nvcomposer.yaml

num_frames: &num_frames 16
resolution: &resolution [576, 1024]
model:
  base_learning_rate: 1.0e-5
  scale_lr: false
  target: core.models.diffusion.DualStreamMultiViewDiffusionModel
  params:
    use_task_embedding: false
    ray_as_image: false
    apply_condition_mask_in_training_loss: true
    separate_noise_and_condition: true
    condition_padding_with_anchor: false
    use_ray_decoder_loss_high_frequency_isolation: false
    train_with_multi_view_feature_alignment: true
    use_text_cross_attention_condition: false

    linear_start: 0.00085
    linear_end: 0.012
    num_time_steps_cond: 1
    log_every_t: 200
    time_steps: 1000
    
    data_key_images: combined_images
    data_key_rays: combined_rays
    data_key_text_condition: caption
    cond_stage_trainable: false
    image_size: [72, 128]
    
    channels: 10
    monitor: global_step
    scale_by_std: false
    scale_factor: 0.18215
    use_dynamic_rescale: true
    base_scale: 0.3
    
    use_ema: false
    uncond_prob: 0.05
    uncond_type: 'empty_seq'
    
    use_camera_pose_query_transformer: false
    random_cond: false
    cond_concat: true
    frame_mask: false
    padding: true
    per_frame_auto_encoding: true
    parameterization: "v"
    rescale_betas_zero_snr: true
    use_noise_offset: false
    scheduler_config:
      target: utils.lr_scheduler.LambdaLRScheduler
      interval: 'step'
      frequency: 100
      params:
        start_step: 0
        final_decay_ratio: 0.1
        decay_steps: 100
    bd_noise: false

    unet_config:
      target: core.modules.networks.unet_modules.UNetModel
      params:
        in_channels: 20
        out_channels: 10
        model_channels: 320
        attention_resolutions:
        - 4
        - 2
        - 1
        num_res_blocks: 2
        channel_mult:
        - 1
        - 2
        - 4
        - 4
        dropout: 0.1
        num_head_channels: 64
        transformer_depth: 1
        context_dim: 1024
        use_linear: true
        use_checkpoint: true
        temporal_conv: true
        temporal_attention: true
        temporal_selfatt_only: true
        use_relative_position: false
        use_causal_attention: false
        temporal_length: *num_frames
        addition_attention: true
        image_cross_attention: true
        image_cross_attention_scale_learnable: true
        default_fs: 3
        fs_condition: false
        use_spatial_temporal_attention: true
        use_addition_ray_output_head: true
        ray_channels: 6
        use_lora_for_rays_in_output_blocks: false
        use_task_embedding: false
        use_ray_decoder: true
        use_ray_decoder_residual: true
        full_spatial_temporal_attention: true
        enhance_multi_view_correspondence: false
        camera_pose_condition: true
        use_feature_alignment: true

    first_stage_config:
      target: core.models.autoencoder.AutoencoderKL
      params:
        embed_dim: 4
        monitor: val/rec_loss
        ddconfig:
          double_z: true
          z_channels: 4
          resolution: 256
          in_channels: 3
          out_ch: 3
          ch: 128
          ch_mult: [1, 2, 4, 4]
          num_res_blocks: 2
          attn_resolutions: []
          dropout: 0.0
        lossconfig:
          target: torch.nn.Identity

    cond_img_config:
      target: core.modules.encoders.condition.FrozenOpenCLIPImageEmbedderV2
      params:
        freeze: true

    image_proj_model_config:
      target: core.modules.encoders.resampler.Resampler
      params:
        dim: 1024
        depth: 4
        dim_head: 64
        heads: 12
        num_queries: 16
        embedding_dim: 1280
        output_dim: 1024
        ff_mult: 4
        video_length: *num_frames