On the other hand, we apply threshold modulation and information feedforward to multiscale error diffusion to reduce the possibility of the information losing in highlight region and decrease the false contouring of the output. 另一方面,将阈值调制技术和信息前馈方法应用于多级误差扩散中,解决了传统多级误差扩散技术存在的高亮度区域信息丢失和伪轮廓现象明显的问题。