def METHOD_NAME(tensors, prefix=None):
  """Adds an image summary for each of the given tensors.
  Args:
    tensors: A list of variable or op tensors.
    prefix: An optional prefix for the summary names.
  Returns:
    A list of scalar `Tensors` of type `string` whose contents are the
    serialized `Summary` protocol buffer.
  """
  summary_ops = []
  for tensor in tensors:
    summary_ops.append(add_image_summary(tensor, prefix=prefix))
  return summary_ops