import tensorflow as tf

        param_noise_filter_func = default_param_noise_filter

    update_param_noise_threshold_ph = tf.placeholder(tf.float32, (), name="update_param_noise_threshold")
    update_param_noise_scale_ph = tf.placeholder(tf.bool, (), name="update_param_noise_scale")
    reset_ph = tf.placeholder(tf.bool, (), name="reset")

    eps = tf.get_variable("eps", (), initializer=tf.constant_initializer(0))
    param_noise_scale = tf.get_variable("param_noise_scale", (), initializer=tf.constant_initializer(0.01),
