Beispiel #1
0
def eval(model, x, y):
    y_pred = np.argmax(model.predict(x), axis=1)
    y_test = np.squeeze(y)
    bca = utils.bca(y_test, y_pred)
    acc = np.sum(y_pred == y_test).astype(np.float32) / len(y_pred)

    return acc, bca
Beispiel #2
0
                # print(v.shape)

                y_adv_pre = np.argmax(model.predict(adv_x), axis=1)
                adv_acc = np.sum(y_adv_pre == y_test) / len(y_adv_pre)
                print('raw acc: ', raw_acc)
                print('rand_acc: ', rand_acc)
                print('adv_acc: ', adv_acc)

                # print(y_adv_pre)
                # print(y_test)
                # exit()
                raw_accs.append(raw_acc)
                rand_accs.append(rand_acc)
                adv_accs.append(adv_acc)

                raw_bca = utils.bca(y_test, y_test_pre)
                rand_bca = utils.bca(y_test, y_rand_pre)
                adv_bca = utils.bca(y_test, y_adv_pre)

                raw_bcas.append(raw_bca)
                rand_bcas.append(rand_bca)
                adv_bcas.append(adv_bca)

                np.savez(os.path.join(checkpoint_path, 'adv_v.npz'), v=v)
                K.clear_session()
            print(raw_accs)
            print(rand_accs)
            print(adv_accs)
            print('\n')
            print(raw_bcas)
            print(rand_bcas)