{
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    "class_name": "SAMBackbone",
    "config": {
        "name": "sam_backbone",
        "trainable": true,
        "image_encoder": {
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            "class_name": "ViTDetBackbone",
            "config": {
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                "image_shape": [
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                ],
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                "hidden_size": 1024,
                "num_layers": 24,
                "intermediate_dim": 4096,
                "num_heads": 16,
                "num_output_channels": 256,
                "use_bias": true,
                "use_abs_pos": true,
                "use_rel_pos": true,
                "window_size": 14,
                "global_attention_layer_indices": [
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                    11,
                    17,
                    23
                ],
                "layer_norm_epsilon": 1e-06
            },
            "registered_name": "keras_hub>ViTDetBackbone"
        },
        "prompt_encoder": {
            "module": "keras_hub.src.models.sam.sam_prompt_encoder",
            "class_name": "SAMPromptEncoder",
            "config": {
                "name": "sam_prompt_encoder",
                "trainable": true,
                "dtype": {
                    "module": "keras",
                    "class_name": "DTypePolicy",
                    "config": {
                        "name": "float32"
                    },
                    "registered_name": null
                },
                "hidden_size": 256,
                "image_embedding_size": [
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                    64
                ],
                "input_image_size": [
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                    1024
                ],
                "mask_in_channels": 16,
                "activation": "gelu"
            },
            "registered_name": "keras_hub>SAMPromptEncoder"
        },
        "mask_decoder": {
            "module": "keras_hub.src.models.sam.sam_mask_decoder",
            "class_name": "SAMMaskDecoder",
            "config": {
                "name": "sam_mask_decoder",
                "trainable": true,
                "dtype": {
                    "module": "keras",
                    "class_name": "DTypePolicy",
                    "config": {
                        "name": "float32"
                    },
                    "registered_name": null
                },
                "hidden_size": 256,
                "num_layers": 2,
                "intermediate_dim": 2048,
                "num_heads": 8,
                "embedding_dim": 256,
                "num_multimask_outputs": 3,
                "iou_head_depth": 3,
                "iou_head_hidden_dim": 256,
                "activation": "gelu"
            },
            "registered_name": "keras_hub>SAMMaskDecoder"
        }
    },
    "registered_name": "keras_hub>SAMBackbone"
}