Release version 0.2.0

New release adding the following features and fixing the following problems:

Added

• Refactored tomo projector:
  • Removed support for multiple independent projection at the same time
  • Removed difference between modes independent and simultaneous modes
  • Moved from astra-toolbox' OpTomo to experimental direct_FPBP
• Multi-threading support for Integration algorithm
• tqdm support in depth estimation
• Decoupling between focal stack computation and cues computation in depth estimation
• Refactored (simplified) PSF code
• Simplified light-field mode conversion

Fixed

• Unwanted write in-place
• Examples n.1 and n.2
• Negative values in KL data term
• PSF handling in reconstructions

Release version 0.1.4

New release adding the following features and fixing the following problems:

Added

• Hidden support for different data fitting norms in the correspondence cue computation (depth-estimation)
• Normalization support for flat-field data
• Colorbar support in refocus visualization

Fixed

• Loading TIFF data (relying on the ImageIO library now)
• Loading of flexray data
• Refocus visualization color limits
• Typos

Release version 0.1.3 - hotfix

Fixed

• Computation of depth sub-sampling quadratic fit
• Import of flexray light-fields
• Depth-map computation with cross-correlation

Release version 0.1.2

New release adding the following features and fixing the following problems:

Added

• Support for pixel masks
• Support for saving in .vox data format
• Image processing functions (smoothing, lowpass and highpass filters, background subtraction, etc)
• Sub-aperture image warping
• Simple focal stack visualization tool
• Unsupported tools for: tomographic reconstructions, matrix testing, and creation of refocusing movies
• Depth-estimation quadratic refinement of peak positions
• Depth-estimation "2nd peak" confidence method
• Complete support for cross-correlation cue

Fixed

• Test failure
• Roll-off correction for Fourier refocusing
• Formatting style (linting applied)
• Documentation (including docstrings quality)
• Defocus depth cue: use gradient instead of laplacian
• Correspondence depth cue: correct computation of confidence

Release version 0.1.1

Mainly a bug-fixing release.

Added

• Example on creating and using files in .vox data format
• Added TV regularization to PSF deconvolution

Fixed

• Fixed and enabled OTF functionality in PSF convolution
• Allow loading when ASTRA is not installed
• Try using ImageIO for TIFF images before matplotlib
• Fixed renormalization in traditional integration algorithm for upsampled cases
• Small fixes to PSF deconvolution
• Fixed padding in refocus, when using wavelet regularization

Release version 0.1.0

Initial release with the following functionality:

• support for a few types of datasets and formats (including the .vox format).
• support for refocusing using standard algorithms like the integration and Fourier methods.
• support for GPU accelerated tomography based refocusing, including the following algorithms:
  • unfiltered back-projection
  • SIRT
  • Chambolle-Pock (Least-square, TV)
• support for depth estimation based on defocus and correspondence cues