Conditional NCSNpp

Added feature

• The NCSNpp architecture can now be conditioned on images, discrete categories, continuous number and vectors.

SLIC

New features

• Implemented SLIC model, see Legin et al. (2023)

Bug fixes

• Fix loading model from string

Hessian, log-likelihood and zero-temperature score

Features

• Hessian (or generally, trace of the Jacobian of a drift function) added
• Log-likelihood computation using the ODE
• Zero-temperature score as the score of the log-likelihood implemented
• Fixed a bug in VPSDE

v0.3.0

Initial release