import tensorflow as tf

                          cols[0] / width,
                          cols[3] / height,
                          cols[2] / width], axis=1)
        # add batch dimension (assume batch_size==1)
        #assert image.get_shape()[0] == 1
        boxes = tf.expand_dims(boxes, dim=0)
        image = tf.image.draw_bounding_boxes(image, boxes)   #  在image上画gt_truth

        return tf.summary.image('ground_truth', image)

