code: def offset_slice(pixels1, pixels2, i, j):
      """Return two sliced arrays where the first slice is offset by i,j
      relative to the second slice.
  
      """
      if i < 0:
          height = min(pixels1.shape[0] + i, pixels2.shape[0])
          p1_imin = -i
          p2_imin = 0
      else:
          height = min(pixels1.shape[0], pixels2.shape[0] - i)
          p1_imin = 0
          p2_imin = i
      p1_imax = p1_imin + height
      p2_imax = p2_imin + height
      if j < 0:
          width = min(pixels1.shape[1] + j, pixels2.shape[1])
          p1_jmin = -j
          p2_jmin = 0
      else:
          width = min(pixels1.shape[1], pixels2.shape[1] - j)
          p1_jmin = 0
          p2_jmin = j
      p1_jmax = p1_jmin + width
      p2_jmax = p2_jmin + width
  
      p1 = pixels1[p1_imin:p1_imax, p1_jmin:p1_jmax]
      p2 = pixels2[p2_imin:p2_imax, p2_jmin:p2_jmax]
      return p1, p2
  
imports: import numpy
  import scipy.ndimage
  import scipy.sparse
  from centrosome.filter import stretch
  from scipy.fftpack import fft2, ifft2
  from ..constants.measurement import COLTYPE_INTEGER
  from ..image import Image
  from ..module import Module
  from ..setting import Divider, SettingsGroup
  from ..setting.choice import Choice
  from ..setting.do_something import DoSomething, RemoveSettingButton
  from ..setting.subscriber import ImageSubscriber
  from ..setting.text import ImageName
label_desc: Use image node_id 1 for calling a global function with example usage: offset_slice(pixels1, pixels2, i, j) and returns: p1,  p2