{
    "RoiAlign":{
        "parameters":
            [
                {"name":"output_height",
                    "dtype": "int32_t"
                },
                {"name":"output_weight",
                    "dtype": "int32_t"
                },
                {"name":"height_ratio",
                    "dtype": "float"
                },
                {"name":"width_ratio",
                    "dtype": "float"
                },
                {"name":"height_sample_num",
                    "dtype": "int32_t"
                },
                {"name":"width_sample_num",
                    "dtype": "int32_t"
                },
                {"name": "input_layout",
                    "dtype": "tim::vx::DataLayout",
                    "Optional": "true",
                    "default": "tim::vx::DataLayout::WHCN",
                    "range":["tim::vx::DataLayout::ANY",
                             "tim::vx::DataLayout::WHCN",
                             "tim::vx::DataLayout::CWHN"]
                }
            ]
    }
}