var model = tf.keras.models.load_model(@"model path");
        model.summary();

        var classify_model = keras.Sequential(new System.Collections.Generic.List<Tensorflow.Keras.ILayer>()
        {
            model,
            keras.layers.Flatten(),
            keras.layers.Dense(10),
        });
        classify_model.summary();

        classify_model.compile(tf.keras.optimizers.Adam(), tf.keras.losses.SparseCategoricalCrossentropy(), new string[] { "accuracy" });

        var x = np.random.uniform(0, 1, (8, 512, 512, 3));
        var y = np.ones((8));

        classify_model.fit(x, y, batch_size: 4);