Categorical diffusion pipeline

[ChenchaoZhao]

Model/Pipeline/Scheduler description

Are there any plans for diffusion models other than Gaussian, e.g. categorical diffusion https://arxiv.org/abs/2102.05379

Open source status

• [X] The model implementation is available
• [X] The model weights are available (Only relevant if addition is not a scheduler).

Provide useful links for the implementation

https://github.com/didriknielsen/argmax_flows

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