f Imagen
Paper. Guidance scale is enabled by setting guidance_scale > 1. Higher guidance scale encourages to generate images that are closely linked to the text prompt,
usually at the expense of lower image quality.


source_guidance_scale (float, optional, defaults to 1) —
Guidance scale for the source prompt. This is useful to control the amount of influence the source
prompt for encoding.


num_images_per_prompt (int, optional, defaults to 1