Based on the similarity of watermark system and communication transform system model,there is an image watermark ing method proposed here which adopted convolutional encoding technique.

• 文章利用水印系统与通信传输模型的相似性,在图像数字水印算法中引入卷积编码技术。水印在嵌入前经过卷积编码和交织处理,以提高其抗误码能力。