Release Notes

v0.9.0 Cortex (2025-02-17)

Highlights:

Cortical implants: Cortivis [Fernandez2017] (PR #525), ICVP [Troyk2003] (PR #542), Neuralink [Musk2019] (PR #597)
Cortical models: ScoreboardModel (PR #533), DynaphosModel [vanderGrinten2023] (PR #547)
Cortical maps: Polimeni2006Map (PR #509), NeuropythyMap (PR #597)
Other new implants: IMIE [Xu2021] (PR #492), EnsembleImplant (PR #537), RectangleImplant (PR #631)
New datasets: fetch_han2021 [Han2021] (PR #494)
Torch and CUDA support (PR #633)
Python 3.11 and 3.12 support
Various bug fixes

v0.8.0 Retina (2022-05-05)

Highlights:

New implants: BVT44 [Petoe2021] (PR #465)
New models: BiphasicAxonMapModel [Granley2021] (PR #398) and Thompson2003Model [Thompson2003] (PR #448)
New datasets: load_greenwald2009() [Greenwald2009] (PR #459) and load_perezfornos2012() [PerezFornos2012] (PR #457)
New stimuli: BarStimulus, GratingStimulus (PR #310)
Python 3.10 support (PR #479)
Various bug fixes

v0.7.1 (2021-06-21)

Highlights:

Add FadingTemporal, a generic phosphene fading model (PR #378)
Various implant usability and speed upgrades (PR #375, PR #382, PR #383, PR #386)
Various stimulus usability and speed upgrades (PR #382, PR #383, PR #384, PR #385)
Improve documentation and usability of various AxonMapModel methods (PR #370)

v0.7.0 Implants (2021-04-04)

Highlights:

New implants: PRIMA, PRIMA75, PRIMA55, PRIMA40 (PR #188)
New electrodes: SquareElectrode, HexElectrode, PhotovoltaicPixel (PR #188, PR #193)
New stimuli: ImageStimulus and VideoStimulus (PR #196, PR #220, PR #221, PR #356), BarStimulus and GratingStimulus (PR #323)
New datasets: load_nanduri2012 (PR #250)
New model selection subpackage (PR #311)
100x speedup of building AxonMapModel (PR #331)
OpenMP support (PR #260)
Python 3.9 support (PR #348)
Various usability upgrades
Various bug fixes

v0.6.0 API (2020-05-05)

Highlights:

New API (PR #96, PR #174, PR #178)
New implants: BVA24 (PR #161)
New models: ScoreboardModel (PR #96), AxonMapModel (PR #96), Nanduri2012Model (PR #168), Horsager2009Model (PR #180)
New stimuli: BiphasicPulseTrain, AsymmetricBiphasicPulse, AsymmetricBiphasicPulseTrain (PR #178)
New percepts subpackage (PR #174)
New datasets subpackage (PR #167)
New build process: Compile code and run tests via Makefile (PR #96)
Documentation now includes a tutorial, user guide, developer’s guide, and a gallery
Various bug fixes

v0.5.2 (2020-02-25)

Bug fix:

pulse2percept.retina.Nanduri2012: improved Cython implementation

v0.5.1 (2020-02-05)

Bug fixes:

pulse2percept.retina.Nanduri2012: allow switch between FFT/Cython
pulse2percept.retina.Horsager2009: respect use_jit option
pulse2percept.utils.center_vector: “cannot determine Numba type”

v0.5.0 Community (2019-11-29)

New pulse2percept.viz module (PR #84)
Support for the AlphaIMS implant (PR #87)
Automated wheelhouse build (PR #130)
New contribution guidelines (PR #92)
New issue templates (PR #93)
New code of conduct (PR #95)
Host documentation on pulse2percept.readthedocs.io.

v0.4.3 Cython (2018-05-21)

Highlights:

Cython integration:
- The model described in Nanduri et al. (2012) now uses a finite difference method implemented in Cython as opposed to FFT-based convolutions (PR #83)
- Single-core benchmarks show a 200x speedup over a pure-Python implementation.

v0.3.0 Baby Steps (2018-02-20)

New, faster axon map calculation
Better plotting
Support for left/right eye