generation_config.json

{
 "dataset": "coco_stuff",
 "num_bucket_per_side": [256, 256],
 "width": 512,
 "height": 512,
 "prompt_template": "An image with {bbox}",
 "cfg_scale": 4.5,
 "num_inference_steps": 50,
 "max_num_bbox": 18
}