Example #1
0
    def config(self, **kwargs):
        ''' (Re)config the attack.

        :param magnitude: Max distortion, could be either a float number or a numpy float number array with shape of
            (batch_size,).
        :param alpha: Step size for each iteration, could be either a float number or a numpy float number array with
            shape of (batch_size,).
        :param iteration: Iteration count. An integer.
        '''
        if 'magnitude' in kwargs:
            eps = maybe_to_array(kwargs['magnitude'], self.batch_size)
            self._session.run(self.config_eps_step, feed_dict={self.eps_ph: eps})
        if 'alpha' in kwargs:
            alpha = maybe_to_array(kwargs['alpha'], self.batch_size)
            self._session.run(self.config_alpha_step, feed_dict={self.alpha_ph: alpha})
        if 'iteration' in kwargs:
            self.iteration = kwargs['iteration']
Example #2
0
    def config(self, **kwargs):
        ''' (Re)config the attack.

        :param magnitude: Max distortion, could be either a float number or a numpy float number array with shape of
            `(self.batch_size,)`.
        '''
        if 'magnitude' in kwargs:
            eps = maybe_to_array(kwargs['magnitude'], self.batch_size)
            self._session.run(self.config_eps_step,
                              feed_dict={self.eps_ph: eps})
Example #3
0
    def config(self, **kwargs):
        ''' (Re)config the attack.

        :param magnitude: Max distortion, could be either a float number or a numpy float number array with shape of
            ``(self.batch_size,)``.
        :param alpha: Step size for each iteration, could be either a float number or a numpy float number array with
            shape of ``(self.batch_size,)``.
        :param decay_factor: A float number, the decay factor for momentum.
        :param iteration: An integer, the iteration count.
        '''
        if 'magnitude' in kwargs:
            eps = maybe_to_array(kwargs['magnitude'], self.batch_size)
            self._session.run(self.config_eps_step, feed_dict={self.eps_ph: eps})
        if 'alpha' in kwargs:
            alpha = maybe_to_array(kwargs['alpha'], self.batch_size)
            self._session.run(self.config_alpha_step, feed_dict={self.alpha_ph: alpha})
        if 'decay_factor' in kwargs:
            decay_factor = kwargs['decay_factor']
            self._session.run(self.config_decay_factor_step, feed_dict={self.decay_factor_ph: decay_factor})
        if 'iteration' in kwargs:
            self.iteration = kwargs['iteration']
Example #4
0
    def config(self, **kwargs):
        ''' (Re)config the attack.

        :param rand_init_magnitude: Random init max distortion, could be either a float number or a numpy float number
            array with shape of `(self.batch_size,)`.
        :param magnitude: Max distortion, could be either a float number or a numpy float number array with shape of
            `(self.batch_size,)`.
        :param alpha: Step size for each iteration, could be either a float number or a numpy float number array with
            shape of `(self.batch_size,)`.
        :param iteration: Iteration count. An integer.
        '''
        super().config(**kwargs)
        if 'rand_init_magnitude' in kwargs:
            rand_init_eps = maybe_to_array(kwargs['rand_init_magnitude'],
                                           self.batch_size)
            self._session.run(self.config_rand_init_eps,
                              feed_dict={self.rand_init_eps_ph: rand_init_eps})
Example #5
0
    def config(self, **kwargs):
        ''' (Re)config the attack.

        :param cs: Initial c, could be either a float number or a numpy float number array with shape of
            `(self.batch_size,)`.
        :param iteration: An integer, represent iteration count for each search step and binary search step.
        :param search_steps: An integer, the number of times for running initial search for c before binary search.
        :param binsearch_steps: An integer, the number of times for running binary search on c.
        :param logger: A standard logger for logging verbose information during attacking.
        '''
        if 'cs' in kwargs:
            self.cs = maybe_to_array(kwargs['cs'],
                                     target_len=self.batch_size).astype(
                                         self.model.x_dtype.as_numpy_dtype)
        if 'iteration' in kwargs:
            self.iteration = kwargs['iteration']
        if 'search_steps' in kwargs:
            self.search_steps = kwargs['search_steps']
        if 'binsearch_steps' in kwargs:
            self.binsearch_steps = kwargs['binsearch_steps']

        if 'logger' in kwargs:
            self.logger = kwargs['logger']