class_docstr: Bit Squeezing.
  
  :param bit_depth: bit depth.
  :param vmin: min value.
  :param vmax: max value.
code: def __init__(self, bit_depth, vmin=0.0, vmax=1.0):
      super(BitSqueezing, self).__init__()
  
      self.bit_depth = bit_depth
      self.max_int = 2**self.bit_depth - 1
      self.vmin = vmin
      self.vmax = vmax
  
file_path: advertorch/advertorch/defenses/bitsqueezing.py
imports: from advertorch.functional import FloatToIntSqueezing
  from .base import Processor
label_desc: Use image node_id 1 to create a new BitSqueezing object from inherited base classes: Processor with example: obj = BitSqueezing(bit_depth, vmin, vmax)