LSB（Least  Significant  Bit）算法是将秘密信息嵌入到载体图像像素值的最低有效位，也称最不显著位，改变这一位置对载体图像的品质影响最小。-LSB (further Significant Bit) algorithm is to embed the secret information carrier image pixel values of the Least Significant Bit, also known as the Least Significant Bit, change the position minimal impact on image quality。