# 扩散过程配置
diffusion:
  beta_schedule: "scaled_linear"
  beta_start: 0.00085
  beta_end: 0.012
  num_train_timesteps: 1000
  num_inference_timesteps: 50
  
  # 损失函数
  loss_type: "l2"  # 或 "l1"
  snr_gamma: null
  
  # 采样器
  sampler_type: "ddim"  # 或 "dpm++_2m"
  prediction_type: "epsilon"
  
  # 训练参数
  vae_scale_factor: 0.18215
  offset_noise_strength: 0.1