • Write more NIFTI metadata (im_write, imWrite3D)
  • Changed C interface for descriptor extraction to disallow providing a custom Gaussian scale-space pyramid (SIFT3D_Extract_Descriptors)
  • Allow arbitrary output sizes in im_inv_transform
  • Minor bug fixes

1.3.0 March 28, 2016

  • Add parameters for keypoint detection to Matlab interface
  • Add registration parameters to Matlab and CLI
  • Default in Matlab to faster version of image registration that avoids resampling
  • Improved error handling
  • Removed unused, faulty options
  • Print internal error messages to the Matlab command prompt

1.3.1 March 31, 2016

  • Removed option to set the number of octaves, which was causing bugs

1.4.0 May 11, 2016

  • Fixed bugs to improve keypoint and registration accuracy, especially concerning rotations
  • Fixed bug that caused crashing on some large images
  • Dramatically reduced memory consumption of keypoint matching
  • Refactored SIFT3D_nn_match_fb into SIFT3D_nn_match, as there is now no reason to prefer forward to forward-backward matching
  • Renamed headers macros.h and types.h to immacros.h and imtypes.h, respectively

1.4.1 May 25, 2016

  • Removed keypoint refinement step, which did not improve the accuracy.

1.4.2 June 15, 2016

  • Added multithreading with OpenMP
  • Improved keypoint matching speed

1.4.3 July 24, 2016

  • Fixed CMake settings to allow linking to CMake targets without dependencies
  • Updated for newer versions of CMake, MinGW
  • Update package dependencies for Ubuntu 16.04
  • Removed POSIX dependencies in header files to allow linking with Visual Studio
  • Added support for reading JPEG-compressed DICOM files
  • Ship both MS (.lib) and MinGW (.dll.a) import libraries on Windows
  • Ship with MinGW runtime libraries on Windows
  • Ship with OpenBLAS on Windows

1.4.4 September 13, 2017

  • Add support for reading Dicom Segmentation Objects (DSOs)
  • Add the option to compile without DCMTK and nifticlib
  • Reading images no longer scales them (im_read, imRead3D)
  • Read DICOM CT scans in Hounsfield units (im_read, imRead3D)
  • Fix header includes for newer builds of MinGW (TDM-GCC)

1.4.5 January 17, 2018

  • Fixed a bug in orientation assignment to improve the accuracy of SIFT3D descriptors. Thanks to KinMan for finding this bug.
    • Change the default value of corner_thresh parameter to 0.4, to get the same number of keypoints as before the fix
  • Add a new Matlab wrapper function to enable matching pre-computed descriptors (matchSift3D.m)
  • Compute the slice spacing of multi-file Dicom series, using this instead of the Slice Thickness metadata. Warn the user if the slice spacing differs from the slice thickness. Throw an error if the slice spacing is inconsistent between pairs of adjacent images.
  • Add keypoint octave indices to kpSift3D output. Thanks to v8korb for this suggestion.
  • Refactor RANSAC code for improved clarity and efficiency. Thanks to cslayers for this suggestion.

1.4.6 November 12, 2019

  • Fix MEX file compilation for Matlab 2018b and newer
  • Improve Nifti-1 image reading to take into account slope and intercept
  • Convert PET scans to SUV
  • Read Dicom series which are stored in unusual orientations (e.g., Y-Z planes instead of X-Y). This is needed for reading 3D mammograms.
  • Support 4D Nifti files