class_docstr: Params for coco evaluation api
class_docstr_tok: ["Params","for","coco","evaluation","api"]
code: def __init__(self, iouType="segm"):
      if iouType == "segm" or iouType == "bbox":
          self.setDetParams()
      elif iouType == "keypoints":
          self.setKpParams()
      else:
          raise Exception("iouType not supported")
      self.iouType = iouType
      # useSegm is deprecated
      self.useSegm = None
  
imports: import numpy
  import datetime
  import time
  from collections import defaultdict
  from .None import mask
  import copy
label_desc: Use image node_id 3 to create a new Params object  with example: obj = Params(iouType)