class_docstr: Removes linear trend from the data
class_docstr_tok: ["Removes","linear","trend","from","the","data"]
code: def processData(self, data):
      try:
          from scipy.signal import detrend
      except ImportError:
          raise Exception(
              "DetrendFilter node requires the package scipy.signal."
          )
      return detrend(data)
  
imports: import numpy
  from ...None import Point, PolyLineROI
  from ...None import functions
  from ...None import metaarray
  from .None import functions
  from .common import CtrlNode, PlottingCtrlNode, metaArrayWrapper
label_desc: Use image node_id 1 for calling the Detrend obj's underlying member method code with example usage: obj.processData(data) and returns: detrend