e Diffusion Guidance.
guidance_scale is defined as w of equation 2. of 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.   height (int, optional, defaults to 512) —
The height of the generated image.   width (int, optional, defaults to 512) —
The width of the generated image.   num_i