code: def parse_args():
      parser = ArgsParser()
      parser.add_argument(
          "--video_file",
          type=str,
          default=None,
          help="Video name for tracking.",
      )
      parser.add_argument(
          "--frame_rate",
          type=int,
          default=-1,
          help="Video frame rate for tracking.",
      )
      parser.add_argument(
          "--image_dir",
          type=str,
          default=None,
          help="Directory for images to perform inference on.",
      )
      parser.add_argument(
          "--det_results_dir",
          type=str,
          default="",
          help="Directory name for detection results.",
      )
      parser.add_argument(
          "--output_dir",
          type=str,
          default="output",
          help="Directory name for output tracking results.",
      )
      parser.add_argument(
          "--save_images",
          action="store_true",
          help="Save tracking results (image).",
      )
      parser.add_argument(
          "--save_videos",
          action="store_true",
          help="Save tracking results (video).",
      )
      parser.add_argument(
          "--show_image",
          action="store_true",
          help="Show tracking results (image).",
      )
      parser.add_argument(
          "--scaled",
          type=bool,
          default=False,
          help="Whether coords after detector outputs are scaled, False in JDE YOLOv3 "
          "True in general detector.",
      )
      parser.add_argument(
          "--draw_threshold",
          type=float,
          default=0.5,
          help="Threshold to reserve the result for visualization.",
      )
      args = parser.parse_args()
      return args
  
file_path: PaddleDetection/tools/infer_mot.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import sys
  import warnings
  import paddle
  from ppdet.core.workspace import load_config, merge_config
  from ppdet.engine import Tracker
  from ppdet.utils.check import check_gpu, check_npu, check_xpu, check_mlu, check_version, check_config
  from ppdet.utils.cli import ArgsParser
label_desc: Use image node_id 1 for calling a global function with example usage: parse_args() and returns: args