New features in Huygens Software

When not specified, changes apply to all Huygens Software products. Labels indicate particular products only: E = Huygens Essential, P = Huygens Professional, S = Huygens Scripting, C = Huygens Core, T = Huygens Titan. For older release information see: WhatsNewArchive.

17.04 Release


Huygens Professional & Essential

  • SPIM:
  • GPU Deconvolution:
    • Full support for the variable PSF mode in CMLE and GMLE.
  • Batch Processor:
    • Multi GPU support.
    • Stabilization in Batch mode.
  • GUI:
    • Scalable user interface.
    • Day and night themes.
    • Support for 4K monitors
  • File readers:
    • Support for Andor TIFF.
    • Support for Metamorph ND.
  • New Bleaching Corrector

Minor changes
  • (All) CZI reader:
    • Support for JPEG-XR compression.
  • (All) ICS reader/writer:
    • Support for parameter states.
    • Support for SPIM parameters.
    • SVI now maintains the open source libics library for reading and writing of ICS data. Since Huygens uses libics the library will be released in sync with Huygens from now on.
  • (All) TIFF reader:
    • Support for 32-bit float files.
  • (All) LOF/XLIF readers:
    • Support for DSL data.
  • (All) OME-TIFF reader:
    • Metadata is loaded.
  • (All) GPU support:
    • Made switching to a different GPU device more robust
  • (E/P) Huygens - LAS X:
    • Faster communication and data transfers.
  • (E/P) Stitcher:
    • Improved support for custom stitching patterns.
    • More visualization controls.
    • A new MIP visualization mode.
    • Better performance and less memory consumption.
    • Disable background estimation and bleaching correction for the tile deconvolution.
  • (E/P) Batch Processor:
    • Improved GUI.
    • Support for loading LIF files with multiple levels of sub-images.
  • (E/P) Improved icons.
  • (P) Improved image convert window.
  • (E/P) Crosstalk corrector:
    • Reduce noise option
    • Correction is now energy conservative.
  • (E/P) Tab completion is available in the open file window on Linux.
  • (C) SFP renderer:
    • Threshold data by Otsu's method for rendering raw and deconvolved images.

Bug fixes
  • (All) CZI reader:
    • Fix 'Scale if necessary'.
  • (All) LIF reader:
    • Several fixes.
  • (All) ND2 reader:
    • Several fixes.
  • (All) Background estimation:
    • Fix background calculation on the CPU for floating-point images containing integer values.
  • (E/P) Drag & Drop:
    • Fix Windows and Linux distributions.
  • (E/P) Communication with Leica's LAS X software:
    • Fix floating licenses.
  • (E/P) Histograms:
    • Fix potential bug in the calculation of 5+ channel histograms.


(15th August 2017)
  • (All) GPU processing
    • Use a sufficiently large string to report the names of all GPU cards.
  • (E/P) Decon Express:
    • More consistent SNR reports.
  • (E/P) Colocalization Analyzer:
    • Fix inaccuracies in computation of Pearson coefficient with a mask image.
  • (E/P) Cross-talk Corrector:
    • Fix potential low level error.
  • (E/P) Chromatic Aberration Corrector:
    • Fix interpretation of templates where there are missing values. This fix also affects the Batch Processor where the corresponding job could fail due to the missing value.
    • Editing the table is now slightly easier. Allow for empty cells.
  • (E/P) Batch Processor:
    • Add a new cascading menu to set the input conversion format for integer-typed input images to either int (the default) or float.
    • Fix interpretation of no stages in Metamorph .nd files.
  • (E/P) Stitcher:
    • Fix regression introduced in previous patch which rendered the quick launch button useless.
  • (P) Enable/Disable 'Split' entry in 'Tools' menu depending on context.


(18th July 2017)
  • (All) Compute Engine:
    • Fix unresponsive 'genpsfExpl' command.
    • Fix GPU initialization that would disable the GPU as a whole with more than 3 GPU devices present.
  • (All) ICS files:
    • Limit the number of channels to 32.
  • (All) HDF5 files:
    • Fix a crash and convert it into a regular read error when reading a certain HDF5 file (with invalid data).
    • Fix a crash on reading scaling data from a multi-channel HDF5 file.
  • (All) OME reader:
    • Report an error in case of an invalid number of channels or an invalid channel number.
  • (All) LIF reader:
    • Fix SPIM excitation mode.
  • (E/P) Stitcher:
    • Fix neglected channels in TIFF series.
    • Fix layout optimization of mosaics containing very noise as well as signal-rich tiles.
    • Fix occasional 1-pixel wide artifacts at the borders.
  • (E/P) SFP Renderer:
    • Fix table switch.
  • (E/P) Deconvolution Wizard and Deconvolution Express:
    • Fix occasional glitches in report area.


(30th June 2017)
  • (E/P) Twin Slicer:
    • Fix focus issue of the contrast window in Windows.
  • (E/P) Batch Processor:
    • Fix incorrect undersampled highlighting in microscopic templates.
    • Fix saving error of files containing unsupported path symbols (e.g. colon symbol) on Windows.
    • Fix missing update of the screen after loading a batch job list from file (new list was not shown in some cases).
  • (E) Fusion Wizard:
    • The tool is now available in Huygens Essential.
  • (All) Deconvolution:
    • Fix SNR multichannel report which failed to concatenate the single channel strings.
    • Fix small memory leak in the GPU version of GMLE.
    • More accurate background estimation of extremely low signal images.
  • (All) LIF files:
    • Read transmission channels as brightfield.
  • (All) HDF5 files:
    • Report when the file has been generated with a newer Huygens version.
  • (All) Metamorph ND files:
    • Fix case where there's only 1 position in a multi stage file.


(9th June 2017)
  • Fix occasionally incorrect background report.
  • Addition to preference window; the user can change what happens after a double clicking on a thumbnail in Huygens Professional: Open a slicer, twin slicer, MIP renderer or orthoslicer.


(1st June 2017)
  • Slightly smaller font for the Tcl shell.
  • Microscopic Parameter Editor: fix reported Nyquist rate for SPIM which did not take excitation mode into account.


(24th May 2017)
  • Fix error on closing the preferences window while the GUI was scaling.
  • Remove automatic DPI scaling which gives errors on OSX.


(19th May 2017)
  • Fix 'Experimental Presets' in Object Analyzer.

For older release information see: WhatsNewArchive.

Contact Information

Scientific Volume Imaging B.V.

Laapersveld 63
1213 VB Hilversum
The Netherlands

Phone: +31 (0)35 64216 26
Fax: +31 (0)35 683 7971
E-mail: info at svi.nl

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