Version 2.5

Version 2.5 of DIPlib and DIPimage has been released

Change list

• Changes to DIPimage

  • New functions:
    • hminima, hmaxima.
  • Changed functions:
    • A new option makes the functions ft and ift use the MATLAB built-in FFTW library, rather than DIPlib. This is much faster in most cases. Write dipsetpref('FFTtype','fftw').
    • readtimeseries now reads series much, much faster. Can now also read files with names composed of only digits.
    • readim now reads multiple images from one .lif file.
    • noise: Fixed issue with 'uniform' noise and default parameters. Added blue noise.
    • It is now finally possible to combine the 'tight' option and a size parameter in diptruesize.
    • resample, rotation and rotation3d now can use Lanczos interpolation. 'lanczos3' is now the default interpolation method in these functions.
    • rotation and rotation3d now cast the input image to a float type for all interpolation methods except 'nn', 'zoh' and 'linear'. This is to avoid clipping behaviour that was usually reported as a bug. Binary images can now be rotated with the 'nn' or 'zoh' methods.
    • It is now possible to use multiple thresholds with the 'fixed' method in threshold.
    • Converting a scalar value to a dip_image object no longer creates an sfloat image, the data type is always preserved.
    • dip_add, dip_div, dip_mul and dip_sub have been removed in favour of the new function dip_arith, which directly corresponds with a DIPlib function. An optional input argument allows to choose the data type of the output.
  • Bug fixes:
    • Fixed bug in convolve with 1D image and filter.
    • Function psnr was computing STD instead of MSE.
    • img+[] gave a DIPlib error.
    • eig gave errors for 3D tensors.

• Changes to DIPlib
  (These might or might not propagate to DIPimage)

  • New functions:
    • dip_PutSubSpace()
  • Changed functions:
    • Added nearest neighbour interpolation (zero order hold results in half a pixel shift!) and Lanczos interpolation.
    • Skews and rotations with cubic spline convolution are much faster now.
    • dip_Reconstruction() now allows binary input images.
  • Bug fixes:
    • Fixed bug that caused SegV when creating a rectangular pixel table with non-integer size.
    • Arithmetic with 0D images could give a SegV.

• Changes to dipIO
  (This propagates to DIPimage)

  • New functions:
    • dipio_ImageReadColourSeries() reads in a series of 2D images as a single 3D image.