文中提出了一种基于动态峰值的大容量可逆图像水印算法。该算法利用分块图像直方图的分布特点来确定新峰值,并通过修改相应的像素灰度值实现了在空间域中隐藏信息。该算法还可以利用嵌入点的信息无损地恢复原始图像。-In this paper, a new reversible data hiding scheme based on the dynamic peak is proposed. This algorithm utilizes a new peak between peak and zero in the histogram of the block and hides data by modifying the values of pixels. As a result,a profusion of data is embedded in the image. And this algorithm also recovers the image by hiding information.