r  )   Parameters   vae (AutoencoderKL) —
Variational Auto-Encoder (VAE) Model to encode and decode images to and from latent representations.   text_encoder (T5EncoderModel) —
Frozen text-encoder. PixArt-Alpha uses
T5, specifically the
t5-v1_1-xxl variant.   tokenizer (T5Tokenizer) —
Tokenizer of class
T5Tokenizer.   transformer (Transformer2DModel) —
A text conditioned Transformer2DModel to denoise the encoded image latents.   scheduler (Sche