{ "architectures": [ "Sam3TrackerModel" ], "dtype": "float32", "image_size": 224, "initializer_range": 0.02, "mask_decoder_config": { "attention_downsample_rate": 2, "dynamic_multimask_stability_delta": 0.05, "dynamic_multimask_stability_thresh": 0.98, "dynamic_multimask_via_stability": true, "hidden_act": "relu", "hidden_size": 32, "iou_head_depth": 3, "iou_head_hidden_dim": 32, "mlp_dim": 64, "model_type": "", "num_attention_heads": 4, "num_hidden_layers": 2, "num_multimask_outputs": 3 }, "mask_downsampler_embed_dim": 32, "memory_attention_feed_forward_hidden_size": 32, "memory_attention_hidden_size": 32, "memory_attention_num_layers": 1, "memory_encoder_hidden_size": 32, "memory_fuser_embed_dim": 32, "model_type": "sam3_tracker", "prompt_encoder_config": { "hidden_act": "gelu", "hidden_size": 32, "image_size": 128, "layer_norm_eps": 1e-06, "mask_input_channels": 8, "model_type": "", "num_point_embeddings": 4, "patch_size": 16, "scale": 1 }, "transformers_version": "5.16.0.dev0", "vision_config": { "backbone_config": { "_name_or_path": "", "architectures": null, "attention_dropout": 0.0, "chunk_size_feed_forward": 0, "dtype": null, "global_attn_indexes": [ 0, 1 ], "hidden_act": "gelu", "hidden_dropout": 0.0, "hidden_size": 32, "id2label": { "0": "LABEL_0", "1": "LABEL_1" }, "image_size": 224, "initializer_range": 0.02, "intermediate_size": 64, "is_encoder_decoder": false, "label2id": { "LABEL_0": 0, "LABEL_1": 1 }, "layer_norm_eps": 1e-06, "layer_scale_init_value": null, "model_type": "sam3_vit_model", "num_attention_heads": 4, "num_channels": 3, "num_hidden_layers": 2, "output_attentions": false, "output_hidden_states": false, "patch_size": 14, "pretrain_image_size": 336, "problem_type": null, "return_dict": true, "rope_theta": 10000.0, "window_size": 8 }, "backbone_feature_sizes": [ [ 32, 32 ], [ 16, 16 ], [ 8, 8 ] ], "fpn_hidden_size": 32, "hidden_act": "gelu", "initializer_range": 0.02, "layer_norm_eps": 1e-06, "model_type": "sam3_vision_model", "scale_factors": [ 2.0, 1.0, 0.5 ] } }