{ "camera_attn_class": { "_partial_": true, "_target_": "vggttt.nets.vggt.layers.attention.Attention" }, "global_attn_class": { "_partial_": true, "_target_": "vggttt.nets.ttt_attention.FastWeightAttention", "base_lr": 0.01, "div_lr_by_seq_len": false, "mlp_ratio": 4, "muon_update_steps": 5, "num_steps": 2, "short_conv_size_qkv": [ 0, 0, 3 ] }, "gradient_checkpoint": true, "img_size": 518, "init_weights": "VGGT-1B", "use_point_head": true, "use_track_head": false }