class_docstr: Show learned filters for specific thetas in TensorBoard.
      
class_docstr_tok: ["Show","learned","filters","for","specific","thetas","in","TensorBoard","."]
code: def _setup_graph(self):
      self.pred = self.trainer.get_predictor(["theta"], ["pred_filter"])
  
imports: import argparse
  import multiprocessing
  import numpy
  import cv2
  import tensorflow
  from scipy.signal import convolve2d
  from tensorpack import *
  from tensorpack.dataflow import dataset
  from tensorpack.utils import logger
  from tensorpack.utils.gpu import change_gpu
  from tensorpack.utils.argtools import shape2d, shape4d
  from tensorpack.utils.viz import *
label_desc: Use image node_id 2 for calling the OnlineTensorboardExport obj's underlying member method code with example usage: obj._setup_graph() without return types