{
  // vehicle color type sid recognization
  "detector" : {
    "class_name" : "cnstream::Inferencer",
    "parallelism" : 1,
    "max_input_queue_size" : 20,
    "next_modules" : ["vehicle_cts"],
    "custom_params" : {
      "model_path" : "../../../data/models/resnet34_ssd_b16c16_mlu270.cambricon",
      "func_name" : "subnet0",
      "postproc_name" : "PostprocSsd",
      "threshold" : 0.5,
      "model_input_pixel_format" : "BGRA32",
      "device_id" : 0
    }
  },

  "vehicle_cts" : {
    "class_name" : "cnstream::Inferencer",
    "parallelism" : 1,
    "max_input_queue_size" : 20,
    "next_modules" : ["osd"],
    "custom_params" : {
      "model_path" : "../../../data/models/vehicle_cts_b4c4_bgra_mlu270.cambricon",
      "func_name" : "subnet0",
      "object_infer" : true,  // input with detection objects
      "obj_filter_name" : "CarFilter",  // filter objects expect vehicles
      "postproc_name" : "PostprocVehicleCts",
      "model_input_pixel_format" : "BGRA32",
      "device_id" : 0
    }
  },

  "osd" : {
    "class_name" : "cnstream::Osd",
    "parallelism" : 1,
    "max_input_queue_size" : 20,
    "custom_params" : {
      "label_path" : "../../../data/models/label_voc.txt",
      "attr_keys" : "COLOR, TYPE, TOWARDS"
    }
  }
}