1.1.0

• Support for advanced PSF models based on Monte Carlo simulation. In particular, modeling of the 440keV PSF for both a Siemens High Energy and GE High Energy collimator has been added. The PSF implementation is based on this paper

1.0.0

• Official release of version 1.0.0 following the review process from the journal of open source software (JOSS).
• SPECT modeling featuring attenuation correction, PSF modeling (distance-dependent Gaussian), energy-window based scatter correction, and options for joint multi photopeak reconstruction
• Reconstruction algorithms featuring OSEM, BSREM, and OSMAPOSL, with Bayesian algorithms featuring the Quadratic, LogCosh, and Relative Difference Penalty priors. Priors can also use anatomical priors where nearest neighbours are selected based on similar anatomical values.
• Post reconstruction offers options for uncertainty in volumes of interest